S252N100K602CT

更新时间:2024-10-29 23:15:41
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描述:High reliability and stability

S252N100K602CT 概述

High reliability and stability

S252N100K602CT 数据手册

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Multilayer Ceramic Capacitors  
Approval Sheet  
MULTILAYER CERAMIC CAPACITORS  
Safety Certified X1/Y2, S2 Series  
1808 to 2220 Sizes  
NP0 & X7R Dielectrics  
Halogen Free & RoHS Compliance  
*Contents in this sheet are subject to change without prior notice.  
Page 1 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Approval Sheet  
1. DESCRIPTION  
WTC’s SAFETY CERTIFIED CAPACITORS are designed for surge or lightning immunity in modem facsimile and  
other equipments. The capacitors of series S2 are class X1/Y2 compliant respectively.  
The green type capacitors in S2 and S3 series are manufactured by using environmentally friendly materials without  
lead or cadmium.  
The terminations are composed of plated nickel and pure tin to feature the superior leaching resistance during  
soldering.  
2. FEATURES  
3. APPLICATIONS  
a. High reliability and stability.  
b. Small size and high capacitance  
c. RoHS compliant  
a. Modem.  
b. Facsimile.  
c. Telephone.  
d. Other electronic equipment for lighting or surge  
protection and isolation  
d. Safety standard approval by  
EN 60384-14 : 2013  
IEC 60384-14 : 2013  
UL 60384-14 (Ed 2.0)  
e. Certificate number:  
TUV: R50195920, TUV: R50381780  
UL: E182369  
f. HALOGEN compliant.  
4. HOW TO ORDER  
S2  
42  
N
100  
J
502  
C
T
Series  
Size  
Dielectric  
Capacitance  
Tolerance  
Rated voltage  
Termination  
Packaging  
S2=X1/Y2  
Safety  
42=1808 (4520) N=NP0  
43=1812 (4532) B=X7R  
52=2211 (5728)  
Two significant  
Two significant digits C=Cu/Ni/Sn  
T=7” reeled  
D= ±0.5pF  
digits followed by F= ±1.0% followed by no. of  
G=13” reeled  
G= ±2.0%  
J= ±5.0%  
K= ±10%  
M= ±20%  
Certified  
no. of zeros. And R  
is in place of  
zeros. And R is in  
place of decimal  
point.  
55=2220 (5750)  
decimal point.  
eg.:  
502: 5000V  
0R5=0.5pF  
1R0=1.0pF  
100=10x100  
=10pF  
Impulse Voltage  
602: 6000V  
Impulse Voltage  
Page 2 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Approval Sheet  
5. EXTERNAL DIMENSIONS & STRUCTURE  
Size  
Inch (mm)  
CP  
(mm)  
L (mm)  
W (mm)  
T (mm)  
MB (mm)  
L
1808 (4520) 4.50 +0.5/-0.3 2.03±0.25  
1812 (4532) 4.50 +0.5/-0.3 3.20±0.40  
3.5  
0.50±0.25  
T
1.25±0.10 (D)  
1.40±0.15 (F)  
1.60±0.20 (G)  
2.00±0.20 (K)  
2.50±0.30 (M)  
2.80±0.30 (U)  
3.5  
4.0  
4.0  
0.50±0.25  
0.60±0.30  
0.60±0.30  
W
CP  
MB  
MB  
2211 (5728)  
2220 (5750)  
5.70±0.40  
5.70±0.40  
2.80±0.30  
5.00±0.40  
Fig. 1 The outline of MLCC  
# Reflow soldering only is recommended.  
6. GENERAL ELECTRICAL DATA  
Dielectric  
Size  
NP0  
X7R  
1808, 1812, 2211  
3pF to 680pF  
1808, 1812, 2211, 2220  
100pF to 4700pF  
Capacitance  
Cap.<10pF: D (±0.5pF)  
Capacitance tolerance  
Cap.10pF: F (±1%), G (±2%), J (±5%),  
J (±5%), K (±10%), M (±20%)  
K (±10%), M (±20%)  
Rated voltage (WVAC)  
250Vac  
Cap<30pF: Q400+20C  
Cap30pF: Q1000  
Q/ DF(Tan δ)  
DF2.5%  
Insulation resistance at Ur  
Peak impulse voltage  
Operating temperature  
Capacitance characteristic  
Termination  
10GΩ  
5000V ~ 6000V  
-55 to +125°C  
±30ppm/°C  
±15%  
Ni/Sn (lead-free termination)  
TUV: R50195920, TUV: R50381780, UL: E182369  
EN 60384-14 : 2013, IEC 60384-14 : 2013, UL 60384-14 (Ed 2.0)  
Certified number  
Test standard  
* NP0: Apply 1.0±0.2Vrms, 1.0MHz±10% for Cap1000pF and 1.0±0.2Vrms, 1.0kHz±10% for Cap>1000pF, at 25°C ambient temperature.  
* X7R: Apply 1.0±0.2Vrms, 1.0kHz±10%, at 25°C ambie nt temperature.  
7. PACKAGE DIMENSION AND QUANTITY  
Plastic tape  
Size  
Thickness (mm)/Symbol  
7” reel  
2k  
13” reel  
1.40±0.15  
1.60±0.20  
2.00±0.20  
1.25±0.10  
1.60±0.20  
2.00±0.20  
2.50±0.30  
1.60±0.20  
2.00±0.20  
2.50±0.30  
2.80±0.30  
2.00±0.20  
2.50±0.30  
F
G
K
-
1808 (4520)  
2k  
8k  
6k  
-
1k  
D
G
K
1k  
1k  
1812 (4532)  
1k  
-
3k  
-
M
G
K
0.5k  
1k  
1k  
-
2211 (5728)  
2220 (5750)  
M
U
K
0.5k  
-
0.5k  
1k  
-
-
M
0.5k  
2k  
Unit: pieces  
Page 3 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Approval Sheet  
8. CAPACITANCE RANGE  
DIELECTRIC  
SIZE  
NP0  
1808  
1812  
5000  
2211  
2211  
6000  
PEAK IMPULSE VOLTAGE  
TUV  
UL  
TUV  
UL  
TUV  
UL  
TUV  
UL  
60384  
Certificated  
3.0pF (3R0)  
IEC60384-14 60384 IEC60384-14 60384 IEC60384-14 60384 IEC60384-14  
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
G
G
G
G
G
K
K
K
K
K
K
K
K
3.3pF (3R3)  
3.9pF (3R9)  
4.0pF (4R0)  
4.7pF (4R7)  
5.0pF (5R0)  
5.6pF (5R6)  
6.0pF (6R0)  
6.8pF (6R8)  
7.0pF (7R0)  
8.0pF (8R0)  
8.2pF (8R2)  
9.0pF (9R0)  
10pF (100)  
12pF (120)  
15pF (150)  
18pF (180)  
22pF (220)  
27pF (270)  
33pF (330)  
39pF (390)  
47pF (470)  
56pF (560)  
68pF (680)  
82pF (820)  
100pF (101)  
120pF (121)  
130pF (131)  
150pF (151)  
160pF (161)  
180pF (181)  
220pF (221)  
270pF (271)  
300pF (301)  
330pF (331)  
390pF (391)  
470pF (471)  
560pF (561)  
680pF (681)  
720pF (721)  
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
M
M
M
M
M
M
M
M
M
M
M
M
M
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
M
M
U
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
K
K
K
K
K
K
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
M
K
K
K
K
K
K
K
K
K
K
M
M
U
F
F
F
G
G
G
G
G
K
K
K
K
K
K
K
K
M
M
M
M
M
M
M
M
M
M
1. The letter in cell is expressed the symbol of product thickness.  
2. For more information about products with special capacitance or other data, please contact WTC local representative.  
Page 4 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Approval Sheet  
DIELECTRIC  
SIZE  
X7R  
1808  
1812  
2211  
2220  
PEAK IMPULSE VOLTAGE  
5000  
TUV  
IEC60384-14  
UL  
60384  
TUV  
UL  
TUV  
UL  
TUV  
UL  
Certificated  
IEC60384-14 60384 IEC60384-14 60384 IEC60384-14 60384  
100pF (101)  
120pF (121)  
130pF (131)  
150pF (151)  
160pF (161)  
180pF (181)  
220pF (221)  
270pF (271)  
300pF (301)  
330pF (331)  
390pF (391)  
470pF (471)  
560pF (561)  
680pF (681)  
720pF (721)  
820pF (821)  
1,000pF (102)  
1,200pF (122)  
1,500pF (152)  
1,800pF (182)  
2,200pF (222)  
2,700pF (272)  
3,300pF (332)  
3,900pF (392)  
4,700pF (472)  
G
G
G
G
G
G
G
G
G
K
K
K
K
K
K
K
K
K
K
G
G
G
G
G
G
G
G
G
G
G
K
G
G
G
G
G
G
G
G
G
G
G
G
K
K
K
K
K
K
K
G
G
K
G
G
G
G
G
G
K
K
K
K
K
K
K
K
G
G
G
G
K
G
G
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
M
M
M
M
M
K
K
K
M
M
M
M
M
M
M
K
K
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1. The letter in cell is expressed the symbol of product thickness.  
2. For more information about products with special capacitance or other data, please contact WTC local representative.  
Page 5 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Approval Sheet  
9. RELIABILITY TEST CONDITIONS AND REQUIREMENTS  
Standard  
Method  
No.  
Item  
Test Condition  
Requirements  
1. Visual  
IEC 60384-1  
* No remarkable defect.  
examination 4.1  
and  
* Dimensions to confirm to individual specification  
sheet.  
Dimensions  
2. Capacitance IEC 60384-1 * Class I : (C0G)  
* Capacitance is within specified tolerance.  
* CR means rated capacitance for conform to the E6  
series of preferred values given in IEC 60063.  
4.2.2  
Cap.1000pF, 1.0±0.2Vrms, 1MHz±10%.  
Cap.>1000pF, 1.0±0.2Vrms, 1KHz±10%.  
3. D.F.  
IEC 60384-1  
* Class II : (X7R)  
1.0±0.2Vrms, 1KHz±10%.  
(Dissipation 4.2.3  
Factor)  
Dielectric  
Q/D.F.  
Remark  
Q1000  
Cap.30pF  
Cap.<30pF  
Tangent  
loos angle  
of  
Class I (C0G)  
Q400+20C  
Class II (X7R) D.F.2.5%  
4. Temperature IEC  
Coefficient 60384-21/22  
4.6  
With no electrical load.  
T.C.  
C0G(NP0)  
X7R  
Capacitance Change  
Within ±30ppm/  
Within ±15%  
T.C.  
Operating Temp  
-55~125°C at 25°C  
-55~125°C at 25°C  
C0G(NP0)  
X7R  
5. Voltage proof IEC 60384-14 * To apply voltage :  
* No evidence of damage or flash over during  
test.  
(Dielectric  
Strength)  
4.2.1  
X Capacitor : 1075Vdc (4.3UR).  
Y Capacitor : 1500Vac.  
* Duration : 60 sec.  
* The charge current shall not exceed 0.05A.  
* The voltage shall be raised from the near zero to  
the test voltage a rate not exceeding  
150V(r.m.s.)/sec.  
6. Insulation  
IEC  
Dielectric  
Requirements  
Rated  
Vol.(V)  
>500  
Apply  
Voltage Current Time  
500Vdc 50mA 60 sec.  
Charge Charge  
Resistance 60384-21/22  
100Gor RxC1000-F,  
whichever is smaller  
10Gor RxC500-F,  
whichever is smaller  
4.5.3  
Class I (C0G)  
Class II (X7R)  
7. Solderability IEC  
* Solder temperature: 235±5°C(0201~1210).  
* 75% min. coverage of all metalized area.  
60384-21/22 * Solder temperature: 245±5°C(1808~2225).  
4.10 * Dipping time : 2±0.5 sec.  
8. Resistance IEC 60384-14 * Solder temperature : 260±5°C.  
Dielectric I.R.  
Class I  
Cap. Change  
Q/D.F.  
to Soldering 4.4  
* Dipping time : 10±1 sec.  
Within ±2.5% or  
1G±0.25pF, whichever  
Heat  
IEC  
60384-21/22  
4.9  
* Preheating : 120 to 150°C for 1 minute before  
immerse the capacitor in a eutectic solder.  
* Measurement to be made after keeping at room  
temperature for 24±2 hrs.  
100% of  
initial  
requireme  
nt  
(C0G)  
is larger  
Class II  
(X7R)  
1GWithin ±7.5%  
9. Temperature IEC  
* Conduct the five cycles according to the  
temperatures and time.  
Cycle  
60384-21/22  
4.11  
Step  
Temp.(°C)  
Time(min.)  
30±3  
Cap. Change Q/D.F.  
Within ±2.5%  
Dielectric I.R.  
Class I  
Min. operating  
temp. +0/-3  
1
2
3
4
1.0(Q) ×  
or ±0.25pF,  
whichever is  
larger  
Room temp.  
2~3  
initial  
requirement  
To meet  
(C0G)  
initial  
Max.operating  
temp. +3/-0  
30±3  
require  
ment  
1.5(D.F.) ×  
Within ±7.5% initial  
requirement  
Class II  
(X7R)  
Room temp.  
2~3  
* Measurement to be made after keeping at room  
temperature for 24±2 hrs.  
Page 6 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Standard  
Approval Sheet  
No.  
Item  
Test Condition  
Requirements  
* No remarkable damage.  
Method  
10. Humidity  
IEC 60384-14 * Test temp. : 40±2°C.  
(Damp Heat) 4.12  
Steady State  
* Humidity : 90~95% RH.  
* Test time : 500 +24/-0hrs.  
* Applied voltage : 250Vac.  
* Measurement to be made after keeping at room  
temp. for 24±2 hrs (Class I) and 48±4 hrs (Class  
II).  
Dielectr  
ic  
I.R.  
Cap. Change  
Within ±3.0% or  
±2pF, whichever 0.25%  
is larger  
Q/D.F.  
Class I  
(C0G)  
1Gor  
RxC≥  
25-F,  
whichever  
is  
2.0(D.F.)  
× initial  
requireme  
nt  
Class II  
(X7R)  
Within ±15%  
smaller  
11. Passive  
Flammability 4.17  
IEC 60384-14 * Volume sample: 21.56 mm3  
* Flame exposure time: 5 sec Max.  
* Capacitor didn’t burn at all.  
IEC 60384-1 * Category of flammability : C.  
4.38  
12. Active  
IEC  
* The capacitors applied UR (250Vac). Then each * The cheese cloth shall not burn with a flame.  
sample shall be subjected to 20 discharges from a  
tank capacitor, charge to a voltage that, when  
Flammability 60384-21/22  
4.18  
discharged, plase Ui 2500V for X1Y2 across the  
capacitor under test. The interval between  
successive discharges shall be 5 sec.  
13. High  
IEC 60384-14 * Impulse Voltage :  
* Appearance :  
Temperature 4.14  
Load  
Each individual capacitor shall be subjected to a Vp No mechanical damage.  
= 5.0KV (X1Y2 Class Impulse 5KV) & Vp = 6.0KV * Cap. change :  
(Endurance)  
(X1Y2 Class Impulse 6KV) impulse for three times C0G within ±5% or ±0.5pF, whichever is larger.  
before applied to endurance test.  
* Test temp. : 125±3°C.  
X7R within ±20%.  
* D.F. value :  
* Test time: 1000 +48/-0 hrs.  
* Applied voltage :  
C0G0.25%.  
X7R5.0%.  
X capacitor: 1.25UR (312.5Vac).  
Y capacitor: 1.70UR (425Vac).  
* I.R.1G.  
* Dielectric strength satisfies the specified initial  
Once every hour the voltage shall be increased to value.  
1000Vrms for 0.1 sec.  
* Measurement to be made after keeping at room  
temp. for 24±2 hrs (Class I) and 48±4 hrs (Class  
II).  
14. Resistance IEC  
* Capacitors mounted on a substrate. The board  
shall be bent 1mm with a rate of 1mm/sec.  
* No remarkable damage.  
to Flexure of 60384-21/22  
Dielectric  
Cap. Change  
Substrate  
4.8  
20  
Class I  
(C0G)  
Class II  
(X7R)  
Within ±3.0% or ±2pF, whichever is  
larger  
R = 230  
Within ±12.5%  
50  
(This capacitance change means the change of  
capacitance under specified flexure of substrate  
from the capacitance measured before the test)  
1mm  
45±1  
45±1  
Page 7 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Standard  
Approval Sheet  
No.  
Item  
Test Condition  
Requirements  
* No remarkable damage or removal of the  
Method  
15. Adhesive  
IEC  
Strength of 60384-21/22 * Capacitors mounted on a substrate. A force of 10N terminations.  
Termination 4.15 applied perpendicular to the place of substrate  
IEC 60384-1 and parallel the line joining the center of  
4.13 terminations for 10±1 sec.  
16. Vibration  
IEC 60384-1 * Reflow solder the capacitors on P. C. Board before * No remarkable damage.  
4.17  
test.  
* Cap. change and Q/D.F. : To meet initial spec.  
* Vibration frequency : 10~55 Hz/min.  
* Total amplitude : 1.5mm.  
* Repeat the conditions for 2 hours each in 3  
perpendicular directions.  
17. Impulse  
Voltage  
IEC  
60384-14  
4.13  
* X1 : 4.0KV  
* Y2 : 5.0KV.  
* Number of impulse : 24 max.  
* There shall be no permanent breakdown or  
flashover.  
Page 8 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
                            
                                                  
                                                                        
                                                                                   
                            
                                       
                                                  
                                                             
                                                                                              
                                                                                                         
                                                                        
                                                                                   
                            
                                                  
Multilayer Ceramic Capacitors  
Approval Sheet  
EMBOSSED TAPE DIMENSIONS  
Fig. 2 The dimension of plastic tape  
Fig. 3 The dimension of reel  
Size  
1808  
1.25±0.10  
1812  
1.25±0.10  
2211  
1.60±0.20  
2220  
Chip  
2.50±0.30  
2.80±0.30  
1.40±0.15  
1.60±0.20  
<2.50  
2.00±0.20  
1.60±0.20  
2.00±0.20  
<3.90  
2.50±0.30  
2.00±0.20  
2.50±0.30  
Thickness  
2.00±0.20  
<2.50  
<3.90  
<5.30  
<3.30  
<3.30  
<5.80  
<6.50  
<5.80  
<6.50  
A0  
B0  
<5.30  
<5.30  
<5.30  
<6.50  
<6.50  
0.25±0.10  
<2.50  
0.25±0.10  
<2.50  
0.25±0.10  
<2.50  
0.25±0.10  
<3.50  
0.30±0.10  
<2.50  
0.30±0.10  
<3.50  
0.30±0.10  
<2.50  
0.30±0.10  
<3.50  
T
K0  
W
12.0±0.30  
4.00±0.10  
40.0±0.20  
4.00±0.10  
2.00±0.10  
12.0±0.30  
4.00±0.10  
40.0±0.20  
4.00±0.10  
2.00±0.10  
12.0±0.30  
4.00±0.10  
12.0±0.30  
4.00±0.10  
12.0±0.30  
4.00±0.10  
40.0±0.20  
8.00±0.10  
2.00±0.10  
12.0±0.30  
4.00±0.10  
40.0±0.20  
8.00±0.10  
2.00±0.10  
12.0±0.30  
4.00±0.10  
12.0±0.30  
4.00±0.10  
P0  
40.00±0.20 40.00±0.20  
40.00±0.20 40.00±0.20  
10xP0  
P1  
8.00±0.10  
2.00±0.10  
8.00±0.10  
2.00±0.10  
8.00±0.10  
2.00±0.10  
8.00±0.10  
2.00±0.10  
P2  
1.50+0.10/-0 1.50+0.10/-0 1.50+0.10/-0 1.50+0.10/-0 1.50+0.10/-0 1.50+0.10/-0 1.50+0.10/-0 1.50+0.10/-0  
D0  
D1  
E
1.50±0.10  
1.75±0.10  
5.50±0.10  
1.50±0.10  
1.75±0.10  
5.50±0.10  
1.50±0.10  
1.75±0.10  
5.50±0.10  
1.50±0.10  
1.75±0.10  
5.50±0.10  
1.50±0.10  
1.75±0.10  
5.50±0.10  
1.50±0.10  
1.75±0.10  
5.50±0.10  
1.50±0.10  
1.75±0.10  
5.50±0.10  
1.50±0.10  
1.75±0.10  
5.50±0.10  
F
Size  
1808, 1812, 2211, 2220  
Reel size  
7”  
13”  
C
W1  
A
13.0+0.5/-0.2  
12.4+2.0/-0  
178.0±1.0  
13.0+0.5/-0.2  
12.4+2.0/-0  
330.0±1.0  
100±1.0  
N
60.0+1.0/-0  
Page 9 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Approval Sheet  
APPLICATION NOTES  
Storage  
To prevent the damage of solderability of terminations, the following storage conditions are recommended:  
Indoors under 5 ~ 40°C and 20% ~ 70% RH.  
No harmful gases containing sulfuric acid, ammonia, hydrogen sulfide or chlorine.  
Packaging should not be opened until the capacitors are required for use. If opened, the pack should be  
re-sealed as soon as is practicable. Taped product should be stored out of direct sunlight, which might  
promote deterioration in tape or adhesion performance. The product is recommended to be used within 12  
months after shipment and checked the solderability before use.  
Handling  
Chip capacitors are dense, hard, brittle, and abrasive materials. They are liable to suffer mechanical  
damage, in the form of cracks or chips. Chip Capacitors should be handled with care to avoid contamination  
or damage. To use vacuum or plastic tweezers to pick up or plastic tweezers is recommended for manual  
placement. Tape and reeled packages are suitable for automatic pick and placement machine.  
Preheat  
In order to minimize the risk of thermal shock during soldering, a carefully controlled preheat is required.  
The rate of preheat should not exceed 3°C per secon d.  
Soldering  
Use middy activated rosin RA and RMA fluxes do not use activated flux. The amount of solder in each  
solder joint should be controlled to prevent the damage of chip capacitors caused by the stress between  
solder, chips, and substrate.  
a.) Hand soldering :  
Fig. 4.1 Hand Soldering Profile  
Chip Size  
1206  
Pre-Heat temp.  
150°C  
T  
Max. soldering iron temp.  
150°C  
130°C  
350°C  
280°C  
1210~2225  
150°C  
* Soldering iron tip diameter 1.0 mm and wattage max. 20W.  
* The Capacitors shall be pre-heated and that the temperature gradient between the devices and the tip of the  
soldering iron.  
* The required amount of solder shall be melted on the soldering tip.  
* The tip of iron should not contact the ceramic body directly.  
* The Capacitors shall be cooled gradually at room temperature after soldering.  
* Forced air cooling is not allowed.  
Page 10 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  
Multilayer Ceramic Capacitors  
Approval Sheet  
b.) Reflow soldering :  
Fig. 4.2 Reflow soldering profile  
For Sn/Ag/Cu Series solder paste (Pb-Free)  
Cooling  
After soldering, cool the chips and the substrate gradually to room temperature. Natural cooling in air is  
recommended to minimize stress in the solder joint.  
Cleaning  
All flux residues must be removed by using suitable electronic-grade vapor-cleaning solvents to eliminate  
contamination that could cause electrolytic surface corrosion. Good results can be obtained by using  
ultrasonic cleaning of the solvent. The choice of the proper system is depends upon many factors such as  
component mix, flux, and solder paste and assembly method. The ability of the cleaning system to remove  
flux residues and contamination from under the chips is very important.  
Page 11 of 11  
ASC Safety Certified X1/Y2_(S2)_010X_AS  
May. 2019  

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