CSM2F-8518 Series Datasheet by Bourns Inc.

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Model CSM2F-8518 Series Current Sense Resistor w/Tinned Terminals
*RoHS and
AEC-Q200 COMPLIANT
Features
n Tinned terminals
n Up to 36 W permanent power
n High pulse power rating
n Maximum fastening torque: 10 Nm
n Customized versions available
n AEC-Q200 and RoHS* compliant
Applications
n Current sensing for battery management
systems
n Current sensing in bus bars
n Current sensing in welding equipment
n Frequency converters
Electrical Characteristics
Characteristic Model CSM2F-8518 Series
Resistance Range /
Power Rating @ 70 °C**
50 µΩ / 36 W
100 µΩ / 36 W
Operating Temperature Range -40 ℃ to +170 ℃
TCR on Test Points ±150 ppm/°C for 50 µΩ
±125 ppm/°C for 100 µΩ
TCR Resistance Alloy*** < 50 ppm/°C
Thermal EMF (µV/K) < 0.25 for 50 µΩ
< 1.50 for 100 µΩ
Resistance Tolerance ±1 %, ±5 %
** Terminal temperature
*** For full TCR range, refer to TCR curve.
CSM 2F - 8518 - L050 J 0 1
Model
No. of Terminals & Style
Size (Metric)
Resistance Code (Milliohms)
“L” Represents Decimal Point
L050 = 50 MicroOhms
Resistance Tolerance
F = ±1%
J = ±5 %
Packaging
0 = Bulk Pack (50 pcs. per bag)
T = Tray Pack (32 pcs. per tray)
Surface Finishing
1 = Tinned Terminals
How to Order
Environmental Characteristics
Characteristic Test Condition DTR Max.
Thermal Shock -55 to +150 °C / 1000 cycles ±1.0 %
Resistance to Soldering Heat +260 °C / 10 seconds ±0.5 %
High Temperature Exposure +170 °C / 1000 hours ±1.5 %
Low Temperature Storage -65 °C/ 24 hours ±0.5 %
Biased Humidity Test +85 °C, 85 % RH, 10 % bias, 1000 hours ±0.5 %
Mechanical Shock 100 g, 6 milliseconds, 5 pulses ±0.5 %
Vibration, High Frequency 10-2000 Hz in 1 minute, 3 directions, 12 hours ±0.5 %
Load Life 1000 hours, derated at 70 °C ±1.0 %
Solderability J-STD-002 95 % coverage min.
Short time Overload 5 times rated power for 5 seconds ±0.5 %
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last
page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
WARNING Cancer
and Reproductive Harm
www.P65Warnings.ca.gov
Additional Information
Click these links for more information:
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BOURNS can, nuaaguzu (a m: \2 362 g n max \fl7327 ,» n max ’ 2 an (n max 7 man
Model CSM2F-8518 Series Current Sense Resistor w/Tinned Terminals
Product Dimensions
85.00 ± 0.40
(3.346 ± 0.016)
60.00 ± 0.20
(2.362 ± 0.008)
2.00
(0.079)
RESISTIVE
MATERIAL
18.00 ± 0.20
(0.709 ± 0.008)
B
12.50
(0.492)
VOLTAGE TEST
POINTS
5.0
(0.197)
45 ° X
CHAMFER
1 PLACE
2.0
(0.079)
45 ° X
CHAMFER
TYP.
3 PLCS.
8.30 ± 0.10
(0.327 ± 0.004)
DIA. 2 PLCS.
A
OPTIONAL
TRIMMING
2 PLCS.
3.00
(0.118)
BASE MATERIAL
C10200 (NOTE 1)
NOTES:
1. Tinned Terminals: 100 % Sn,
RoHS Complaint, JESD201 Class-2,
ST200 Process, 2.5 -8 micrometers,
NI underplate 1.5- 4 micrometers.
2. Base Material Copper: C10200 Temper
1/2 Hard.
Part Number Dim A Dim B
CSM2F-8518-L050Jxx 4.70
(.185)
7.87
(.310)
CSM2F-8518-L100Jxx 9.40
(.370)
12.57
(.495)
DIMENSIONS: MM
(INCHES)
TOLERANCES: 0.25
(.010)
UNLESS OTHERWISE NOTED
TCR Curves
-0.80
-0.60
-0.40
-0.20
0
0.20
0.40
0.60
0.80
-50 -40 -30 -20-25 -10 02530405075 100 125 150 170
dR / R25 (%)
Temperature (°C)
Material Chart
±50 PPM
Temperature Coefficient
Temperature Dependence for Resistive Material
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
BOURNS ‘ 3L gum $261 BOURNS “’
Model CSM2F-8518 Series Current Sense Resistor w/Tinned Terminals
Power Derating Curve
Power Ratio (%)
Terminal Temperature (°C)
120
100
80
60
40
20
0
0 20 40 60 80 100 120 140 160 180
125 °C
Packaging Specifications
Bulk Pack..................................................50 pcs. per plastic bag
100 pcs. per box
Tray Pack ..................... 32 pcs. per high impact polysterene tray
224 pcs. per box
Size.............................. 246 mm x 246 mm (9.685 in. x 9.685 in.)
Reference Pad for SMD Mounting
VOLTAGE
SENSE PADS
SOLDERING AREAS
FOR PCB
General Specifications
Moisture Sensitivity Level ...........................................................1
ESD Classification ............................................................ Level 6
per AEC-Q200-002,
≥ 25,000 V air discharge
REV. 2/21
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
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