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Durable current sensing resistor BOURNS CSM2F-8518-L050J31 with plated sense pins and low inductance

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Durable current sensing resistor BOURNS CSM2F-8518-L050J31 with plated sense pins and low inductance

Power(Watts) : 36W

Resistance : 0.05mΩ

Type : Shunt

Temperature Coefficient : ±150ppm/℃

Tolerance : ±5%

Description : 36W 0.05mΩ Shunt ±150ppm/℃ ±5% Through Hole Specialized Resistors RoHS

Mfr. Part # : CSM2F-8518-L050J31

Model Number : CSM2F-8518-L050J31

Package : Through Hole

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Product Overview

The CSM2F-8518 Series is a high-performance shunt resistor designed for accurate current sensing in demanding applications. Featuring sense pins and tinned terminals, this RoHS and AEC-Q200 compliant component offers up to 36 W of permanent power and a high pulse power rating. Its robust construction supports a maximum fastening torque of 25 Nm. Ideal for battery management systems, electric and hybrid vehicles, bus bars, welding equipment, and frequency converters, the CSM2F-8518 Series provides reliable current measurement with excellent environmental resistance.

Product Attributes

Brand: Bourns
Certifications: RoHS Directive 2015/863, AEC-Q200 Compliant
Terminal Finishing: Tinned Terminals, Plated Sense Pins
Moisture Sensitivity Level: 1
ESD Classification: Level 6 per AEC-Q200-002 ( 25,000 V air discharge)

Technical Specifications

Characteristic	Model	Resistance Range / Power Rating @ 125 C	Operating Temperature Range	TCR on Test Points (+20 C to +130 C)	TCR Resistance Alloy	Inductance	Resistance Tolerance
CSM2F-8518 with Sense Pins	CSM2F-8518	50 / 36 W 100 / 36 W	-40 ~ +170	150 ppm/C for 50 and 100	< 50 ppm/C	< 5 nH	5 %

Environmental Characteristics	Test Condition	DTR Max.
Thermal Shock	-55 C to +150 C / 1000 cycles	0.5 %
High Temperature Exposure	+170 C / 1000 hours	1.0 %
Low Temperature Storage	-65 C / 1000 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	+125 C / 2000 hours at maximum current rating	1.0 %
Solderability*	J-STD-002	95 % coverage min.

How to Order

CSM 2F - 8518 - L050 J 2 1

Model No.: CSM2F-8518
Number of Terminals & Style: 2 or 3
Size (Metric): 8518
Resistance Code (Milliohms): L050 = 50 MicroOhms, L100 = 100 MicroOhms
Resistance Tolerance: J = 5 %
Number of Pins: 2 or 3
Surface Finishing: 1 = Tinned Terminals

Product Dimensions

Part Number	Dim A (mm/in)	Dim B (mm/in)	Dim C (mm/in)
CSM2F-8518-L050J21	4.70 (.185)	7.80 (.307)
CSM2F-8518-L100J21	9.40 (.370)	12.50 (.492)
CSM2F-8518-L050J31	4.70 (.185)	7.80 (.307)	5.59 (.220)
CSM2F-8518-L100J31	9.40 (.370)	12.50 (.492)	5.59 (.220)

Dimensions: MM (INCHES)

Packaging Specifications

Tray Pack: 24 pcs. per high impact polystyrene tray
Box: 168 pcs. per box
Tray Size: 460 mm x 320 mm (18.110 in. x 12.598 in.)

2411272238_BOURNS-CSM2F-8518-L050J31_C5629968.pdf

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