CSM2F-6918-1 BOURNS | Alldatasheet

Document overview

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Technical content

Features

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 hybrid & electric vehicles - Battery management systems n Current sensing in bus bars n Current sensing in welding equipment n Frequency converters

Electrical Characteristics

Characteristic Model CSM2F-6918 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 TCR Resistance Alloy* < 50 ppm/°C Thermal EMF (µV/K) < 0.25 for 50 µΩ Resistance Tolerance ±5 % Terminal temperature * For full TCR range, refer to TCR curve. CSM 2F - 6918 - L050 J 0 1 Model No. of Terminals & Style Size (Metric) Resistance Code (Milliohms) “L” Represents Decimal Point L050 = 50 MicroOhms L100 = 100 MicroOhms Resistance Tolerance J = ±5 % Packaging 0 = Bulk Pack (50 pcs. per bag) T = Tray Pack (52 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 at max. load, derated at 70 °C ±1.0 % Solderability J-STD-002 95 % coverage min. *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: PRODUCT TECHNICAL LIBRARY INVENTORY SAMPLES CONTACT AUTOMOTIVE GRADE

Model CSM2F-6918 Series Current Sense Resistor w/Tinned Terminals Product Dimensions 69.00 ± 0.40 (2.717 ± 0.016) 52.00 ± 0.20 (2.047 ± 0.008) RESISTIVE MATERIAL 3.00 (0.118) 18.00 ± 0.20 (0.709 ± 0.008) 8.50 (0.335) VOLTAGE TEST POINTS RESISTOR WIDTH BASE MATERIAL C10200 (NOTE 1) OPTIONAL TRIMMING 2 PLCS.5.0 (0.197) 45 ° X CHAMFER

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2.0 (0.079) 45 ° X CHAMFER TYP. 3 PLCS. 6.60 ± 0.10 (0.260 ± 0.004) DIA. 2 PLCS. 7.87 ± 0.15 (0.310 ± 0.006) 4.7 (0.185) 2.00 (0.079) DIMENSIONS: MM (INCHES) TOLERANCES: 0.25 (.010) UNLESS OTHERWISE NOTED 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. TCR Curves 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. -0.80 -0.60 -0.40 -0.20 0.20 0.40 0.60 0.80 -50 -40 -30 -20-25 -10 02 53 04 05 07 5 100 125 150 170 dR / R25 (%) Temperature (°C) Material Chart ±50 PPM Temperature Coefficient Temperature Dependence for Resistive Material

Model CSM2F-6918 Series Current Sense Resistor w/Tinned Terminals Power Derating CurvePower Ratio (%) Terminal Temperature (°C) 120 100 0 20 40 60 80 100 120 140 160 180 125 °C Reference Pad for SMD Mounting VOLTAGE SENSE PADS SOLDERING AREAS FOR PCB General Specifications per AEC-Q200-002, ≥ 25,000 V air discharge Packaging Specifications 100 pcs. per box 260 pcs. per box REV. 04/22 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. Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com www.bourns.com