Features Applications n Up to 36 W permanent power n Current sensing for hybrid & electric vehicles - Battery management systems n High pulse power rating n Current sensing in bus bars n Maximum fastening torque: 10 Nm n Current sensing in welding equipment n Tinned terminals n Frequency converters n Customized versions available n AEC-Q200 and RoHS* compliant Model CSM2F-8518 Series Current Sense Resistor Electrical Characteristics How to Order CSM 2F - 8518 - L050 J 01 Characteristic Model CSM2F-8518 Series Model Resistance Range / 50 MicroOhms / 36 Watts No. of Terminals Power Rating 70 C** 100 MicroOhms / 36 Watts & Style Operating Temperature Range -40 C to +170 C Size (Metric) 150 PPM/C for 50 MicroOhms TCR on Test Points 125 PPM/C for 100 MicroOhms Resistance Code (Milliohms) L Represents Decimal Point TCR Resistance Alloy*** < 50 PPM/C L050 = 50 MicroOhms Thermal EMF (V/K) < 0.25 for 50 MicroOhms L100 = 100 MicroOhms < 1.50 for 100 MicroOhms Resistance Tolerance Resistance Tolerance 5 % J = 5 % ** Terminal temperature Packaging *** For full TCR range, refer to TCR curve. 01 = Bulk Pack (50 pcs. per bag) T1 = Tray Pack (32 pcs. per tray) 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 % Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com EMEA: Tel: +36 88 520 390 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com *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,www.bourns.com/docs/legal/disclaimer.pdf and at . *RoHS and AEC-Q200 COMPLIANT Model CSM2F-8518 Series Current Sense Resistor Product Dimensions 12.50 60.00 0.20 (0.492) (2.362 0.008) 45 X NOTES: BASE MATERIAL 2.0 (NOTE 1) A C10200 (0.079) 1. Tinned Terminals: 100 % Sn, 45 X OPTIONAL CHAMFER 5.0 VOLTAGE TEST RoHS Complaint, JESD201 Class-2, TRIMMING TYP. POINTS (0.197) 2 PLCS. 3 PLCS. ST200 Process, 2.5 -8 micrometers, CHAMFER NI underplate 1.5- 4 micrometers. 1 PLACE 18.00 0.20 2. Base Material Copper: C10200 Temper (0.709 0.008) 8.30 0.10 1/2 Hard. (0.327 0.004) DIA. 2 PLCS. B Part Number Dim. A Dim. B 4.70 7.87 CSS2F-8518-L050Jxx 85.00 0.40 (0.185) (0.310) 3.00 (3.346 0.016) (0.118) 9.40 12.57 CSS2F-8518-L100Jxx (0.370) (0.495) RESISTIVE 2.00 MATERIAL (0.079) 0.25 MM DIMENSIONS: TOLERANCES: UNLESS OTHERWISE NOTED (INCHES) (0.010) TCR Curves 0.80 Temperature Dependence for Resistive Material 0.60 0.40 0.20 0 -0.20 -0.40 Material Chart 50 PPM -0.60 Temperature Coefficient -0.80 -50 -40 -30 -25 -20 -10 02530405075 100 125 170 150 Temperature (C) 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,www.bourns.com/docs/legal/disclaimer.pdf and at . dR / R25 (%)