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T491A225K025AT [KEMET]

Tantalum Capacitor, Polarized, Tantalum (dry/solid), 25V, 10% +Tol, 10% -Tol, 2.2uF, Surface Mount, 1206, CHIP;
T491A225K025AT
型号： T491A225K025AT
厂家： KEMET CORPORATION    KEMET CORPORATION
描述：

Tantalum Capacitor, Polarized, Tantalum (dry/solid), 25V, 10% +Tol, 10% -Tol, 2.2uF, Surface Mount, 1206, CHIP

电容器
文件： 总23页 (文件大小：1438K)
中文：  中文翻译
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Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Overview  
TheꢀKEMETꢀT491,ꢀdesignedꢀspecificallyꢀforꢀtoday’sꢀhighlyꢀ  
automated surface mount processes and equipment, is  
the leading choice for surface mount designs. The T491  
combinesꢀKEMET’sꢀprovenꢀsolidꢀtantalumꢀtechnology,ꢀ  
acclaimed and respected throughout the world, with the  
latest in materials, processes and automation, resulting  
in unsurpassed total performance and value. This product  
meets or exceeds the requirements of EIA standard  
535BAAC.ꢀTheꢀT491ꢀisꢀclassifiedꢀasꢀMSLꢀ(Moistureꢀ  
SensitivityꢀLevel)ꢀ1ꢀunderꢀJ-STD-020:ꢀunlimitedꢀfloorꢀlifeꢀ  
timeꢀatꢀ≤ꢀ30°C/85%ꢀRH.ꢀTheꢀT491ꢀstandardꢀterminationsꢀareꢀ  
available in 100% matte tin and provide excellent wetting  
characteristics and compatibility with today's surface mount  
solder systems. Tin/lead (Sn/Pb) terminations are available  
upon request for any part number. Gold-plated terminations  
are also available for use with conductive epoxy attachment  
processes. Standard packaging of these devices is tape-  
and-reel in accordance with EIA-481. This system provides  
perfect compatibility with all tape-fed placement units.  
Benefits  
• Meets or exceeds EIA Standard 535BAAC  
• Taped and reeled per EIA-481  
• Symmetrical, compliant terminations  
• Optional gold-plated terminations  
• Laser-marked case  
• 100% surge current test on C, D, E, U, V, and X sizes  
• Halogen free epoxy  
• Capacitance 0.1 to 1,000 µF  
• Tolerance ±10%, ±20%  
• Voltage 2.5 – 50 VDC  
• Extended range values  
•ꢀ Lowꢀprofileꢀcaseꢀsizes  
• RoHS Compliant and lead-free terminations  
(See www.kemet.com for transition information)  
•ꢀ Operatingꢀtemperatureꢀrangeꢀofꢀ−55°Cꢀtoꢀ+125°C  
Click image above for interactive 3D content  
Open PDF in Adobe Reader for full functionality  
Applications  
Typicalꢀapplicationsꢀincludeꢀdecouplingꢀandꢀfilteringꢀinꢀindustrialꢀandꢀautomotiveꢀendꢀapplications,ꢀsuchꢀasꢀDC/DCꢀ  
converters, portable electronics, telecommunications, and control units.  
Environmental Compliance  
RoHS Compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn solder,  
Gold-plated or Non-magnetic 100% Sn solder.  
One world. One KEMET  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
1
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
K-SIM  
Forꢀaꢀdetailedꢀanalysisꢀofꢀspecificꢀpartꢀnumbers,ꢀpleaseꢀvisitꢀksim.kemet.comꢀtoꢀaccessꢀKEMET’sꢀK-SIMꢀsoftware.ꢀKEMETꢀ  
K-SIM is designed to simulate behavior of components with respect to frequency, ambient temperature, and DC bias levels.  
Ordering Information  
T
491  
X
157  
K
020  
A
T
Rated  
Voltage  
(VDC)  
Capacitor  
Class  
Case  
Size  
Capacitance  
Code (pF)  
Capacitance  
Tolerance  
Failure Rate/  
Design  
Packaging  
(C-Spec)  
Series  
Termination Finish  
T =  
Tantalum  
Industrial  
A, B, First two digits  
K = ±10%  
M = ±20%  
2R5 = 2.5  
003 = 3  
004 = 4  
006 = 6.3  
010 = 10  
016 = 16  
020 = 20  
025 = 25  
035 = 35  
050 = 50  
A =  
N/A  
T = 100% Matte Tin (Sn) plated  
H = Standard solder coated  
(SnPb 5% Pb minimum)  
G = Gold-plated  
(A, B, C, D, X only)  
N = Non-magnetic 100% Tin (Sn)  
M = Non-magnetic (SnPb)  
Blank = 7" Reel  
7280 = 13" Reel  
C, D,  
E, M,  
S, T,  
U, V,  
W, X  
represent  
significantꢀ  
figures.ꢀThirdꢀ  
digitꢀspecifiesꢀ  
number of  
zeros.  
Performance Characteristics  
Item  
Performance Characteristics  
Operating Temperature  
Rated Capacitance Range  
Capacitance Tolerance  
Rated Voltage Range  
DF (120 Hz)  
−55°Cꢀtoꢀ125°C  
0.1ꢀ–ꢀ1,000ꢀµFꢀatꢀ120ꢀHz/25°C  
K Tolerance (10%), M Tolerance (20%)  
2.5 – 50 V  
ReferꢀtoꢀPartꢀNumberꢀElectricalꢀSpecificationꢀTableꢀ  
ReferꢀtoꢀPartꢀNumberꢀElectricalꢀSpecificationꢀTableꢀ  
≤ꢀ0.01ꢀCVꢀ(µA)ꢀatꢀratedꢀvoltageꢀafterꢀ5ꢀminutes  
ESR (100 kHz)  
Leakage Current  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
2
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Qualification  
Test  
Condition  
Characteristics  
Within ±10% of initial value  
Within initial limits  
ΔꢀC/C  
DF  
85°Cꢀatꢀratedꢀvoltage,ꢀ2,000ꢀhours  
125°Cꢀatꢀ2/3ꢀratedꢀvoltage,ꢀ2,000ꢀhours  
Endurance  
DCL  
ESR  
ΔꢀC/C  
DF  
Within 1.25 x initial limit  
Within initial limits  
Within ±10% of initial value  
Within initial limits  
Storage Life  
Thermal Shock  
125°Cꢀatꢀ0ꢀvolts,ꢀ2,000ꢀhours  
DCL  
ESR  
ΔꢀC/C  
DF  
Within 1.25 x initial limit  
Within initial limits  
Within ±5% of initial value  
Within initial limits  
MIL-STD-202,ꢀMethodꢀ107,ꢀConditionꢀB,ꢀmounted,ꢀ−55°Cꢀ  
toꢀ125°C,ꢀ1,000ꢀcycles  
DCL  
ESR  
+25°C  
IL*  
Within 1.25 x initial limit  
Within initial limits  
−55°C  
±10%  
IL  
+85°C  
±10%  
+125°C  
±20%  
Extreme temperature exposure at a  
succession of continuous steps at  
−55°C,ꢀ+25°C,ꢀ+85°C,ꢀ+125°C.  
ΔꢀC/C  
Temperature Stability  
Surge Voltage  
DF  
IL  
1.5 x IL  
10 x IL  
1.5 x IL  
12 x IL  
DCL  
IL  
N/A  
ΔꢀC/C  
DF  
Within ±5% of initial value  
Within initial limits  
85°C,ꢀ1.32ꢀxꢀratedꢀvoltageꢀ1,000ꢀcyclesꢀ  
(125°C,ꢀ1.2ꢀxꢀratedꢀvoltage).  
DCL  
ESR  
ΔꢀC/C  
DF  
Within initial limits  
Within initial limits  
Within ±10% of initial value  
Within initial limits  
MIL-STD-202, Method 213, Condition I, 100 G peak  
MIL-STD-202, Method 204, Condition D, 10 Hz to  
2,000 Hz, 20 G peak  
Mechanical Shock/  
Vibration  
DCL  
Within initial limits  
*IL = Initial limit  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
3
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Electrical Characteristics  
Capacitance vs. Frequency  
ESR vs. Frequency  
100  
1,000  
100  
10  
T491C336M025AT_IMP  
T491D476M025AT_IMP  
T491C336M025AT  
T491D476M025AT  
T491X107M025AT  
T491X107M025AT_IMP  
10  
T491C336M025AT_ESR  
T491D476M025AT_ESR  
T491X107M025AT_ESR  
1
0.1  
0.01  
1
100  
1,000  
10,000  
100,000  
1,000,000  
10,000,000  
100  
1,000  
10,000  
100,000  
1,000,000  
10,000,000  
Frequency (Hz)  
Frequency (Hz)  
Dimensions – Millimeters (Inches)  
Metric will govern  
CATHODE (-) END VIEW  
W
SIDE VIEW  
ANODE (+) END VIEW  
BOTTOM VIEW  
A
B
B
H
E
F
P
Termination cutout  
at KEMET's option,  
either end  
X
T
S
G
S
R
L
Case Size  
Component  
F ±0.1  
B ±0.15  
(Ref)±0.006  
X
(Ref)  
P
R
T
A
G
E
KEMET EIA  
L
W
H
S
±(0.004)  
(Ref) (Ref) (Ref) (Min) (Ref) (Ref)  
0.4  
3.2 ±0.2  
1.6 ±0.2  
1.6 ±0.2  
1.2  
0.80(0.032)  
0.4  
(0.016)  
0.10 ±0.10  
0.4  
0.13  
1.2  
1.1  
1.3  
3216–18  
A
(0.126 ±0.008) (0.063 ±0.008) (0.063 ±0.008) (0.047) +0.2(0.008)/−0.3(0.011)  
(0.004 ±0.004) (0.016) (0.016) (0.005) (0.047) (0.043) (0.051)  
3.5 ±0.2  
2.8 ±0.2  
1.9 ±0.2  
2.2  
0.80(0.032)  
0.4  
(0.016)  
0.10 ±0.10  
0.5  
1.0  
0.13  
1.9  
1.8  
2.2  
3528–21  
B
(0.138 ±0.008) (0.110 ±0.008) (0.075 ±0.008) (0.087) +0.1(0.004)/−0.3(0.011)  
(0.004 ±0.004) (0.020) (0.039) (0.005) (0.075) (0.071) (0.087)  
6.0 ±0.3  
3.2 ±0.3  
2.5 ±0.3  
2.2  
1.30 (0.051)  
±0.3 (0.011)  
0.5  
0.10 ±0.10 0.9 1.0 0.13 2.9 2.8 2.4  
6032–28  
C
(0.236 ±0.012) (0.126 ±0.012) (0.098 ±0.012) (0.087)  
(0.020)  
(0.004 ±0.004) (0.035) (0.039) (0.005) (0.114) (0.110) (0.094)  
0.10 ±0.10 0.9 1.0 0.13 3.6 3.5 3.5  
7.3 ±0.3 4.3 ±0.3 2.8 ±0.3 2.4  
1.30 (0.051)  
±0.3 (0.011)  
0.5  
(0.020)  
7343–31  
D
(0.287 ±0.012) (0.169 ±0.012) (0.110 ±0.012) (0.094)  
7.3 ±0.3 4.3 ±0.3 4.0 ±0.3 2.4  
(0.004 ±0.004) (0.035) (0.039) (0.005) (0.142) (0.138) (0.138)  
0.10 ±0.10 1.7 1.0 0.13 3.6 3.5 3.5  
(0.004 ±0.004) (0.067) (0.039) (0.005) (0.142) (0.138) (0.138)  
1.30 (0.051)  
±0.3 (0.011)  
0.5  
(0.020)  
7343–43  
X
(0.287 ±0.012) (0.169 ±0.012) (0.157 ±0.012) (0.094)  
7.3 ±0.3 6.0 ±0.3 3.6 ±0.2 4.1  
1.30 (0.051)  
±0.3 (0.011)  
0.5  
(0.020)  
0.10 ±0.10  
0.13  
3.6  
3.5  
3.5  
7360–38  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
E
(0.287 ±0.012) (0.236 ±0.012) (0.142 ±0.008) (0.161)  
3.5 ±0.2 2.8 ±0.2 1.4 ±0.1 2.2  
(0.004 ±0.004)  
(0.005) (0.142) (0.138) (0.138)  
0.8  
(0.031)  
0.05  
(0.002)  
0.13 1.9 1.8 2.2  
3528–15  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
M
(0.138 ±0.008) (0.110 ±0.008) (0.055 ±0.004) (.087)  
(.005) (0.075) (.071) (.087)  
0.13 1.2 1.1 1.3  
3.2 ±0.2  
(0.126 ±0.008) (0.063 ±0.008)  
1.6 ±0.2  
1.2  
(0.047)  
1.2  
0.80(0.032)  
0.05  
(0.002)  
3216–12  
S
(0.047) +0.2(0.008)/−0.3(0.011)  
(0.005) (0.047) (0.043) (0.051)  
0.13 1.9 1.8 2.2  
3.5 ±0.2  
2.8 ±0.2  
1.2  
(0.047)  
2.2  
0.80(0.032)  
0.05  
(0.002)  
3528–12  
T
(0.138 ±0.008) (0.110 ±0.008)  
6.0 ±0.3 3.2 ±0.2  
(0.087) +0.1(0.004)/−0.3(0.011)  
(0.005) (0.075) (0.071) (0.087)  
0.13 2.9 2.8 2.4  
1.5  
(0.059)  
2.2  
(0.087)  
1.30 (0.051)  
±0.3 (0.011)  
0.05  
(0.002)  
6032–15  
U
(0.236 ±0.012) (0.110 ±0.008)  
7.3 ±0.3 4.3 ±0.3  
(0.005) (0.114) (0.110) (0.094)  
0.13 3.6 3.5 3.5  
2.0  
(0.079)  
2.4  
(0.094)  
1.30 (0.051)  
±0.3 (0.011)  
0.05  
(0.002)  
7343–20  
V
(0.287 ±0.012) (0.169 ±0.012)  
7.3 ±0.3 4.3 ±0.3  
(0.005) (0.142) (0.138) (0.138)  
0.13 3.6 3.5 3.5  
1.5  
(0.059)  
2.4  
(0.094)  
1.30 (0.051)  
±0.3 (0.011)  
0.05  
(0.002)  
7343–15  
W
(0.287 ±0.012) (0.169 ±0.012)  
(0.005) (0.142) (.0138) (0.138)  
Notes: (Ref) – Dimensions provided for reference only. For low profile cases, no dimensions are provided for B, P or R because these cases do not have a bevel or  
a notch.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
4
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
2.5  
2.5  
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
100  
220  
33  
3.3  
4.7  
6.8  
6.8  
10  
10  
10  
15  
15  
15  
15  
22  
22  
22  
22  
22  
33  
33  
33  
33  
33  
47  
47  
47  
47  
47  
68  
68  
68  
68  
68  
T/3528-12  
D/7343-31  
A/3216-18  
A/3216-18  
A/3216-18  
A/3216-18  
S/3216-12  
B/3528-21  
A/3216-18  
S/3216-12  
B/3528-21  
A/3216-18  
T/3528-12  
S/3216-12  
C/6032-28  
B/3528-21  
A/3216-18  
T/3528-12  
S/3216-12  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
T/3528-12  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
T/3528-12  
D/7343-31  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
D/7343-31  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
T/3528-12  
D/7343-31  
U/6032-15  
V/7343-20  
C/6032-28  
B/3528-21  
V/7343-20  
T491T107(1)2R5A(2)  
T491D227(1)2R5A(2)  
T491A336(1)003A(2)  
T491A335(1)004A(2)  
T491A475(1)004A(2)  
T491A685(1)004A(2)  
T491S685(1)004A(2)  
T491B106(1)004A(2)  
T491A106(1)004A(2)  
T491S106(1)004A(2)  
T491B156(1)004A(2)  
T491A156(1)004A(2)  
T491T156(1)004A(2)  
T491S156(1)004A(2)  
T491C226(1)004A(2)  
T491B226(1)004A(2)  
T491A226(1)004A(2)  
T491T226(1)004A(2)  
T491S226(1)004A(2)  
T491C336(1)004A(2)  
T491U336(1)004A(2)  
T491B336(1)004A(2)  
T491A336(1)004A(2)  
T491T336(1)004A(2)  
T491C476(1)004A(2)  
T491U476(1)004A(2)  
T491B476(1)004A(2)  
T491A476(1)004A(2)  
T491T476(M)004A(2)  
T491D686(1)004A(2)  
T491C686(1)004A(2)  
T491U686(1)004A(2)  
T491B686(1)004A(2)  
T491A686(1)004A(2)  
T491D107(1)004A(2)  
T491C107(1)004A(2)  
T491U107(1)004A(2)  
T491B107(1)004A(2)  
T491A107(M)004A(2)  
T491T107(M)004A(2)  
T491D157(1)004A(2)  
T491U157(1)004AT  
T491V157(1)004A(2)  
T491C157(1)004A(2)  
T491B157(1)004A(2)  
T491V227(1)004A(2)  
2.5  
5.5  
1.0  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.6  
0.6  
0.6  
0.6  
0.9  
0.9  
0.9  
0.9  
0.9  
1.3  
1.3  
1.3  
1.3  
1.3  
1.9  
1.9  
1.9  
1.9  
1.9  
2.7  
2.7  
2.7  
2.7  
2.7  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
6.0  
6.0  
6.0  
6.0  
6.0  
8.8  
24.0  
8.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
10.0  
6.0  
6.0  
6.0  
6.0  
10.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
6.0  
10.0  
12.0  
6.0  
6.0  
6.0  
6.0  
30.0  
8.0  
8.0  
10.0  
8.0  
30.0  
30.0  
8.0  
8.0  
8.0  
8.0  
12.0  
8.0  
3.9  
0.3  
4.0  
8.0  
8.0  
6.0  
15.0  
3.5  
4.5  
15.0  
3.5  
4.0  
5.0  
15.0  
1.8  
3.0  
3.5  
5.0  
10.0  
1.8  
1.8  
2.5  
3.0  
5.0  
1.6  
1.8  
2.0  
2.5  
6.0  
0.8  
1.5  
1.8  
1.8  
4.0  
0.8  
1.2  
1.8  
0.9  
4.0  
5.0  
0.8  
1.3  
0.7  
1.2  
2.0  
0.7  
134  
707  
137  
97  
97  
112  
63  
156  
129  
63  
156  
137  
118  
63  
247  
168  
137  
118  
77  
247  
224  
184  
137  
118  
262  
224  
206  
173  
108  
433  
271  
224  
217  
137  
433  
303  
224  
307  
137  
118  
433  
263  
423  
303  
206  
423  
121  
636  
123  
87  
87  
101  
57  
54  
283  
55  
39  
39  
45  
25  
62  
52  
25  
62  
55  
47  
25  
99  
67  
55  
47  
31  
99  
90  
74  
55  
47  
105  
90  
82  
69  
43  
173  
108  
90  
87  
55  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
140  
116  
57  
140  
123  
106  
57  
222  
151  
123  
106  
69  
222  
202  
166  
123  
106  
236  
202  
185  
156  
97  
390  
244  
202  
195  
123  
390  
273  
202  
276  
123  
106  
390  
237  
381  
273  
185  
381  
100  
100  
100  
100  
100  
100  
150  
150  
150  
150  
150  
220  
173  
121  
90  
123  
55  
47  
173  
105  
169  
121  
82  
169  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
5
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference cont'd  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
4
4
4
4
4
4
4
4
4
4
4
4
4
4
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
220  
220  
220  
220  
330  
330  
330  
330  
470  
470  
680  
680  
1000  
1000  
2.2  
3.3  
4.7  
4.7  
6.8  
6.8  
6.8  
10  
10  
10  
10  
15  
15  
15  
15  
15  
22  
22  
22  
22  
22  
33  
33  
33  
B/3528-21  
C/6032-28  
D/7343-31  
W/7343-15  
D/7343-31  
V/7343-20  
C/6032-28  
X/7343-43  
X/7343-43  
D/7343-31  
X/7343-43  
D/7343-31  
X/7343-43  
E/7360-38  
A/3216-18  
A/3216-18  
A/3216-18  
S/3216-12  
B/3528-21  
A/3216-18  
S/3216-12  
B/3528-21  
A/3216-18  
T/3528-12  
S/3216-12  
C/6032-28  
B/3528-21  
A/3216-18  
T/3528-12  
S/3216-12  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
T/3528-12  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
T/3528-12  
D/7343-31  
C/6032-28  
U/6032-15  
V/7343-20  
B/3528-21  
A/3216-18  
T491B227(1)004A(2)  
T491C227(1)004AT  
T491D227(1)004AT  
T491W227(1)004AT  
T491D337(1)004A(2)  
T491V337(1)004A(2)  
T491C337(1)004A(2)  
T491X337(1)004AT  
T491X477(1)004A(2)  
T491D477(1)004A(2)  
T491X687(1)004A(2)  
T491D687(1)004A(2)  
T491X108(1)004A(2)  
T491E108(M)004A(2)  
T491A225(1)006A(2)  
T491A335(1)006A(2)  
T491A475(1)006A(2)  
T491S475(1)006A(2)  
T491B685(1)006A(2)  
T491A685(1)006A(2)  
T491S685(1)006A(2)  
T491B106(1)006A(2)  
T491A106(1)006A(2)  
T491T106(1)006A(2)  
T491S106(1)006A(2)  
T491C156(1)006A(2)  
T491B156(1)006A(2)  
T491A156(1)006A(2)  
T491T156(1)006A(2)  
T491S156(1)006A(2)  
T491C226(1)006A(2)  
T491U226(1)006A(2)  
T491B226(1)006A(2)  
T491A226(1)006A(2)  
T491T226(1)006A(2)  
T491C336(1)006A(2)  
T491U336(1)006A(2)  
T491B336(1)006A(2)  
T491A336(1)006A(2)  
T491T336(1)006A(2)  
T491D476(1)006A(2)  
T491C476(1)006A(2)  
T491U476(1)006A(2)  
T491V476(1)006AT  
T491B476(1)006A(2)  
T491A476(1)006A(2)  
8.8  
8.8  
8.8  
8.8  
13.2  
13.2  
13.2  
13.2  
18.8  
18.8  
27.2  
27.2  
40.0  
40.0  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.6  
0.6  
0.6  
0.6  
0.9  
0.9  
0.9  
0.9  
0.9  
1.4  
1.4  
1.4  
1.4  
1.4  
2.1  
2.1  
2.1  
2.1  
2.1  
18.0  
15.0  
8.0  
8.0  
8.0  
12.0  
10.0  
8.0  
8.0  
8.0  
12.0  
12.0  
12.0  
15.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
10.0  
6.0  
6.0  
6.0  
6.0  
15.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
0.5  
1.2  
0.8  
0.8  
0.7  
0.7  
0.9  
0.8  
0.5  
0.8  
0.5  
0.5  
0.5  
0.2  
8.0  
7.0  
5.5  
15.0  
3.5  
6.0  
15.0  
3.5  
4.0  
5.0  
15.0  
1.8  
3.0  
3.5  
3.5  
10.0  
1.8  
1.8  
2.0  
3.0  
5.0  
1.6  
1.8  
2.2  
2.5  
6.0  
0.8  
1.5  
1.8  
0.7  
2.0  
3.5  
412  
303  
433  
474  
463  
423  
350  
454  
574  
433  
574  
548  
574  
1000  
97  
97  
112  
63  
156  
112  
63  
156  
137  
118  
63  
371  
273  
390  
427  
417  
381  
315  
409  
517  
390  
517  
493  
517  
900  
87  
87  
101  
57  
140  
101  
57  
140  
123  
106  
57  
222  
151  
131  
127  
69  
222  
202  
185  
142  
106  
222  
202  
151  
156  
97  
165  
121  
173  
190  
185  
169  
140  
182  
230  
173  
230  
219  
230  
400  
39  
39  
45  
25  
62  
45  
25  
62  
55  
47  
25  
99  
67  
58  
56  
31  
99  
90  
82  
63  
47  
99  
90  
67  
69  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
247  
168  
146  
141  
77  
247  
224  
206  
158  
118  
247  
224  
168  
173  
108  
433  
262  
224  
423  
206  
146  
6.0  
33  
33  
47  
47  
47  
47  
47  
47  
12.0  
12.0  
6.0  
6.0  
6.0  
6.0  
6.0  
12.0  
43  
3.0  
3.0  
3.0  
3.0  
3.0  
3.0  
390  
236  
202  
381  
185  
131  
173  
105  
90  
169  
82  
58  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
6
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference cont'd  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
10  
47  
68  
68  
68  
68  
T/3528-12  
D/7343-31  
C/6032-28  
U/6032-15  
V/7343-20  
B/3528-21  
A/3216-18  
D/7343-31  
V/7343-20  
C/6032-28  
U/6032-15  
B/3528-21  
M/3528-15  
B/3528-21  
D/7343-31  
C/6032-28  
V/7343-20  
U/6032-15  
W/7343-15  
X/7343-43  
X/7343-43  
D/7343-31  
C/6032-28  
V/7343-20  
W/7343-15  
C/6032-28  
V/7343-20  
X/7343-43  
D/7343-31  
E/7360-38  
X/7343-43  
D/7343-31  
V/7343-20  
E/7360-38  
X/7343-43  
E/7360-38  
X/7343-43  
A/3216-18  
A/3216-18  
B/3528-21  
A/3216-18  
A/3216-18  
S/3216-12  
B/3528-21  
A/3216-18  
S/3216-12  
T491T476(1)006A(2)  
T491D686(1)006A(2)  
T491C686(1)006A(2)  
T491U686(1)006A(2)  
T491V686(1)006AT  
T491B686(1)006A(2)  
T491A686(1)006A(2)  
T491D107(1)006A(2)  
T491V107(1)006A(2)  
T491C107(1)006A(2)  
T491U107(1)006A(2)  
T491B107(1)006A(2)  
T491M107(1)006A(2)  
T491B157(1)006A(2)  
T491D157(1)006A(2)  
T491C157(1)006A(2)  
T491V157(1)006A(2)  
T491U157(1)006AT  
T491W157(1)006AT  
T491X157(1)006A(2)  
T491X227(1)006A(2)  
T491D227(1)006A(2)  
T491C227(1)006A(2)  
T491V227(1)006A(2)  
T491W227(1)006AT  
T491C337(1)006A(2)  
T491V337(1)006AT  
T491X337(1)006A(2)  
T491D337(1)006A(2)  
T491E337(1)006A(2)  
T491X477(1)006A(2)  
T491D477(1)006A(2)  
T491V477(1)006A(2)  
T491E477(1)006A(2)  
T491X687(1)006A(2)  
T491E687(M)006A(2)  
T491X108(1)006AT  
T491A105(1)010A(2)  
T491A155(1)010A(2)  
T491B225(1)010A(2)  
T491A225(1)010A(2)  
T491A335(1)010A(2)  
T491S335(1)010A(2)  
T491B475(1)010A(2)  
T491A475(1)010A(2)  
T491S475(1)010A(2)  
3.0  
4.3  
4.3  
4.3  
4.3  
4.3  
4.3  
6.3  
6.3  
6.3  
6.3  
6.3  
6.3  
9.5  
9.5  
9.5  
9.5  
10.0  
6.0  
6.0  
10.0  
6.0  
8.0  
30.0  
8.0  
8.0  
2.0  
0.8  
1.2  
1.8  
0.7  
0.9  
4.0  
0.8  
0.7  
0.9  
1.8  
2.0  
3.0  
3.0  
0.7  
1.2  
0.7  
0.6  
0.8  
0.7  
0.7  
0.7  
1.0  
0.7  
0.8  
1.2  
0.7  
0.4  
0.4  
0.5  
0.4  
0.4  
0.7  
0.4  
0.6  
0.5  
0.6  
10.0  
8.0  
3.5  
7.0  
5.5  
15.0  
3.5  
4.0  
15.0  
187  
433  
303  
224  
423  
307  
137  
433  
423  
350  
224  
206  
200  
168  
463  
303  
423  
387  
474  
486  
486  
463  
332  
423  
474  
303  
423  
642  
612  
632  
642  
612  
423  
707  
524  
632  
524  
87  
168  
390  
273  
202  
381  
276  
123  
390  
381  
315  
202  
185  
180  
151  
417  
273  
381  
348  
427  
437  
437  
417  
299  
381  
427  
273  
381  
578  
551  
569  
578  
551  
381  
636  
472  
569  
472  
78  
75  
173  
121  
90  
169  
123  
55  
173  
169  
140  
90  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
68  
68  
100  
100  
100  
100  
100  
100  
150  
150  
150  
150  
150  
150  
150  
220  
220  
220  
220  
220  
330  
330  
330  
330  
330  
470  
470  
470  
470  
680  
680  
1000  
1
8.0  
10.0  
12.0  
20.0  
15.0  
8.0  
8.0  
8.0  
8.0  
8.0  
8.0  
8.0  
8.0  
10.0  
8.0  
8.0  
12.0  
8.0  
8.0  
8.0  
82  
80  
67  
185  
121  
169  
155  
190  
194  
194  
185  
133  
169  
190  
121  
169  
257  
245  
253  
257  
245  
169  
283  
210  
253  
210  
35  
9.5  
9.5  
9.5  
13.9  
13.9  
13.9  
13.9  
13.9  
20.8  
20.8  
20.8  
20.8  
20.8  
29.6  
29.6  
29.6  
29.6  
42.8  
42.8  
63.0  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
8.0  
8.0  
12.0  
15.0  
10.0  
15.0  
12.0  
15.0  
4.0  
6.0  
6.0  
6.0  
6.0  
10  
10  
10  
10  
10  
10  
10  
10  
1.5  
97  
156  
97  
117  
63  
156  
137  
63  
87  
140  
87  
105  
57  
140  
123  
57  
39  
62  
39  
47  
25  
62  
55  
25  
2.2  
2.2  
3.3  
3.3  
4.7  
6.0  
6.0  
6.0  
6.0  
4.7  
4.7  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
7
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference cont'd  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
6.8  
6.8  
6.8  
6.8  
10  
10  
10  
10  
10  
15  
15  
15  
15  
B/3528-21  
A/3216-18  
T/3528-12  
S/3216-12  
C/6032-28  
B/3528-21  
A/3216-18  
T/3528-12  
S/3216-12  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
T/3528-12  
D/7343-31  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
T/3528-12  
D/7343-31  
V/7343-20  
C/6032-28  
U/6032-15  
B/3528-21  
T/3528-12  
A/3216-18  
D/7343-31  
V/7343-20  
C/6032-28  
U/6032-15  
B/3528-21  
D/7343-31  
V/7343-20  
C/6032-28  
W/7343-15  
U/6032-15  
B/3528-21  
B/3528-21  
D/7343-31  
U/6032-15  
W/7343-15  
C/6032-28  
V/7343-20  
X/7343-43  
D/7343-31  
T491B685(1)010A(2)  
T491A685(1)010A(2)  
T491T685(1)010A(2)  
T491S685(1)010A(2)  
T491C106(1)010A(2)  
T491B106(1)010A(2)  
T491A106(1)010A(2)  
T491T106(1)010A(2)  
T491S106(1)010A(2)  
T491C156(1)010A(2)  
T491U156(1)010A(2)  
T491B156(1)010A(2)  
T491A156(1)010A(2)  
T491T156(1)010A(2)  
T491D226(1)010A(2)  
T491C226(1)010A(2)  
T491U226(1)010A(2)  
T491B226(1)010A(2)  
T491A226(1)010A(2)  
T491T226(1)010A(2)  
T491D336(1)010A(2)  
T491V336(1)010A(2)  
T491C336(1)010A(2)  
T491U336(1)010A(2)  
T491B336(1)010A(2)  
T491T336(1)010A(2)  
T491A336(1)010A(2)  
T491D476(1)010A(2)  
T491V476(1)010A(2)  
T491C476(1)010A(2)  
T491U476(1)010A(2)  
T491B476(1)010A(2)  
T491D686(1)010A(2)  
T491V686(1)010A(2)  
T491C686(1)010A(2)  
T491W686(1)010AT  
T491U686(1)010A(2)  
T491B686(1)010A(2)  
T491B107(1)010A(2)  
T491D107(1)010A(2)  
T491U107(1)010AT  
T491W107(1)010AT  
T491C107(1)010A(2)  
T491V107(1)010A(2)  
T491X157(1)010A(2)  
T491D157(1)010A(2)  
0.7  
0.7  
0.7  
0.7  
1.0  
1.0  
1.0  
1.0  
1.0  
1.5  
1.5  
1.5  
1.5  
1.5  
2.2  
2.2  
2.2  
2.2  
2.2  
2.2  
3.3  
3.3  
3.3  
3.3  
3.3  
3.3  
3.3  
4.7  
4.7  
4.7  
4.7  
4.7  
6.8  
6.8  
6.8  
6.8  
6.8  
6.8  
10.0  
10.0  
10.0  
10.0  
10.0  
10.0  
15.0  
15.0  
6.0  
6.0  
6.0  
10.0  
6.0  
6.0  
6.0  
6.0  
10.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
6.0  
6.0  
6.0  
8.0  
12.0  
6.0  
6.0  
6.0  
6.0  
6.0  
24.0  
15.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
6.0  
6.0  
10.0  
8.0  
15.0  
8.0  
8.0  
8.0  
8.0  
8.0  
8.0  
8.0  
3.5  
4.0  
5.0  
15.0  
1.8  
3.0  
3.8  
3.0  
15.0  
1.8  
1.8  
2.0  
6.0  
2.8  
0.8  
1.6  
1.8  
2.0  
3.2  
8.0  
0.8  
0.7  
1.5  
1.8  
1.8  
5.0  
6.0  
0.8  
0.7  
1.2  
1.4  
1.0  
0.8  
0.7  
1.0  
1.2  
1.8  
1.0  
1.2  
0.7  
0.7  
0.8  
1.0  
0.7  
0.7  
0.7  
156  
137  
118  
63  
247  
156  
137  
153  
63  
140  
123  
106  
57  
222  
140  
123  
138  
57  
62  
55  
47  
25  
99  
62  
55  
61  
25  
99  
90  
82  
45  
63  
173  
99  
90  
82  
45  
38  
173  
169  
108  
90  
87  
47  
45  
173  
169  
121  
102  
117  
173  
169  
133  
155  
90  
117  
106  
185  
144  
190  
133  
169  
194  
185  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
247  
224  
206  
112  
158  
433  
247  
224  
206  
112  
94  
433  
423  
271  
224  
217  
118  
112  
433  
423  
303  
254  
292  
433  
423  
332  
387  
224  
292  
266  
463  
359  
474  
332  
423  
486  
463  
222  
202  
185  
101  
142  
390  
222  
202  
185  
101  
85  
390  
381  
244  
202  
195  
106  
101  
390  
381  
273  
229  
263  
390  
381  
299  
348  
202  
263  
239  
417  
323  
427  
299  
381  
437  
417  
15  
22  
22  
22  
22  
22  
22  
33  
33  
33  
33  
33  
33  
33  
47  
47  
47  
47  
47  
68  
68  
68  
68  
68  
68  
100  
100  
100  
100  
100  
100  
150  
150  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
8
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference cont'd  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
150  
150  
220  
220  
220  
220  
330  
330  
330  
330  
470  
470  
1
1.5  
2.2  
2.2  
2.2  
3.3  
3.3  
4.7  
4.7  
4.7  
4.7  
6.8  
6.8  
6.8  
10  
10  
10  
10  
10  
15  
15  
15  
15  
22  
22  
22  
22  
33  
33  
33  
33  
C/6032-28  
V/7343-20  
C/6032-28  
X/7343-43  
D/7343-31  
V/7343-20  
D/7343-31  
V/7343-20  
X/7343-43  
E/7360-38  
X/7343-43  
E/7360-38  
A/3216-18  
A/3216-18  
A/3216-18  
S/3216-12  
B/3528-21  
B/3528-21  
A/3216-18  
C/6032-28  
B/3528-21  
A/3216-18  
T/3528-12  
C/6032-28  
B/3528-21  
A/3216-18  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
T/3528-12  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
D/7343-31  
C/6032-28  
U/6032-15  
B/3528-21  
D/7343-31  
C/6032-28  
U/6032-15  
B/3528-21  
D/7343-31  
V/7343-20  
C/6032-28  
T491C157(1)010A(2)  
T491V157(1)010A(2)  
T491C227(1)010A(2)  
T491X227(1)010A(2)  
T491D227(1)010A(2)  
T491V227(1)010A(2)  
T491D337(1)010A(2)  
T491V337(1)010A(2)  
T491X337(1)010A(2)  
T491E337(1)010A(2)  
T491X477(1)010A(2)  
T491E477(1)010A(2)  
T491A105(1)016A(2)  
T491A155(1)016A(2)  
T491A225(1)016A(2)  
T491S225(1)016A(2)  
T491B225(1)016A(2)  
T491B335(1)016A(2)  
T491A335(1)016A(2)  
T491C475(1)016A(2)  
T491B475(1)016A(2)  
T491A475(1)016A(2)  
T491T475(1)016A(2)  
T491C685(1)016A(2)  
T491B685(1)016A(2)  
T491A685(1)016A(2)  
T491C106(1)016A(2)  
T491U106(1)016A(2)  
T491B106(1)016A(2)  
T491A106(1)016A(2)  
T491T106(1)016A(2)  
T491C156(1)016A(2)  
T491U156(1)016A(2)  
T491B156(1)016A(2)  
T491A156(1)016A(2)  
T491D226(1)016A(2)  
T491C226(1)016A(2)  
T491U226(1)016A(2)  
T491B226(1)016A(2)  
T491D336(1)016A(2)  
T491C336(1)016A(2)  
T491U336(1)016A(2)  
T491B336(1)016A(2)  
T491D476(1)016A(2)  
T491V476(1)016A(2)  
T491C476(1)016A(2)  
15.0  
15.0  
22.0  
22.0  
22.0  
22.0  
33.0  
33.0  
33.0  
33.0  
47  
47.0  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.8  
0.8  
0.8  
0.8  
1.1  
1.1  
1.1  
1.6  
1.6  
1.6  
1.6  
1.6  
2.4  
2.4  
2.4  
2.4  
3.5  
3.5  
3.5  
3.5  
5.3  
5.3  
5.3  
5.3  
7.5  
10.0  
8.0  
10.0  
8.0  
8.0  
8.0  
10.0  
12.0  
10.0  
10.0  
10  
0.9  
0.7  
0.9  
0.5  
0.5  
0.7  
0.5  
0.7  
0.5  
0.5  
0.2  
0.5  
10.0  
8.0  
6.0  
15.0  
3.5  
3.5  
5.0  
2.4  
3.5  
4.0  
5.0  
1.9  
2.5  
3.5  
1.8  
1.8  
2.0  
3.0  
8.0  
1.6  
1.8  
2.0  
3.5  
0.8  
1.5  
3.0  
2.2  
0.8  
1.2  
1.0  
2.0  
0.8  
0.7  
1.0  
350  
423  
350  
574  
548  
423  
548  
423  
574  
632  
908  
632  
87  
315  
381  
315  
517  
493  
381  
493  
381  
517  
569  
817.2  
569  
78  
140  
169  
140  
230  
219  
169  
219  
169  
230  
253  
363.2  
253  
35  
39  
45  
25  
62  
62  
49  
86  
62  
55  
47  
96  
74  
58  
99  
90  
82  
63  
38  
99  
90  
77  
58  
173  
105  
69  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
12.0  
4.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
10.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
6.0  
97  
112  
63  
87  
101  
57  
156  
156  
122  
214  
156  
137  
118  
241  
184  
146  
247  
224  
206  
158  
94  
247  
224  
192  
146  
433  
262  
173  
197  
433  
303  
300  
206  
433  
423  
332  
140  
140  
110  
193  
140  
123  
106  
217  
166  
131  
222  
202  
185  
142  
85  
222  
202  
173  
131  
390  
236  
156  
177  
390  
273  
270  
185  
390  
381  
299  
79  
173  
121  
120  
82  
173  
169  
133  
47  
47  
47  
7.5  
7.5  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017  
9
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference cont'd  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
16  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
68  
68  
68  
V/7343-20  
C/6032-28  
W/7343-15  
D/7343-31  
X/7343-43  
C/6032-28  
V/7343-20  
D/7343-31  
X/7343-43  
D/7343-31  
D/7343-31  
X/7343-43  
E/7360-38  
A/3216-18  
A/3216-18  
A/3216-18  
S/3216-12  
A/3216-18  
S/3216-12  
B/3528-21  
A/3216-18  
B/3528-21  
A/3216-18  
T/3528-12  
C/6032-28  
B/3528-21  
A/3216-18  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
C/6032-28  
U/6032-15  
B/3528-21  
A/3216-18  
D/7343-31  
B/3528-21  
C/6032-28  
D/7343-31  
V/7343-20  
C/6032-28  
B/3528-21  
D/7343-31  
C/6032-28  
V/7343-20  
B/3528-21  
T491V686(1)016A(2)  
T491C686(1)016A(2)  
T491W686(1)016AT  
T491D686(1)016A(2)  
T491X107(1)016A(2)  
T491C107(1)016AT  
T491V107(1)016A(2)  
T491D107(1)016A(2)  
T491X157(1)016A(2)  
T491D157(1)016A(2)  
T491D227(1)016A(2)  
T491X227(1)016A(2)  
T491E227(1)016A(2)  
T491A684(1)020A(2)  
T491A474(1)020A(2)  
T491A105(1)020A(2)  
T491S105(1)020A(2)  
T491A155(1)020A(2)  
T491S155(1)020A(2)  
T491B225(1)020A(2)  
T491A225(1)020A(2)  
T491B335(1)020A(2)  
T491A335(1)020A(2)  
T491T335(1)020A(2)  
T491C475(1)020A(2)  
T491B475(1)020A(2)  
T491A475(1)020A(2)  
T491C685(1)020A(2)  
T491U685(1)020A(2)  
T491B685(1)020A(2)  
T491A685(1)020A(2)  
T491C106(1)020A(2)  
T491U106(1)020A(2)  
T491B106(1)020A(2)  
T491A106(1)020A(2)  
T491D156(1)020A(2)  
T491B156(1)020AT  
T491C156(1)020A(2)  
T491D226(1)020A(2)  
T491V226(1)020A(2)  
T491C226(1)020A(2)  
T491B226(1)020A(2)  
T491D336(1)020A(2)  
T491C336(1)020A(2)  
T491V336(1)020A(2)  
T491B336(M)020A(2)  
10.9  
10.9  
10.9  
10.9  
16.0  
16.0  
16.0  
16.0  
24.0  
24.0  
35.2  
35.2  
35.2  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.7  
6.0  
6.0  
6.0  
6.0  
8.0  
10.0  
8.0  
8.0  
8.0  
10.0  
15.0  
10.0  
7.2  
0.7  
1.0  
0.8  
0.7  
0.7  
1.0  
0.7  
0.7  
0.5  
0.7  
0.9  
0.5  
0.9  
12.0  
14.0  
9.0  
18.0  
6.5  
15.0  
3.5  
6.0  
3.0  
4.0  
5.0  
2.4  
3.0  
4.0  
1.9  
1.9  
2.0  
6.0  
1.6  
1.8  
2.0  
5.0  
1.0  
2.0  
1.7  
0.8  
0.7  
1.2  
4.0  
0.8  
1.2  
0.7  
4.0  
423  
303  
474  
463  
486  
332  
423  
463  
574  
463  
408  
574  
471  
79  
381  
273  
427  
417  
437  
299  
381  
417  
517  
417  
367  
517  
424  
71  
66  
82  
52  
96  
57  
140  
94  
151  
116  
106  
193  
151  
123  
217  
196  
185  
101  
222  
202  
181  
110  
348  
185  
229  
390  
381  
273  
131  
390  
273  
381  
131  
169  
121  
190  
185  
194  
133  
169  
185  
230  
185  
163  
230  
188  
32  
29  
36  
23  
43  
25  
62  
42  
67  
52  
47  
86  
67  
55  
96  
87  
82  
45  
99  
90  
80  
49  
155  
82  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
68  
100  
100  
100  
100  
150  
150  
220  
220  
220  
0.68  
0.47  
1
4.0  
4.0  
4.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
6.0  
10.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
8.0  
10.0  
73  
91  
58  
107  
63  
1
1.5  
1.5  
2.2  
2.2  
3.3  
3.3  
3.3  
4.7  
4.7  
4.7  
6.8  
6.8  
6.8  
6.8  
10  
10  
10  
10  
15  
15  
15  
22  
22  
156  
104  
168  
129  
118  
214  
168  
137  
241  
218  
206  
112  
247  
224  
201  
122  
387  
206  
254  
433  
423  
303  
146  
433  
303  
423  
146  
0.7  
0.7  
0.9  
0.9  
0.9  
1.4  
1.4  
1.4  
1.4  
2.0  
2.0  
2.0  
2.0  
3.0  
3.0  
3.0  
102  
173  
169  
121  
58  
173  
121  
169  
58  
4.4  
4.4  
4.4  
4.4  
6.6  
6.6  
6.6  
6.6  
22  
22  
33  
33  
33  
33  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 10  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference cont'd  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
25  
47  
47  
47  
68  
68  
C/6032-28  
X/7343-43  
D/7343-31  
X/7343-43  
D/7343-31  
C/6032-28  
X/7343-43  
D/7343-31  
E/7360-38  
X/7343-43  
A/3216-18  
A/3216-18  
A/3216-18  
B/3528-21  
A/3216-18  
S/3216-12  
B/3528-21  
A/3216-18  
C/6032-28  
A/3216-18  
B/3528-21  
C/6032-28  
A/3216-18  
B/3528-21  
C/6032-28  
B/3528-21  
A/3216-18  
D/7343-31  
C/6032-28  
B/3528-21  
D/7343-31  
C/6032-28  
B/3528-21  
D/7343-31  
V/7343-20  
C/6032-28  
B/3528-21  
D/7343-31  
C/6032-28  
V/7343-20  
X/7343-43  
D/7343-31  
C/6032-28  
X/7343-43  
D/7343-31  
X/7343-43  
T491C476(1)020A(2)  
T491X476(1)020AT  
T491D476(1)020A(2)  
T491X686(1)020A(2)  
T491D686(1)020A(2)  
T491C686(1)020A(2)  
T491X107(1)020A(2)  
T491D107(1)020AT  
T491E107(1)020A(2)  
T491X157(1)020A(2)  
T491A334(1)025A(2)  
T491A474(1)025A(2)  
T491A684(1)025A(2)  
T491B105(1)025A(2)  
T491A105(1)025A(2)  
T491S105(1)025A(2)  
T491B155(1)025A(2)  
T491A155(1)025A(2)  
T491C225(1)025A(2)  
T491A225(1)025A(2)  
T491B225(1)025A(2)  
T491C335(1)025A(2)  
T491A335(1)025A(2)  
T491B335(1)025A(2)  
T491C475(1)025A(2)  
T491B475(1)025A(2)  
T491A475(1)025A(2)  
T491D685(1)025A(2)  
T491C685(1)025A(2)  
T491B685(1)025A(2)  
T491D106(1)025A(2)  
T491C106(1)025A(2)  
T491B106(1)025A(2)  
T491D156(1)025A(2)  
T491V156(1)025AT  
T491C156(1)025A(2)  
T491B156(1)025A(2)  
T491D226(1)025A(2)  
T491C226(1)025A(2)  
T491V226(1)025A(2)  
T491X336(1)025A(2)  
T491D336(1)025A(2)  
T491C336(1)025A(2)  
T491X476(1)025A(2)  
T491D476(1)025A(2)  
T491X686(1)025A(2)  
9.4  
9.4  
9.4  
13.6  
13.6  
13.6  
20.0  
20.0  
20.0  
30.0  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.6  
0.6  
0.6  
0.8  
0.8  
0.8  
1.2  
6.0  
6.0  
6.0  
6.0  
6.0  
8.0  
8.0  
8.0  
8.0  
10.0  
4.0  
4.0  
4.0  
4.0  
4.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
8.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
0.9  
0.8  
0.7  
0.7  
0.7  
0.5  
0.5  
0.9  
0.5  
0.4  
15.0  
13.0  
10.0  
5.0  
8.0  
18.0  
5.0  
7.0  
3.5  
7.0  
4.5  
2.5  
7.0  
3.5  
2.3  
1.5  
6.0  
1.8  
1.9  
2.8  
1.0  
1.5  
2.0  
1.0  
1.0  
1.5  
4.0  
0.8  
1.0  
0.7  
0.7  
0.7  
0.9  
0.7  
0.7  
0.7  
350  
454  
463  
486  
463  
469  
574  
408  
632  
642  
71  
76  
87  
130  
97  
58  
130  
104  
177  
104  
137  
210  
104  
156  
214  
238  
112  
289  
241  
174  
387  
271  
168  
387  
354  
271  
146  
433  
280  
423  
486  
463  
350  
486  
463  
486  
315  
409  
417  
437  
417  
422  
517  
367  
569  
578  
64  
68  
78  
117  
87  
52  
117  
94  
159  
94  
123  
189  
94  
140  
193  
214  
101  
260  
217  
157  
348  
244  
151  
348  
319  
244  
131  
390  
252  
381  
437  
417  
315  
437  
417  
437  
140  
182  
185  
194  
185  
188  
230  
163  
253  
257  
28  
30  
35  
52  
39  
23  
52  
42  
71  
42  
55  
84  
42  
62  
86  
95  
45  
116  
96  
70  
155  
108  
67  
155  
142  
108  
58  
173  
112  
169  
194  
185  
140  
194  
185  
194  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
68  
100  
100  
100  
150  
0.33  
0.47  
0.68  
1
1
1
1.5  
1.5  
2.2  
2.2  
2.2  
3.3  
3.3  
3.3  
4.7  
4.7  
4.7  
6.8  
6.8  
6.8  
10  
10  
10  
15  
15  
15  
15  
22  
22  
1.2  
1.2  
1.7  
1.7  
1.7  
2.5  
2.5  
2.5  
3.8  
3.8  
3.8  
3.8  
5.5  
5.5  
5.5  
8.3  
8.3  
8.3  
11.8  
11.8  
17.0  
22  
33  
33  
33  
47  
47  
68  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 11  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference cont'd  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
25  
25  
25  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
35  
50  
50  
50  
50  
50  
50  
68  
100  
100  
0.1  
0.15  
0.22  
0.33  
0.47  
0.47  
0.68  
0.68  
1
D/7343-31  
X/7343-43  
E/7360-38  
A/3216-18  
A/3216-18  
A/3216-18  
A/3216-18  
B/3528-21  
A/3216-18  
B/3528-21  
A/3216-18  
B/3528-21  
A/3216-18  
A/3216-18  
C/6032-28  
B/3528-21  
C/6032-28  
A/3216-18  
B/3528-21  
C/6032-28  
B/3528-21  
D/7343-31  
D/7343-31  
B/3528-21  
C/6032-28  
D/7343-31  
V/7343-20  
C/6032-28  
D/7343-31  
C/6032-28  
V/7343-20  
C/6032-28  
X/7343-43  
D/7343-31  
X/7343-43  
D/7343-31  
X/7343-43  
D/7343-31  
X/7343-43  
E/7360-38  
A/3216-18  
B/3528-21  
A/3216-18  
B/3528-21  
A/3216-18  
A/3216-18  
T491D686(1)025A(2)  
T491X107(1)025A(2)  
T491E107(1)025A(2)  
T491A104(1)035A(2)  
T491A154(1)035A(2)  
T491A224(1)035A(2)  
T491A334(1)035A(2)  
T491B474(1)035A(2)  
T491A474(1)035A(2)  
T491B684(1)035A(2)  
T491A684(1)035A(2)  
T491B105(1)035A(2)  
T491A105(1)035A(2)  
T491A155(1)035A(2)  
T491C155(1)035A(2)  
T491B155(1)035A(2)  
T491C225(1)035A(2)  
T491A225(1)035AT  
T491B225(1)035A(2)  
T491C335(1)035A(2)  
T491B335(1)035A(2)  
T491D335(1)035A(2)  
T491D475(1)035A(2)  
T491B475(1)035AT  
T491C475(1)035A(2)  
T491D685(1)035A(2)  
T491V685(1)035AT  
T491C685(1)035A(2)  
T491D106(1)035A(2)  
T491C106(1)035A(2)  
T491V106(1)035A(2)  
T491C156(1)035A(2)  
T491X156(1)035A(2)  
T491D156(1)035A(2)  
T491X226(1)035A(2)  
T491D226(1)035A(2)  
T491X336(1)035A(2)  
T491D336(1)035A(2)  
T491X476(1)035A(2)  
T491E476(1)035A(2)  
T491A104(1)050A(2)  
T491B154(1)050A(2)  
T491A154(1)050A(2)  
T491B224(1)050A(2)  
T491A224(1)050AT  
T491A334(1)050A(2)  
17.0  
25.0  
25.0  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.8  
0.8  
0.8  
1.2  
1.2  
1.2  
1.6  
1.6  
1.6  
2.4  
2.4  
2.4  
3.5  
3.5  
3.5  
5.3  
5.3  
5.3  
7.7  
10.0  
8.0  
8.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
10.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
0.7  
0.3  
0.5  
20.0  
19.0  
18.0  
15.0  
8.0  
11.0  
6.5  
8.0  
5.0  
7.0  
463  
742  
632  
61  
63  
65  
71  
103  
79  
114  
97  
417  
668  
569  
55  
57  
59  
64  
93  
71  
103  
87  
185  
297  
253  
24  
25  
26  
28  
41  
32  
46  
39  
52  
40  
42  
62  
52  
74  
52  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
130  
100  
104  
156  
130  
185  
129  
146  
235  
156  
274  
316  
166  
224  
340  
323  
247  
387  
262  
250  
332  
428  
433  
486  
463  
524  
500  
524  
632  
61  
117  
90  
94  
1
1.5  
1.5  
1.5  
2.2  
2.2  
2.2  
3.3  
3.3  
3.3  
4.7  
4.7  
4.7  
6.8  
6.8  
6.8  
10  
10  
10  
15  
15  
15  
22  
22  
33  
7.0  
4.5  
5.0  
3.2  
4.0  
4.0  
2.0  
3.5  
2.0  
1.5  
3.0  
2.0  
1.2  
1.2  
1.8  
1.0  
1.6  
1.0  
1.0  
0.9  
0.8  
0.7  
140  
117  
167  
116  
131  
212  
140  
247  
284  
149  
202  
306  
291  
222  
348  
236  
225  
299  
385  
390  
437  
417  
472  
450  
472  
569  
55  
58  
94  
62  
110  
126  
66  
90  
136  
129  
99  
155  
105  
100  
133  
171  
173  
194  
185  
210  
200  
210  
253  
24  
7.7  
0.7  
11.6  
11.6  
16.5  
16.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.6  
0.6  
0.6  
0.5  
20.0  
16.0  
15.0  
14.0  
18.0  
14.0  
33  
47  
47  
0.1  
0.15  
0.15  
0.22  
0.22  
0.33  
73  
71  
78  
65  
66  
64  
70  
59  
29  
28  
31  
26  
73  
66  
29  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 12  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Table 1 – Ratings & Part Number Reference cont'd  
Maximum  
Operating  
Temp  
Case  
Code/  
Case Size  
Rated Rated  
Voltage Cap  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
µA at +20°C % at +20°C Ω at +20°C  
Maximum/  
5 Minutes  
mA at  
+25°C  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
100 kHz  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
50  
0.33  
0.47  
0.47  
0.47  
0.68  
0.68  
0.68  
1
B/3528-21  
A/3216-18  
C/6032-28  
B/3528-21  
A/3216-18  
C/6032-28  
B/3528-21  
A/3216-18  
C/6032-28  
B/3528-21  
V/7343-20  
D/7343-31  
C/6032-28  
D/7343-31  
C/6032-28  
C/6032-28  
D/7343-31  
C/6032-28  
D/7343-31  
X/7343-43  
D/7343-31  
X/7343-43  
D/7343-31  
X/7343-43  
X/7343-43  
T491B334(1)050A(2)  
T491A474(1)050A(2)  
T491C474(1)050A(2)  
T491B474(1)050A(2)  
T491A684(1)050A(2)  
T491C684(1)050A(2)  
T491B684(1)050A(2)  
T491A105(1)050A(2)  
T491C105(1)050A(2)  
T491B105(1)050A(2)  
T491V105(1)050A(2)  
T491D155(1)050A(2)  
T491C155(1)050A(2)  
T491D225(1)050A(2)  
T491C225(1)050A(2)  
T491C335(1)050AT  
T491D335(1)050A(2)  
T491C475(1)050A(2)  
T491D475(1)050A(2)  
T491X685(1)050A(2)  
T491D685(1)050A(2)  
T491X106(1)050A(2)  
T491D106(1)050A(2)  
T491X156(1)050A(2)  
T491X226(1)050A(2)  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.8  
0.8  
1.1  
1.1  
1.7  
1.7  
2.4  
2.4  
3.4  
3.4  
5.0  
5.0  
7.5  
11.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
6.0  
4.0  
6.0  
6.0  
6.0  
6.0  
6.0  
6.0  
4.0  
6.0  
6.0  
6.0  
6.0  
6.0  
8.0  
10.0  
10.0  
9.5  
7.2  
9.0  
8.0  
6.4  
8.0  
7.0  
4.8  
6.0  
6.0  
3.5  
4.0  
2.5  
3.0  
2.0  
1.6  
1.4  
1.2  
0.8  
0.8  
0.7  
0.8  
0.7  
0.6  
92  
83  
253  
105  
87  
87  
113  
93  
37  
112  
47  
39  
39  
50  
41  
42  
59  
48  
58  
83  
66  
98  
76  
94  
110  
112  
142  
162  
155  
194  
173  
194  
210  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
280  
117  
97  
97  
125  
103  
104  
148  
119  
144  
207  
166  
245  
191  
235  
274  
280  
354  
406  
387  
486  
433  
486  
524  
94  
1
1
1
133  
107  
130  
186  
149  
221  
172  
212  
247  
252  
319  
365  
348  
437  
390  
437  
472  
1.5  
1.5  
2.2  
2.2  
3.3  
3.3  
4.7  
4.7  
6.8  
6.8  
10  
10  
15  
22  
µA at +20°C % at +20°C Ω at +20°C  
mA at  
+25°C  
100 kHz  
mA at  
+85°C  
100 kHz  
mA at  
+125°C  
100 kHz  
(See below for  
part options)  
Reflow Temp  
≤ 260 °C  
VDC at 85°C  
µF  
KEMET/EIA  
Maximum/  
5 Minutes  
120 Hz  
Maximum  
100 kHz  
Maximum  
°C  
Maximum  
Operating  
Temp  
Rated  
Voltage  
Rated  
Cap  
Case Code/  
Case Size  
KEMET Part  
Number  
DC  
Leakage  
Maximum Allowable  
Ripple Current  
DF  
ESR  
MSL  
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance Tolerance.  
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard solder coated (SnPb 5% Pb minimum), N =  
Non-magnetic 100% Tin (Sn), M = Non-magnetic (SnPb). Designates Termination Finish.  
Refer to Ordering Information for additional details.  
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will  
be marked with the higher voltage rating. Substitutions can include better than series.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 13  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Recommended Voltage Derating Guidelines  
12ꢀꢁ  
1ꢀꢀꢁ  
ꢃꢀꢁ  
ꢂꢀꢁ  
4ꢀꢁ  
2ꢀꢁ  
ꢀꢁ  
−55°Cꢀtoꢀ85°C  
85°Cꢀtoꢀ125°C  
% Change in Working DC  
Voltage with Temperature  
Recommended Maximum  
Application Voltage  
VR  
67% of VR  
ꢁ Cꢅanꢆe in ꢇorꢈinꢆ ꢉC ꢊoltaꢆe  
ꢋitꢅ Temperature  
50% of VR  
33% of VR  
ꢂꢌꢁ  
ꢍꢍꢁ  
ꢎecommended Maꢏimum  
ꢐpplication ꢊoltaꢆe  
ꢑꢐs ꢁ of ꢎated ꢊoltaꢆeꢒ  
−ꢄꢄ  
2ꢄ  
ꢃꢄ  
12ꢄ  
ꢇeꢈꢉeratꢊre ꢋꢌCꢍ  
Ripple Current/Ripple Voltage  
Permissible AC ripple voltage and current are related to  
equivalent series resistance (ESR) and the power dissipation  
capabilities of the device. Permissible AC ripple voltage  
which may be applied is limited by two criteria:  
1. The positive peak AC voltage plus the DC bias voltage,  
if any, must not exceed the DC voltage rating of the  
capacitor.  
2. The negative peak AC voltage in combination with  
bias voltage, if any, must not exceed the allowable limits  
specifiedꢀforꢀtheꢀreverseꢀvoltage.ꢀSeeꢀtheꢀReverseꢀVoltageꢀ  
section for allowable limits.  
The maximum power dissipation by case size can be  
determined using the table at right. The maximum power  
dissipation rating stated in the table must be reduced with  
increasing environmental operating temperatures. Refer to  
the table below for temperature compensation requirements.  
Maximum Power  
Dissipation (P max)  
mWatts at 25°C  
w/+20°C Rise  
KEMET  
Case Code  
EIA  
Case Code  
A
3216–18  
3528–21  
6032–28  
7343–31  
7343–43  
7360–38  
3528–15  
3216–12  
3528–12  
6032–15  
7343–20  
7343–15  
7343–43  
7360–38  
75  
B
85  
C
110  
150  
165  
200  
120  
60  
D
X
E
M
S
T
U
70  
90  
V
125  
180  
270  
285  
W
T510X  
T510E  
Temperature Compensation Multipliers  
for Maximum Ripple Current  
Using the P max of the device, the maximum allowable rms  
ripple current or voltage may be determined.  
Tꢀ≤ꢀ25°C  
Tꢀ≤ꢀ85°C  
Tꢀ≤ꢀ125°C  
1.00  
0.90  
0.40  
I(max) = √P max/R  
E(max) = Z √P max/R  
T = Environmental Temperature  
The maximum power dissipation rating must be reduced with increasing  
environmental operating temperatures. Refer to the Temperature  
Compensation Multiplier table for details.  
I = rms ripple current (amperes)  
E = rms ripple voltage (volts)  
P max = maximum power dissipation (watts)  
R = ESR at specified frequency (ohms)  
Z = Impedance at specified frequency (ohms)  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 14  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Reverse Voltage  
Solid tantalum capacitors are polar devices and may be permanently damaged or destroyed if connected with the wrong  
polarity.ꢀTheꢀpositiveꢀterminalꢀisꢀidentifiedꢀonꢀtheꢀcapacitorꢀbodyꢀbyꢀaꢀstripe,ꢀplus,ꢀinꢀsomeꢀcasesꢀaꢀbeveledꢀedge.ꢀAꢀsmallꢀ  
degree of transient reverse voltage is permissible for short periods per the table. The capacitors should not be operated  
continuously in reverse mode, even within these limits.  
Temperature  
Permissible Transient Reverse Voltage  
25°C  
85°C  
15% of Rated Voltage  
5% of Rated Voltage  
1% of Rated Voltage  
125°C  
Table 2 – Land Dimensions/Courtyard  
Metric  
Size  
Code  
Density Level A:  
Maximum (Most) Land  
Protrusion (mm)  
Density Level B:  
Median (Nominal) Land  
Protrusion (mm)  
Density Level C:  
Minimum (Least) Land  
Protrusion (mm)  
KEMET  
Case  
A
EIA  
W
L
S
V1  
V2  
W
L
S
V1  
V2  
W
L
S
V1  
V2  
3216–18  
1.35  
2.20  
2.21  
2.77  
2.77  
2.77  
2.20  
2.20  
2.20  
2.77  
2.77  
2.77  
2.77  
0.62  
0.92  
2.37  
6.02  
6.32  
8.92  
2.80  
4.00  
4.50  
1.23  
2.23  
2.23  
2.43  
3.13  
2.23  
1.23  
2.23  
2.23  
2.43  
2.43  
2.43  
1.80  
1.80  
2.37  
2.37  
2.37  
1.80  
1.80  
1.80  
2.37  
2.37  
2.37  
2.37  
0.82  
1.12  
2.57  
3.87  
3.87  
1.12  
0.82  
1.12  
2.57  
3.87  
3.87  
3.87  
4.92  
5.22  
7.82  
9.12  
9.12  
5.22  
4.92  
5.22  
7.82  
9.12  
9.12  
9.12  
2.30  
3.50  
4.00  
5.10  
6.80  
3.50  
2.30  
3.50  
4.00  
5.10  
5.10  
5.10  
1.13  
2.13  
2.13  
2.33  
3.03  
2.13  
1.13  
2.13  
2.13  
2.33  
2.33  
2.33  
1.42  
1.42  
1.99  
1.99  
1.99  
1.42  
1.42  
1.42  
1.99  
1.99  
1.99  
1.99  
0.98  
1.28  
2.73  
4.03  
4.03  
1.28  
0.98  
1.28  
2.73  
4.03  
4.03  
4.03  
4.06  
4.36  
6.96  
8.26  
8.26  
4.36  
4.06  
4.36  
6.96  
8.26  
8.26  
8.26  
2.04  
3.24  
3.74  
4.84  
6.54  
3.24  
2.04  
3.24  
3.74  
4.84  
4.84  
4.84  
B
3528–21 2.35  
6032–25 2.35  
7343–31 2.55  
7360–38 3.25  
C
D
3.67 10.22 5.60  
3.67 10.22 7.30  
E1  
M
S2  
T
3528-15  
3216–12  
2.35  
1.35  
0.92  
0.62  
0.92  
2.37  
6.32  
6.02  
6.32  
8.92  
4.00  
2.80  
4.00  
4.50  
3528–12 2.35  
6032–15 2.35  
7343–20 2.55  
7343–15 2.55  
7343–43 2.55  
U
V
3.67 10.22 5.60  
3.67 10.22 5.60  
3.67 10.22 5.60  
W
X1  
Density Level A: For low-density product applications. Recommended for wave solder applications and provides a wider process window for reflow  
solder processes.  
Density Level B: For products with a moderate level of component density. Provides a robust solder attachment condition for reflow solder processes.  
Density Level C: For high component density product applications. Before adapting the minimum land pattern variations, the user should perform  
qualification testing based on the conditions outlined in IPC standard 7351 (IPC–7351).  
1 Height of these chips may create problems in wave soldering.  
2 Land pattern geometry is too small for silkscreen outline.  
V1  
L
L
V2  
W
W
S
Grid Placement Courtyard  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 15  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Soldering Process  
KEMET’sꢀfamiliesꢀofꢀsurfaceꢀmountꢀcapacitorsꢀareꢀcompatibleꢀ  
with wave (single or dual), convection, IR, or vapor phase  
reflowꢀtechniques.ꢀPreheatingꢀofꢀtheseꢀcomponentsꢀisꢀ  
recommended to avoid extreme thermal stress. KEMET's  
recommendedꢀprofileꢀconditionsꢀforꢀconvectionꢀandꢀIRꢀ  
reflowꢀreflectꢀtheꢀprofileꢀconditionsꢀofꢀtheꢀIPC/J-STD-020Dꢀ  
standard for moisture sensitivity testing. The devices can  
safelyꢀwithstandꢀaꢀmaximumꢀofꢀthreeꢀreflowꢀpassesꢀatꢀtheseꢀ  
conditions.  
Profile Feature  
Preheat/Soak  
SnPb Assembly Pb-Free Assembly  
Temperature Minimum (TSmin  
)
100°C  
150°C  
150°C  
200°C  
Temperature Maximum (TSmax  
)
Time (ts) from Tsmin to Tsmax  
Ramp-up Rate (TL to TP)  
)
60 – 120 seconds  
60 – 120 seconds  
3°C/secondꢀmaximum 3°C/secondꢀmaximum  
Liquidous Temperature (TL)  
Time Above Liquidous (tL)  
183°C  
217°C  
60 – 150 seconds  
60 – 150 seconds  
220°C*ꢀ  
235°C**  
250°C*  
260°C**  
Peak Temperature (TP)  
Timeꢀwithinꢀ5°CꢀofꢀMaximum  
20 seconds maximum 30 seconds maximum  
Please note that although the X/7343–43 case size can  
withstandꢀwaveꢀsoldering,ꢀtheꢀtallꢀprofileꢀ(4.3ꢀmmꢀmaximum)ꢀ  
dictates care in wave process development.  
Peak Temperature (tP)  
Ramp-down Rate (TP to TL)  
6°C/secondꢀmaximum 6°C/secondꢀmaximum  
Timeꢀ25°CꢀtoꢀPeakꢀ  
Temperature  
6 minutes maximum  
8 minutes maximum  
Note: All temperatures refer to the center of the package, measured on the  
package body surface that is facing up during assembly reflow.  
*Case Size D, E, P, Y, and X  
Hand soldering should be performed with care due to the  
difficultyꢀinꢀprocessꢀcontrol.ꢀIfꢀperformed,ꢀcareꢀshouldꢀbeꢀ  
taken to avoid contact of the soldering iron to the molded  
case. The iron should be used to heat the solder pad, applying  
solderꢀbetweenꢀtheꢀpadꢀandꢀtheꢀtermination,ꢀuntilꢀreflowꢀ  
occurs.ꢀOnceꢀreflowꢀoccurs,ꢀtheꢀironꢀshouldꢀbeꢀremovedꢀ  
immediately. “Wiping” the edges of a chip and heating the top  
surface is not recommended.  
**Case Size A, B, C, H, I, K, M, R, S, T, U, V, W, and Z  
Tꢃ  
tꢃ  
Maꢁimum ꢄamp ꢅp ꢄate ꢆ ꢇꢈCꢉsecond  
Maꢁimum ꢄamp ꢊoꢋn ꢄate ꢆ ꢌꢈCꢉsecond  
Tꢂ  
tꢂ  
Tsmaꢁ  
Duringꢀtypicalꢀreflowꢀoperations,ꢀaꢀslightꢀdarkeningꢀofꢀtheꢀ  
gold-colored epoxy may be observed. This slight darkening is  
normal and not harmful to the product. Marking permanency  
is not affected by this change.  
Tsmin  
ts  
2ꢀ  
2ꢀꢈC to ꢃeaꢍ  
ꢀiꢁe  
Storage  
Tantalum chip capacitors should be stored in normal working environments. While the chips themselves are quite robust in  
other environments, solderability will be degraded by exposure to high temperatures, high humidity, corrosive atmospheres,  
and long term storage. In addition, packaging materials will be degraded by high temperature – reels may soften or warp  
andꢀtapeꢀpeelꢀforceꢀmayꢀincrease.ꢀKEMETꢀrecommendsꢀthatꢀmaximumꢀstorageꢀtemperatureꢀnotꢀexceedꢀ40°Cꢀandꢀmaximumꢀ  
storageꢀhumidityꢀnotꢀexceedꢀ60%ꢀrelativeꢀhumidity.ꢀTemperatureꢀfluctuationsꢀshouldꢀbeꢀminimizedꢀtoꢀavoidꢀcondensationꢀonꢀ  
the parts and atmospheres should be free of chlorine and sulphur bearing compounds. For optimized solderability chip stock  
should be used promptly, preferably within three years of receipt.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 16  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Construction  
Polarity Stripe (+)  
Molded Epoxy  
Case  
Detailed Cross Section  
Silver Paint  
(Fourth Layer)  
Polarity  
Bevel (+)  
Tantalum Wire  
Leadframe  
(− Cathode)  
Washer  
Tantalum Wire  
Weld  
(to attach wire)  
Carbon  
(Third Layer)  
Washer  
Silver Adhesive  
Ta2O5 Dielectric  
(First Layer)  
MnO2  
(Second Layer)  
Leadframe  
(+ Anode)  
Molded Epoxy  
Tantalum  
Case  
Capacitor Marking  
Date Code *  
1st digit = last number of year  
2 = 2012  
KEMET  
Industrial  
Grade MnO2  
Polarity  
3 = 2013  
4 = 2014  
5 = 2015  
6 = 2016  
7 = 2017  
Indicator (+)  
Picofarad  
Code  
2nd and 3rd digit = week of the  
year  
01 = 1st week of the year to  
52 = 52nd week of the year  
KEMET  
ID  
Rated  
Voltage  
Date  
Code*  
* 230 = 30th week of 2012  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 17  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Tape & Reel Packaging Information  
KEMET’sꢀmoldedꢀchipꢀcapacitorꢀfamiliesꢀareꢀpackagedꢀinꢀ8ꢀandꢀ12ꢀmmꢀplasticꢀtapeꢀonꢀ7"ꢀandꢀ13"ꢀreelsꢀinꢀaccordanceꢀwithꢀ  
EIA Standard 481: Embossed Carrier Taping of Surface Mount Components for Automatic Handling. This packaging system  
is compatible with all tape-fed automatic pick-and-place systems.  
ꢋiꢌꢍt ꢍand  
orientation  
onlꢎ  
ꢀmꢁossed carrier  
ꢃꢏꢉ  
ꢃ−ꢉ  
ꢀmꢁossment  
Top tape tꢍicꢐness  
ꢄꢅ1ꢄ mm ꢃꢄꢅꢄꢄ4ꢈꢉ  
maꢑimum tꢍicꢐness  
ꢂ mm ꢃꢄꢅꢆ1ꢇꢈꢉ or  
12 mm ꢃꢄꢅ4ꢊ2ꢈꢉ  
1ꢂꢄ mm ꢃꢊꢅꢄꢈꢉ or  
ꢆꢆꢄ mm ꢃ1ꢆꢅꢈꢉ  
Table 3 – Packaging Quantity  
Tape Width  
Case Code  
7" Reel* 13" Reel*  
(mm)  
KEMET  
EIA  
S
T
M
U
L
W
Z
V
A
B
C
D
Q
Y
3216-12  
3528-12  
3528-15  
6032-15  
6032-19  
7343-15  
7343-17  
7343-20  
3216-18  
3528-21  
6032-28  
7343-31  
7343-12  
7343-40  
7343-43  
7360-38  
7360-20  
8
8
8
12  
12  
12  
12  
12  
8
2,500  
2,500  
2,000  
1,000  
1,000  
1,000  
1,000  
1,000  
2,000  
2,000  
500  
500  
1,000  
500  
500  
500  
10,000  
10,000  
8,000  
5,000  
3,000  
3,000  
3,000  
3,000  
9,000  
8,000  
3,000  
2,500  
3,000  
2,000  
2,000  
2,000  
2,500  
8
12  
12  
12  
12  
12  
12  
12  
X
E/T428P  
H
1,000  
* No C-Spec required for 7" reel packaging. C-7280 required for 13" reel packaging.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 18  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Figure 1 – Embossed (Plastic) Carrier Tape Dimensions  
T
T2  
ꢀ2  
ꢓ1ꢁ pitcꢔes cumulatiꢅe  
tolerance on tape ꢕꢁꢍ2 mmꢖ  
ꢐ1  
ꢀꢁ  
ꢎꢏꢁ  
ꢇꢁ  
ꢂ
ꢉꢁ  
ꢃ
ꢐ2  
ꢈ1  
ꢈꢁ  
S1  
ꢀ1  
T1  
Coꢅer Tape  
ꢐmꢌossment  
ꢂor caꢅitꢆ siꢑeꢊ  
see ꢒote 1 Taꢌle 4  
Center ꢄines of Caꢅitꢆ  
ꢎꢏ1  
ꢈ1 is for tape feeder reference onlꢆꢊ  
includinꢋ draft concentric aꢌout ꢈꢁꢍ  
ꢀser ꢁirectiꢂꢃ ꢂꢄ ꢀꢃreeliꢃꢅ  
Table 4 – Embossed (Plastic) Carrier Tape Dimensions  
Metric will govern  
Constant Dimensions — Millimeters (Inches)  
D1 Minimum  
Note 1  
R Reference S1 Minimum  
T1  
Tape Size  
8 mm  
D0  
E1  
P0  
P2  
T Maximum  
Note 2  
Note 3  
Maximum  
1.0  
(0.039)  
25.0  
(0.984)  
1.5ꢀ+0.10/-0.0ꢀ  
1.75±0.10  
4.0±0.10  
2.0±0.05  
0.600  
0.600  
0.100  
(0.059+0.004/-0.0)  
(0.069±0.004) (0.157±0.004) (0.079±0.002)  
(0.024)  
(0.024)  
(0.004)  
1.5  
(0.059)  
30  
(1.181)  
12 mm  
Variable Dimensions — Millimeters (Inches)  
B1 Maximum  
Tape Size  
8 mm  
Pitch  
E2 Minimum  
F
P1  
T2 Maximum W Maximum A0, B0 & K0  
Note 4  
4.35  
(0.171)  
6.25  
(0.246)  
3.5±0.05  
2.0±0.05 or 4.0±0.10  
2.5  
8.3  
(0.327)  
Single (4 mm)  
(0.138±0.002) (0.079±0.002 or 0.157±0.004)  
(0.098)  
Note 5  
Single (4 mm)  
& Double  
2.0±0.05 (0.079±0.002) or  
8.2  
(0.323)  
10.25  
(0.404)  
5.5±0.05  
4.6  
(0.181)  
12.3  
(0.484)  
12 mm  
4.0±0.10 (0.157±0.004) or  
(0.217±0.002)  
(8 mm)  
8.0±0.10 (0.315±0.004)  
1. The embossment hole location shall be measured from the sprocket hole controlling the location of the embossment. Dimensions of embossment  
location and hole location shall be applied independent of each other.  
2. The tape, with or without components, shall pass around R without damage (see Figure 4).  
3. If S1 < 1.0 mm, there may not be enough area for cover tape to be properly applied (see EIA Standard 481–D, paragraph 4.3, section b).  
4. B1 dimension is a reference dimension for tape feeder clearance only.  
5. The cavity defined by A0, B0 and K0 shall surround the component with sufficient clearance that:  
(a) the component does not protrude above the top surface of the carrier tape.  
(b) the component can be removed from the cavity in a vertical direction without mechanical restriction, after the top cover tape has been removed.  
(c) rotation of the component is limited to 20° maximum for 8 and 12 mm tapes (see Figure 2).  
(d) lateral movement of the component is restricted to 0.5 mm maximum for 8 mm and 12 mm wide tape (see Figure 3).  
(e) see Addendum in EIA Standard 481–D for standards relating to more precise taping requirements.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 19  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Packaging Information Performance Notes  
1. Cover Tape Break Force: 1.0 kg minimum.  
2. Cover Tape Peel Strength: The total peel strength of the cover tape from the carrier tape shall be:  
Tape Width  
8 mm  
Peel Strength  
0.1 to 1.0 Newton (10 to 100 gf)  
0.1 to 1.3 Newton (10 to 130 gf)  
12 mm  
The direction of the pull shall be opposite the direction of the carrier tape travel. The pull angle of the carrier tape shall be  
165°ꢀtoꢀ180°ꢀfromꢀtheꢀplaneꢀofꢀtheꢀcarrierꢀtape.ꢀDuringꢀpeeling,ꢀtheꢀcarrierꢀand/orꢀcoverꢀtapeꢀshallꢀbeꢀpulledꢀatꢀaꢀvelocityꢀofꢀ  
300 ±10 mm/minute.  
3. Labeling: Bar code labeling (standard or custom) shall be on the side of the reel opposite the sprocket holes. Refer to EIA  
Standards 556 and 624.  
Figure 2 – Maximum Component Rotation  
°
T
ꢀaꢁiꢂꢃꢂ Cꢄꢂꢅꢄꢆeꢆt ꢇꢄtatiꢄꢆ  
ꢈꢄꢅ ꢉieꢊ  
ꢀaꢁiꢂꢃꢂ Cꢄꢂꢅꢄꢆeꢆt ꢇꢄtatiꢄꢆ  
ꢋiꢌe ꢉieꢊ  
Tꢅpical ꢆocꢇet Centerline  
ꢈaꢅe  
ꢍiꢌth ꢎꢂꢂꢏ  
ꢂꢃ 12  
ꢀaꢁiꢂꢃꢂ  
ꢇꢄtatiꢄꢆ ꢎ  
2ꢄ  
°
°
T
s
)
ꢁo  
ꢈaꢅe  
ꢍiꢌth ꢎꢂꢂꢏ  
ꢂꢃ 12  
ꢀaꢁiꢂꢃꢂ  
ꢇꢄtatiꢄꢆ ꢎ  
2ꢄ  
°
S
)
Tꢅpical Component Centerline  
ꢀo  
Figure 4 – Bending Radius  
Figure 3 – Maximum Lateral Movement  
ꢃmꢄossed  
Carrier  
ꢅuncꢆed  
Carrier  
ꢄ mm ꢅ 12 mm Tape  
ꢀꢁꢂ mm maꢃimum  
ꢀꢁꢂ mm maꢃimum  
ꢀ
ꢁendinꢂ  
ꢀadius  
ꢀ
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 20  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Figure 5 – Reel Dimensions  
ꢅull ꢆadiusꢇ  
See ꢃote  
ꢓꢔ ꢂIncludes  
flanꢕe distortion  
at outer edꢕeꢄ  
ꢀccess ꢉole at  
Slot ꢊocation  
ꢂꢋ 4ꢌ mm minimumꢄ  
ꢓ2 ꢂMeasured at ꢑuꢖꢄ  
ꢁ
ꢂSee ꢃoteꢄ  
ꢀ
ꢃ
C
ꢂꢀrꢖor ꢑole  
ꢓ1 ꢂMeasured at ꢑuꢖꢄ  
diameterꢄ  
If presentꢇ  
tape slot in core  
for tape startꢍ  
2ꢎꢏ mm minimum ꢐidtꢑ ꢒ  
1ꢌꢎꢌ mm minimum deptꢑ  
ꢈ
ꢂsee ꢃoteꢄ  
ꢃoteꢍ ꢁriꢗe spoꢘes optionalꢙ if usedꢇ dimensions ꢈ and ꢁ sꢑall applꢚꢎ  
Table 5 – Reel Dimensions  
Metric will govern  
Constant Dimensions — Millimeters (Inches)  
Tape Size  
8 mm  
A
B Minimum  
C
D Minimum  
178±0.20  
(7.008±0.008)  
or  
1.5  
(0.059)  
13.0+0.5/−0.2ꢀ  
(0.521+0.02/−0.008)  
20.2  
(0.795)  
12 mm  
330±0.20  
(13.000±0.008)  
Variable Dimensions — Millimeters (Inches)  
Tape Size  
8 mm  
N Minimum  
W1  
W2 Maximum  
W3  
8.4+1.5/−0.0  
(0.331+0.059/−0.0)  
12.4+2.0/−0.0  
14.4  
(0.567)  
18.4  
50  
(1.969)  
Shall accommodate tape  
width without interference  
12 mm  
(0.488+0.078/−0.0)ꢀꢀ  
(0.724)  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 21  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
Figure 6 – Tape Leader & Trailer Dimensions  
ꢅmꢑossed Carrier  
Carrier Tape  
ꢌuncꢍed Carrier  
ꢎ mm ꢏ 12 mm onlꢐ  
ꢂound Sprocꢃet ꢄoles  
ꢂꢃꢄꢅꢃ  
Eꢀꢁ  
Top Coꢋer Tape  
ꢅlonꢆated Sprocꢃet ꢄoles  
ꢇꢈ2 mm tape and ꢉiderꢊ  
1ꢁꢁ mm  
minimum ꢒeader  
4ꢁꢁ mm minimum  
Trailer  
Components  
1ꢀꢁ mm minimum  
Top Coꢋer Tape  
Figure 7 – Maximum Camber  
ꢇlonꢆated Sprocꢁet ꢂoles  
ꢊꢋ2 mm ꢌ ꢍider tapesꢎ  
Carrier Tape  
ꢀound Sprocꢁet ꢂoles  
1 mm maꢃimumꢄ eitꢅer direction  
Straiꢆꢅt ꢇdꢆe  
2ꢈꢉ mm  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 22  
Tantalum Surface Mount Capacitors – Standard Tantalum  
T491 Industrial Grade MnO2  
KEMET Electronics Corporation Sales Offices  
Forꢀaꢀcompleteꢀlistꢀofꢀourꢀglobalꢀsalesꢀo ꢀꢀces,ꢀpleaseꢀvisitꢀwww.kemet.com/sales.  
Disclaimer  
Allꢀproductꢀspeci ꢀcations,ꢀstatements,ꢀinformationꢀandꢀdataꢀ(collectively,ꢀtheꢀ“Information”)ꢀinꢀthisꢀdatasheetꢀareꢀsubjectꢀtoꢀchange.ꢀTheꢀcustomerꢀisꢀresponsibleꢀforꢀ  
checking and verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed.  
All Information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied.  
StatementsꢀofꢀsuitabilityꢀforꢀcertainꢀapplicationsꢀareꢀbasedꢀonꢀKEMETꢀElectronicsꢀCorporation’sꢀ(“KEMET”)ꢀknowledgeꢀofꢀtypicalꢀoperatingꢀconditionsꢀforꢀsuchꢀ  
applications,ꢀbutꢀareꢀnotꢀintendedꢀtoꢀconstituteꢀ–ꢀandꢀKEMETꢀspeci ꢀcallyꢀdisclaimsꢀ–ꢀanyꢀwarrantyꢀconcerningꢀsuitabilityꢀforꢀaꢀspeci ꢀcꢀcustomerꢀapplicationꢀorꢀuse.ꢀ  
The Information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. Any  
technicalꢀadviceꢀinferredꢀfromꢀthisꢀInformationꢀorꢀotherwiseꢀprovidedꢀbyꢀKEMETꢀwithꢀreferenceꢀtoꢀtheꢀuseꢀofꢀKEMET’sꢀproductsꢀisꢀgivenꢀgratis,ꢀandꢀKEMETꢀassumesꢀnoꢀ  
obligation or liability for the advice given or results obtained.  
Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component  
failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards  
(suchꢀasꢀinstallationꢀofꢀprotectiveꢀcircuitryꢀorꢀredundancies)ꢀinꢀorderꢀtoꢀensureꢀthatꢀtheꢀfailureꢀofꢀanꢀelectricalꢀcomponentꢀdoesꢀnotꢀresultꢀinꢀaꢀriskꢀofꢀpersonalꢀinjuryꢀorꢀ  
property damage.  
Although all product–related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other  
measures may not be required.  
KEMET is a registered trademark of KEMET Electronics Corporation.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
T2005_T491 • 11/14/2017 23  

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