Product Overview
The CSM2F-6918 Series is a high-performance shunt resistor designed for accurate current sensing. Featuring plated sense pins and bare copper terminals, this RoHS and AEC-Q200 compliant device offers up to 36 W permanent power and a high pulse power rating. It is engineered for demanding applications such as battery management systems, current sensing in hybrid and electric vehicles, bus bars, welding equipment, and frequency converters. The resistor provides a maximum fastening torque of 25 Nm and is available in customized versions.
Product Attributes
- Brand: Bourns
- Series: CSM2F-6918
- Certifications: RoHS compliant, AEC-Q200 compliant
- Terminal Finishing: Bare Copper
- Sense Pins: Plated (Nickel barrier and 100% Sn)
- Automotive Grade: Yes
Technical Specifications
| Characteristic | Model / Specification | Value | |
|---|---|---|---|
| Resistance Range / Power Rating @ 125 C | CSM2F-6918 with Sense Pins | 50 / 36 W | |
| 100 / 36 W | |||
| 200 / 36 W | |||
| Operating Temperature Range | -40 C ~ +170 C | ||
| TCR on Test Points (+20 C to +130 C) | for 50 | 100 ppm/C | |
| for 100 and 200 | 50 ppm/C | ||
| TCR Resistance Alloy | < 50 ppm/C | ||
| Inductance | < 5 nH | ||
| Resistance Tolerance | J | 5 % | |
| Maximum Fastening Torque | 25 Nm | ||
| Permanent Power | Up to | 36 W | |
| Moisture Sensitivity Level | 1 | ||
| ESD Classification | Level 6 per AEC-Q200-002, 25,000 V air discharge | ||
| Environmental Characteristics (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. | |
| Part Number Examples: | |||
| Model | Dim A (mm / in) | Dim B (mm / in) | Dim C (mm / in) |
| CSM2F-6918-L050J20 | 4.70 / .185 | 7.80 / .307 | |
| CSM2F-6918-L100J20 | 9.40 / .370 | 12.50 / .492 | |
| CSM2F-6918-L200J20 | 20.0 / .787 | 23.10 / .909 | |
| CSM2F-6918-L050J30 | 4.70 / .185 | 7.80 / .307 | 5.59 / .220 |
| CSM2F-6918-L100J30 | 9.40 / .370 | 12.50 / .492 | 5.59 / .220 |
| CSM2F-6918-L200J30 | 20.0 / .787 | 23.10 / .909 | 5.59 / .220 |
| Packaging Specifications: | |||
| Tray Pack | 30 pcs. per high impact polystyrene tray | ||
| Box | 210 pcs. per box | ||
| Size | 460 mm x 320 mm (18.110 in. x 12.598 in.) | ||
2411272306_BOURNS-CSM2F-6918-L200J30_C6768734.pdf
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