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MK08S34R8DTL

更新时间：2025-07-02 09:54:26
品牌：WALSIN
描述：0805(2012), 34.8Ω, ±0.5%, 1/3W

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MK08S34R8DTL 概述

0805(2012), 34.8Ω, ±0.5%, 1/3W

MK08S34R8DTL 数据手册

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Approval sheet  
MK06S, MK08S  
0.5%, 1%, 5%  
Thick Film Power Surge Chip Resistors  
High Grade AEC Q200 Qualified  
Anti-Sulfuration  
Size 0603, 0805  
*Contents in this sheet are subject to change without prior notice.  
Page 1 of 8  
ASC_MKxxS_AUTO_V02  
APR 2017  
Approval sheet  
FEATURE  
1. Power rating and compact size  
2. High reliability and stability  
3. Reduced size of final equipment  
4. High anti-surge protection  
5. Halogen free  
6. Automotive high grade AEC Q-200 qualified  
7. Anti-sulfuration against ASTM B-809 60’C, 95% RH, 1000hrs  
APPLICATION  
Power supply  
Measurement instrument  
Automotive industry  
Medical or Military equipment  
DESCRIPTION  
The resistors are constructed in a high grade ceramic body (aluminum oxide). Internal electrodes are added at  
each end and connected by a resistive paste that is applied to the top surface of the substrate. The composition  
of the paste is adjusted to request resistance to nominal value within tolerance which controlled by printing  
process in this resistive layer.  
The resistive layer is covered with a protective coat. Finally, the two external end terminations are added. For  
ease of soldering the outer layer of these end terminations is a Tin (Pb free) alloy.  
Fig 1. Construction of Chip-R MKxxS  
Page 2 of 8  
ASC_MKxxS_AUTO_V02  
APR 2017  
Approval sheet  
QUICK REFERENCE DATA  
Item  
Series No.  
General Specification  
MK06S  
General Specification  
MK08S  
0603 (1608)  
0805 (2012)  
Size code  
Resistance Tolerance  
0.5% 1%, (E24+E96)  
5%, (E24)  
0.5% 1%, (E24+E96)  
5%, (E24)  
Resistance Range  
1~ 1M  
1~ 1M  
TCR (ppm/C)  
100 ppm /C  
200 ppm /C  
1/4W  
100 ppm /C  
200 ppm /C  
1/3W  
10~ 1M  
1~ 9.76  
Max. dissipation at Tamb=70C  
Max. Operation Voltage  
Max. Overload Voltage  
Operation temperature  
150V  
300V  
200V  
400V  
- 55 ~ +155’C  
- 55 ~ +155’C  
Note :  
1.  
This is the maximum voltage that may be continuously supplied to the resistor element, see “IEC publication  
60115-8”  
2.  
Max. Operation Voltage : So called RCWV (Rated Continuous Working Voltage) is determined by  
or Max. RCWV listed above, whichever is lower.  
RCWV RatedPowerResistance Value  
MECHANICAL DATA(unit : mm)  
1 0 1  
Symbol  
MK06S  
MK08S  
L
W
T
1.60 0.10  
2.00 0.10  
1.25 0.10  
0.55 0.10  
0.30 0.20  
0.40 0.20  
0.80 +0.15/-0.05  
0.45 0.10  
0.25 0.10  
0.30 0.10  
Tt  
Tb  
Page 3 of 8  
ASC_MKxxS_AUTO_V02  
APR 2017  
Approval sheet  
MARKING  
1.  
For 0805, each resistor is marked with 3 digits or 4 digits on the protective coating to  
designate the nominal resistance value. E24 series: 3 digits; E96 series: 4 digits. In case  
E96 overlaps with E24, 3 digits should be marked.  
2.  
3.  
For 0603 E24, each resistor is marked with 3 digits. No marking for E96!  
Example as below  
Single pulse limiting power chart  
De-rating curve  
The power that the resistor can dissipate depends on the operating temperature; see Fig.2  
Page 4 of 8  
ASC_MKxxS_AUTO_V02  
APR 2017  
Approval sheet  
MOUNTING  
Due to their rectangular shapes and small tolerances, Surface Mountable Resistors are suitable for handling by  
automatic placement systems.  
Chip placement can be on ceramic substrates and printed-circuit boards (PCBs).  
Electrical connection to the circuit is by individual soldering condition.  
The end terminations guarantee a reliable contact.  
SOLDERING CONDITION  
The robust construction of chip  
resistors allows them to be completely  
immersed in a solder bath of 260C for  
10 seconds. Therefore, it is possible to  
mount Surface Mount Resistors on one  
side of a PCB and other discrete  
components on the reverse (mixed  
PCBs).  
Surface Mount Resistors are tested for  
solderability at 235C during  
2
seconds. The test condition for no  
leaching is 260C for 30 seconds.  
Typical  
examples  
of  
soldering  
processes that provide reliable joints  
without any damage are given in Fig 3.  
Fig 3. Infrared soldering profile for Chip Resistors  
CATALOGUE NUMBERS  
The resistors have a catalogue number starting with .  
MK06  
S
472_  
J
T
L
Size code  
Type code  
S : surge  
Resistance code  
Tolerance  
J: 5%  
Packaging code  
Termination code  
MK06 : 0603  
MK08: 0805  
E24 :  
3
significant  
T : 7” Reeled  
L
= Sn base (lead  
digits followed by  
no. of zeros and a  
blank  
taping  
free)  
F: 1%  
D: 0.5%  
472 = 4K7  
Taping quantity  
0603/0805 Chip resistors 5,000 pcs paper tape per 7” reel.  
-
Page 5 of 8  
ASC_MKxxS_AUTO_V02  
APR 2017  
Approval sheet  
TEST AND REQUIREMENTS(JIS C 5201-1 : 1998)  
TEST  
PROCEDURE  
REQUIREMENT  
High temperature  
exposure  
155ºC, no load, 1000hours  
R/R max. (1%+0.05)  
no visible damage  
MIL-STD-202 method  
108  
30 minutes at -55C3C, 2~3 minutes at 20°C+5°C-1°C, 30  
minutes at +155C3C, 2~3 minutes at 20°C+5°C-1°C, total  
1000 cycles  
no visible damage  
Temperature cycling  
AEC Q200-4  
R/R max. ±(0.5%+0.05)  
Bias Humidity  
1000 hours, at 10% rated continuous power in humidity  
chamber controller at 85C2C and 85% relative humidity,  
R/R max. (1%+0.05)  
MIL-STD-202 method  
103  
no visible damage  
Operational Life  
MIL-STD-202 method  
108  
1000+48/-0 hours; 35% of operation power, 1252C  
R/R max. (1%+0.05)  
no visible damage  
Solvent: 2−propanol at 25℃  
Immersion time: 3 min  
Brush: 10 times brushing  
Resistance to Solvent  
MIL-STD-202 method  
215  
R/R max. ±(0.5%+0.05)  
no visible damage  
Immersion and brush cycle: 3cycle  
Mechanical Shock  
MIL-STD-202 method  
213  
Waveform: half sine,  
Peak value100G,  
Normal duration 6ms  
Condition: XX'YY'ZZ', 10times each  
Peak acceleration and Sweep time: 5 g's for 20  
min , Frequency 10Hz to 2000Hz,  
Condition: 12 cycles each of 3 orientations  
R/R max. ±(0.5%+0.05)  
no visible damage  
Vibration  
MIL-STD-202 method  
204  
R/R max. ±(0.5%+0.05)  
no visible damage  
Un-mounted chips completely immersed for 10±1second in a  
solder bath at 260℃±5ºC  
Resistance to soldering  
heat (R.S.H) MIL-STD-  
202 method 210  
R/R max. ±(0.5%+0.05)  
no visible damage  
Human body model, 2 Kohm, 150 pF,  
Test voltage: 2KV  
ESD test  
R/R max. (1%+0.05)  
no visible damage  
JIS-STD-002  
a) Bake the sample for 155 ºC dwell time 4hrs /  
solder dipping 235ºC/ 5s. Solder: Sn96.5-Ag3-Cu0.5  
b) Solder dipping 215ºC/ 5s. Solder: Sn63Pb37  
good tinning (>95% covered)  
no visible damage  
Solderability  
JIS-STD-002  
c) Solder dipping 260ºC/ 7s.  
Natural resistance change per change in degree centigrade.  
Refer to “QUICK  
REFERENCE DATA”  
Temperature Coefficient  
of Resistance(T.C.R)  
R2 R  
106 (ppm/C) t1 : 20°C+5°C-1°C  
1
Clause 4.8  
R
1t2 t1  
R1 : Resistance at reference temperature  
R2 : Resistance at test temperature +155’C  
Bending strength  
Resistors mounted on a 90mm glass epoxy resin PCB(FR4);  
bending : 2 mm, once for 60 seconds  
R/R max. ±(0.5%+0.05)  
no visible damage  
AEC Q200-005  
Adhesion  
Pressurizing force: 10N for 0603; 17.7N for 0805,  
R/R max. ±(0.5%+0.05)  
AEC Q200-006  
Test time: 60±1sec.  
No remarkable damage or  
removal of the terminations  
Page 6 of 8  
ASC_MKxxS_AUTO_V02  
APR 2017  
Approval sheet  
ASTM B-809-95  
Sulfur vapor  
Test temp.: 60C  
Relative humidity: 95%  
Sulfuration test  
ASTM B-809-95  
R/R max. ±(1%+0.05)  
no visible damage  
Test period: 1000h  
Page 7 of 8  
ASC_MKxxS_AUTO_V02  
APR 2017  
Approval sheet  
PACKAGING  
Tape specifications (unit :mm)  
Series No.  
MK06S  
A
B
W
F
E
1.90±0.20  
1.15±0.15  
8.00±0.30  
3.50±0.05  
1.75±0.10  
2.50±0.20  
1.65±0.15  
8.00±0.30  
3.50±0.05  
1.75±0.10  
MK08S  
Series No.  
MK06S  
P1  
P0  
T
D  
0.1  
4.00±0.10  
4.00±0.10  
Max. 0.8  
1.50  
0.0  
0.1  
0.0  
4.00±0.10  
4.00±0.10  
MK08S  
Max. 1.0  
1.50  
Reel dimensions  
Reel / Tape  
7” reel for 8mm tape  
A
B
C
D
13.0±0.2  
9+1.0/0  
180.0+0/-1.5  
60.0+1/0  
Taping quantity  
- 0603/0805 Chip resistors 5,000 pcs paper tape per 7” reel.  
Page 8 of 8  
ASC_MKxxS_AUTO_V02  
APR 2017  

MK08S34R8DTL 相关器件

型号 制造商 描述 价格 文档
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MK08S3570FTL WALSIN 0805(2012), 357Ω, ±1%, 1/3W 获取价格
MK08S3571DTL WALSIN 0805(2012), 3570Ω, ±0.5%, 1/3W 获取价格
MK08S3571FTL WALSIN 0805(2012), 3570Ω, ±1%, 1/3W 获取价格
MK08S3572DTL WALSIN 0805(2012), 35700Ω, ±0.5%, 1/3W 获取价格
MK08S3572FTL WALSIN 0805(2012), 35700Ω, ±1%, 1/3W 获取价格
MK08S3573DTL WALSIN 0805(2012), 357000Ω, ±0.5%, 1/3W 获取价格
MK08S3573FTL WALSIN 0805(2012), 357000Ω, ±1%, 1/3W 获取价格
MK08S35R7DTL WALSIN 0805(2012), 35.7Ω, ±0.5%, 1/3W 获取价格

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