Product Overview
The CSM2F-6918 Series is a high-performance shunt resistor designed for robust current sensing applications. Featuring plated sense pins and bare copper terminals, this RoHS and AEC-Q200 compliant resistor offers up to 36 W of permanent power and a high pulse power rating. It is ideal for demanding environments such as battery management systems, current sensing in hybrid and electric vehicles, bus bars, welding equipment, and frequency converters.
Product Attributes
- Brand: Bourns
- Series: CSM2F-6918
- Certifications: RoHS compliant, AEC-Q200 compliant
- Terminal Finishing: Bare Copper
- Sense Pins: Plated
- Power Handling: Up to 36 W permanent power
- Pulse Power: High pulse power rating
- Fastening Torque: Maximum 25 Nm
- Customization: Customized versions available
- Material: Resistive Alloy
- Moisture Sensitivity Level: 1
- ESD Classification: Level 6 per AEC-Q200-002, 25,000 V air discharge
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 | 5 % | |
| 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. |
| Packaging | Tray Pack | 30 pcs. per high impact polystyrene tray, 210 pcs. per box |
| Packaging Size | 460 mm x 320 mm (18.110 in. x 12.598 in.) | |
| Product Dimensions (Model CSM2F-6918-L050J20) | Dim A | 4.70 (.185) |
| Dim B | 7.80 (.307) | |
| Dim C | ||
| Product Dimensions (Model CSM2F-6918-L100J20) | Dim A | 9.40 (.370) |
| Dim B | 12.50 (.492) | |
| Dim C | ||
| Product Dimensions (Model CSM2F-6918-L200J20) | Dim A | 20.0 (.787) |
| Dim B | 23.10 (.909) | |
| Dim C | ||
| Product Dimensions (Model CSM2F-6918-L050J30) | Dim A | 4.70 (.185) |
| Dim B | 7.80 (.307) | |
| Dim C | 5.59 (.220) | |
| Product Dimensions (Model CSM2F-6918-L100J30) | Dim A | 9.40 (.370) |
| Dim B | 12.50 (.492) | |
| Dim C | 5.59 (.220) | |
| Product Dimensions (Model CSM2F-6918-L200J30) | Dim A | 20.0 (.787) |
| Dim B | 23.10 (.909) | |
| Dim C | 5.59 (.220) | |
| General Dimensions | Overall Height (approx.) | 6.60 0.10 (.260 .004) DIA. (2 PLCS) |
| Terminal Hole Diameter (approx.) | 1.00 0.10 (.039 .004) DIA. (3 PLCS) | |
| Main Body Length (approx.) | 69.00 0.40 (2.717 .016) | |
| Terminal Width (approx.) | 8.00 0.20 (.315 .008) | |
| Mounting Hole Spacing (approx.) | 52.00 (2.047) | |
| Terminal to Terminal Spacing (approx.) | 18.00 0.20 (.709 .008) |
2411272306_BOURNS-CSM2F-6918-L100J20_C6888605.pdf
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible