DATA SHEET
Product Name Automotive Low Resistance Thick Film Chip Resistors
Part Name CS Series
Uniroyal Electronics Global Co., Ltd.
88 Longteng Road, Economic & Technical Development Zone, Kunshan, Jiangsu, China
Tel
Email
Manufacture Plant
+86 512 5763 1411 / 22 /33
marketing@uni-royal.cn
Uniroyal Electronics Industry (kunshan) co., ltd.
Uniroyal Electronics Industry Co., Ltd.
Uniroyal Electronics Global Co.,Ltd Shenzhen Branch
Aeon Technology Corporation
Uniroyal Electronics Global Co.,Ltd Xiamen Branch
Kunshan Foss Electronic material Co., Ltd.
Royal Electronic Factory (thailand) co., ltd
Brands
RoyalOhm
UniOhm
Automotive Low Resistance Thick Film Chip Resistors - Data Sheet
1. Scope:
1.1 This specification for approve relates to the Automotive Low Resistance Thick Film Chip Resistors manufactured by UNI-ROYAL.
1.2 Ultra-low Value
1.3 Low Temperature Coefficient
1.4 Suitable for reflow & wave soldering
1.5 Application:Power supply
1.6 The test items follow the test standard of AEC-Q200.
2. Part No. System
Part No. includes 14 codes shown as below:
2.1 1st~4th codes: Part name. E.g.: CS02,CS03,CS05,CS06,CS07,CS10,CS11,CS12
2.2 5th~6th codes: Power rating.
E.g.: W=Normal Size
“1~G” = “1~16”
Wattage
1/32
3/4
1/2
1/3
1/4
1/8
1/10
1/16
1/20
1
Normal Size
WH
07
W2
W3
W4
W8
WA
WG
WM
1W
If power rating is lower or equal than 1 watt, 5th code would be “W” and 6th code would be a number or letter.
E.g.: WA=1/10W
W4=1/4W
2.3 7th code: Tolerance. E.g.: D=±0.5%
F=±1%
G=±2%
J=±5%
K= ±10%
2.4 8th~11th codes: Resistance Value.
2.4.1 If value belongs to standard value of ≥5% series, 8th code would be zero,9th~10th codes are significant figures of the resistance and 11th
code is the power of ten.
2.4.2 If value belongs to standard value of ≤2% series, 8th~10th codes are significant figures of the resistance, and 11th code is the power of ten.
2.4.3 11th codes listed as following:
0=100
1=101
2=102
3=103
4=104
5=105
6=106
J=10-1 K=10-2 L=10-3 M=10-4
th
th
2.5 12 ~14 codes.
2.5.1 12th code: Packaging Type. E.g.: C=Bulk
T=Tape/Reel
2.5.2 13th code: Standard Packing Quantity.
4=4000pcs
5=5000pcs
C=10000pcs
D=20000pcs
E=15000pcs
Chip Product: BD=B/B-20000pcs
TC=T/R-10000pcs
2.5.3 14th code: Special features.
E = Environmental Protection, Lead Free, or Standard type.
3.
Ordering Procedure
(Example: CS12 1W ±1% 0.018Ω T/R-4000)
C
S
1 2
Product Type:
Fill-in 4 digits with
the chip resistor
type as follows:
CS02
CS03
CS05
CS06
CS07
CS10
CS11
CS12
1
W
F
Wattage:
Normal size:
WA=1/10W
W8=1/8W
W4=1/4W
W5=1/5W
W3=1/3W
W2=1/2W
07=3/4W
1W=1W
1
8
0
M
T
Resistance Value:
5%(E-24 series):
The 1st digit will be “0”; the 2nd
& 3rd digits are for the significant
figures of the resistance and the
4th digit indicate the numbers of
zeros following.
1%(E-96 series ):
The 1st to 3rd digits are for the
significant figures of the
resistance and 4th digit denotes
number of zeros following.
4
Packing quantity:
1=1000PCS
2=2000PCS
3=3000PCS
4=4000PCS
5=5000PCS
C=10000PCS
D=20000PCS
J=10-1; K=10-2; L=10-3;M=10-4
Tolerance:
F=±1% ; J=±5%
Feb.16,2019 V.3
E
Special Feature
E= Lead-Free
Packing Type:
T=Tape/Reel
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Automotive Low Resistance Thick Film Chip Resistors - Data Sheet
4.
Marking:
(1) For CS02 size. Due to the very CS02 small size
of the resistor’sbody, there is no marking on the
body.
(2) For CS03 size: Below 100mΩ(do not contain)
product 3 digits of ±1%,5%Tolerance , show
as following:
056 0.056Ω
(3) For CS03 size: Above( contain) 100mΩ product:
3 digits, the first digit is “R", which as decimal
point, the 2nd & 3rd digits are significant.
R10 100mΩ
(4) ±1%,5%Tolerance: product below 1Ω show as
following, the first digit is “R", which as
decimal point.
R05050mΩ
(5) ±1%,5%Tolerance: product of 1Ω show as
following, the first digit is “1”, read alphabet
“R”as decimal point.
1R00 1Ω
5. Dimension
Type
Dimension(mm)
L
W
H
A
B
CS02(0402)
1.00±0.10
0.50±0.05
0.35±0.05
0.20±0.10
0.25±0.10
CS03(0603)
1.60±0.10
0.80±0.10
0.45±0.10
0.30±0.20
0.30±0.20
CS05(0805)
2.00±0.15
1.25+0.15/-0.10
0.55±0.10
0.40±0.20
0.40±0.20
CS06(1206)
3.10±0.15
1.55+0.15/-0.10
0.55±0.10
0.45±0.20
0.45±0.20
CS07(1210)
3.10±0.10
2.60±0.20
0.55±0.10
0.50±0.25
0.50±0.20
CS10(2010)
5.00±0.10
2.50±0.20
0.55±0.10
0.60±0.25
0.50±0.20
CS11(1812)
4.50±0.20
3.20±0.20
0.55±0.20
0.50±0.20
0.80±0.30
CS12(2512)
6.35±0.10
3.20±0.20
0.55±0.10
0.60±0.25
0.80±0.30
6. Resistance Range
Type
Power
Rating
at 70℃
Dielectric
withstanding
Voltage
Resistance Range
1%&5%
Operating
Temperature
CS02
1/8W
100V
50mΩ~1Ω
-55℃~155℃
CS03
1/5W
300V
10mΩ~1Ω
-55℃~155℃
CS05
1/4W
500V
10mΩ~1Ω
-55℃~155℃
CS06
1/3W
500V
10mΩ~1Ω
-55℃~155℃
CS07
1/2W
500V
10mΩ~1Ω
-55℃~155℃
CS10
3/4W
500V
10mΩ~1Ω
-55℃~155℃
CS11
3/4W
500V
10mΩ~1Ω
-55℃~155℃
CS12
1W
500V
10mΩ~1Ω
-55℃~155℃
Feb.16,2019 V.3
www.uniohm.com
Page 3/8
Automotive Low Resistance Thick Film Chip Resistors - Data Sheet
7. Recommend the size of welding plate
Type
CS02
CS03
CS05
CS06
CS07
CS10
CS11
CS12
A
0.5±0.05
0.8±0.05
1.0±0.1
2.0±0.1
2.0±0.1
3.6±0.1
2.9±0.1
4.4±0.1
Dimension(mm)
B
C
0.5±0.05
0.6±0.05
1±0.05
0.9±0.05
1±0.1
1.4±0.1
1.1±0.1
1.8±0.1
1.1±0.1
2.9±0.1
1.4±0.1
3±0.1
1.5±0.1
3.7±0.1
2.1±0.1
3.7±0.1
D
1.5±0.05
2.7±0.05
3.4±0.1
4.2±0.1
4.2±0.1
6.4±0.1
5.9±0.1
8.6±0.1
8. Derating Curve
Resistors shall have a power rating based on continuous load operation at an ambient temperature from -55℃ to 70℃. For temperature in excess
of 70℃, the load shall be derated as shown in figure 1
Figure 1
Voltage rating:
Resistors shall have a rated direct-current (DC) continuous working
Voltage or an approximate sine-wave root-mean-square (RMS) alternating-current (AC) continuous working voltage at commercial-line frequency
and waveform corresponding to the power rating, as determined from the following formula:
RCWV = P R
Where: RCWV commercial-line frequency and waveform (Volt.)
P = power rating (WATT.) R = nominal resistance (OHM)
In no case shall the rated DC or RMS AC continuous working voltage be greater than the applicable maximum value.
The overload voltage is 2.5 times RCWV or Max. Overload voltage whichever is less
9. Structure
Feb.16,2019 V.3
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Page 4/8
Automotive Low Resistance Thick Film Chip Resistors - Data Sheet
10. Performance Specification
Characteristic
Limits
Operational life
±1%: ±(1.0%+0.005) Max.
±5%: ±(3.0%+0.005) Max.
Electrical
Characterization
CS02:
50mΩ≤R
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