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-6918 Series Current Sense Resistor Electrical Characteristics How to Order CSM 2F - 6918 - L050 J 01 Characteristic Model CSM2F-6918 Series Model Resistance Range / 50 MicroOhms / 36 Watts No. of Terminals Power Rating 70 C** & Style Operating Temperature Range -40 C to +170 C Size (Metric) TCR on Test Points 150 PPM/C Resistance Code (Milliohms) TCR Resistance Alloy*** < 50 PPM/C L Represents Decimal Point Thermal EMF (V/K) < 0.25 for 50 MicroOhms L050 = 50 MicroOhms Resistance Tolerance 5 % Resistance Tolerance J = 5 % ** Terminal temperature *** For full TCR range, refer to TCR curve. Packaging 01 = Bulk Pack (50 pcs. per bag) T1 = Tray Pack (52 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 at max. load, 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-6918 Series Current Sense Resistor Product Dimensions 8.50 52.00 0.20 45 X (0.335) (2.047 0.008) NOTES: 2.0 BASE MATERIAL (0.079) (NOTE 1) C10200 1. Tinned Terminals: 100 % Sn, OPTIONAL CHAMFER 45 X TRIMMING VOLTAGE TEST TYP. RoHS Complaint, JESD201 Class-2, 5.0 2 PLCS. POINTS 3 PLCS. (0.197) 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) 1/2 Hard. 6.60 0.10 (0.260 0.004) DIA. 2 PLCS. 4.7 RESISTOR WIDTH (0.185) 7.87 0.15 (0.310 0.006) 69.00 0.40 3.00 (2.717 0.016) 2.00 (0.118) (0.079) RESISTIVE MATERIAL 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 100 125 150 170 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 (%)