CSR / CSRN Series
Thick Film Current Sensing Resistors
Features:
Stackpole Electronics, Inc.
Resistive Product Solutions
0402 to 2512 & 1225 sizes available
Power ratings to 3W
Low inductance – less than 0.2nH typically
RoHS compliant / lead-free available (CSF)
Non-standard resistance values available
2010 and 2512 sizes available with narrow terminations (CSRN)
Electrical Specifications
Type / Code Package Type
CSR 1/8S
CSR 1/8
CSR 1/4
CSR 1/2
CSRN 1S
CSR 1
CSRN 1
CSR 2
CSRN 2
CSR 3
1
2
Power Rating
1
(Watts) @ 70ºC
0.125W
0.125W
0.250W
0.500W
1.000W
1.000W
1.000W
2.000W
2.000W
3.000W
2
Dielectric Withstanding
Voltage
200V
200V
200V
200V
200V
200V
200V
200V
200V
200V
Resistance Temperature
Coefficient
±200 ppm/ºC
±300 ppm/ºC
±200 ppm/ºC
±100 ppm/ºC
1
Ohmic Range and Tolerance
1%
0.051Ω - 1Ω
0.021Ω - 1Ω
0.01Ω - 1Ω
0.01Ω - 1Ω
0.01Ω - 0.019Ω
0.02Ω - 0.5Ω
0.01Ω - 1Ω
0.01Ω - 1Ω
0.01Ω - 1Ω
0.01Ω - 1Ω
0.003Ω - 0.02Ω
0.021Ω - 3Ω
2% / 5%
0.051Ω - 1Ω
0.021Ω - 1Ω
0.021Ω - 1Ω
0.01Ω - 1Ω
0.01Ω - 0.019Ω
0.02Ω - 0.5Ω
0.01Ω - 1Ω
0.01Ω - 1Ω
0.01Ω - 1Ω
0.01Ω - 1Ω
0.003Ω - 0.02Ω
0.021Ω - 3Ω
0402
0603
0805
1206
0815
2010
2010
2512
2512
1225
±300 ppm/ºC
±150 ppm/ºC
±100 ppm/ºC
±250 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±100 ppm/ºC
1
Contact factory for TCR on values below 0.05Ω.
Power rating is 1.5W if ambient exceeds 80°C and terminal exceeds 105°C.
Performance Characteristics
Test
Moisture Resistance
Load Life
Leach Resistance
Resistance to Soldering Heat
Solderability
Temperature Cycling
Thermal Shock
Short Time Overload
Insulation Resistance
Operating Temperature Range: -55ºC to +155ºC
Test Specification
± 0.5%
± 0.5%
90 seconds minimum
± 0.5%
minimum 95% coverage
± 0.5%
± 0.5%
± 0.5%
1MΩ minimum
Typical
≤
0.5%
≤
0.5%
> 90 seconds
≤
0.25%
≥
95%
≤
0.5%
≤
0.5%
≤
0.5%
≥
1MΩ
How to Order
SEI Type
Code
Nominal
Resistance
Tolerance
Packaging
CSR
Type
CSR
CSRN
Description
Standard
Narrow Terminations
Code
1/8S
1/8
1/4
1/2
1S
1
2
3
1/2
Wattage
0.125W
0.125W
0.250W
0.500W
1.000W
1.000W
2.000W
3.000W
Size
0402
0603
0805
1206
0815
2010
2512
1225
0.01
1%
Tolerance
1%
2%
5%
SEI Types
1/8S
1/8, 1/4, 1/2
1, 2
1S, 3
1, 2
R
Pkg Qty
10,000
5,000
4,000
2,000
5,000
Description Code
7" reel
13" reel
R
G
Rev Date: 6/15/2009
1
www.seielect.com
marketing@seielect.com
CSR / CSRN Series
Thick Film Current Sensing Resistors
Stackpole Electronics, Inc.
Resistive Product Solutions
Mechanical Specifications
Type / Code
CSR 1/8 S
CSR 1/8
CSR 1/4
CSR 1/2
CSRN 1S
CSR 1
CSRN 1
CSR 2
CSRN 2
CSR 3
L
Body Length
0.039 ± 0.004
0.991 ± 0.102
0.063 ± 0.004
1.600 ± 0.102
0.079 ± 0.008
2.006 ± 0.203
0.120 ± 0.006
3.048 ± 0.152
0.079 ± 0.008
2.000 ± 0.200
0.197 ± 0.008
5.003 ± 0.203
0.197 ± 0.006
5.004 ± 0.152
0.252 ± 0.008
6.401 ± 0.203
0.246 ± 0.006
6.248 ± 0.152
0.125 ± 0.005
3.180 ± 0.127
W
Body Width
0.020 ± 0.004
0.508 ± 0.102
0.032 ± 0.004
0.813 ± 0.102
0.049 ± 0.008
1.245 ± 0.203
0.063 ± 0.008
1.600 ± 0.203
0.148 ± 0.008
3.750 ± 0.200
0.100 ± 0.008
2.540 ± 0.203
0.100 ± 0.006
2.540 ± 0.152
0.126 ± 0.008
3.200 ± 0.203
0.121 ± 0.006
3.073 ± 0.152
0.250 ± 0.005
6.350 ± 0.127
H
Body Height
0.014 ± 0.004
0.35 ± 0.102
0.018 ± 0.004
0.457 ± 0.102
0.016 ± 0.004
0.406 ± 0.102
0.020 ± 0.006
0.508 ± 0.152
0.024 ± 0.004
0.610 ± 0.102
0.020 ± 0.006
0.508 ± 0.152
0.024 ± 0.004
0.610 ± 0.102
0.020 ± 0.006
0.508 ± 0.152
0.023 ± 0.004
0.584 ± 0.102
0.030 ± 0.005
0.900 ± 0.127
a
Top Termination
0.006 ± 0.004
0.152 ± 0.102
0.012 ± 0.008
0.305 ± 0.203
0.016 ± 0.008
0.406 ± 0.203
0.020 ± 0.012
0.510 ± 0.304
0.016 ± 0.008
0.400 ± 0.200
0.067 ± 0.006
1.702 ± 0.152
0.024 ± 0.012
0.610 ± 0.305
0.075 ± 0.006
1.905 ± 0.152
0.023 ± 0.012
0.584 ± 0.305
0.023 ± 0.012
0.584 ± 0.305
b
Bottom Termination
0.006 ± 0.004
0.152 ± 0.102
0.012 ± 0.008
0.305 ± 0.203
0.016 ± 0.008
0.406 ± 0.203
0.016 ± 0.010
0.406 ± 0.254
0.016 ± 0.008
0.400 ± 0.200
0.067 ± 0.006
1.702 ± 0.152
0.020 ± 0.010
0.508 ± 0.254
0.075 ± 0.006
1.905 ± 0.152
0.020 ± 0.010
0.508 ± 0.254
0.020 ± 0.010
0.508 ± 0.254
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Solder Pad Dimensions
Type / Code
CSR 1/8 S
CSR 1/8
CSR 1/4
CSR 1/2
CSRN 1S
CSR 1
CSRN 1
CSR 2
CSRN 2
CSR 3
L
W
D
Total Length Total Width Pad Depth
0.049
1.25
0.060
1.50
0.099
2.50
0.158
4.00
0.149
3.80
0.258
6.54
0.250
6.35
0.315
8.00
0.315
8.00
0.20
5.08
0.025
0.63
0.035
0.90
0.059
1.50
0.079
2.00
0.177
4.50
0.130
3.30
0.145
3.68
0.158
4.00
0.158
4.00
0.30
7.60
0.015
0.38
0.020
0.50
0.055
1.40
0.071
1.80
0.059
1.50
0.071
1.80
0.055
1.40
0.079
2.00
0.055
1.40
0.080
2.00
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
CSR3 (1225)
4 Terminal Bottom
Rev Date: 6/15/2009
2
www.seielect.com
marketing@seielect.com
FPGA/CPLD
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