Product Overview
The Bourns CSM2F-6918 Series is a high-performance current sense resistor designed with bare copper terminals. It offers up to 36 W of permanent power and a high pulse power rating, making it suitable for demanding applications. This series is RoHS and AEC-Q200 compliant, ensuring quality and reliability for automotive and industrial use. Key applications include battery management systems, current sensing in hybrid and electric vehicles, bus bars, welding equipment, and frequency converters.
Product Attributes
- Brand: Bourns
- Terminals: Bare Copper
- Certifications: RoHS Compliant, AEC-Q200 Compliant
- Lead Free: Yes
- Customized Versions: Available
Technical Specifications
| Characteristic | Model | Resistance Range / Power Rating @ 70 C | Operating Temperature Range | TCR on Test Points (+20 C to +130 C) | TCR Resistance Alloy | Inductance | Resistance Tolerance | Environmental Characteristics (Test Condition) | DTR Max. |
|---|---|---|---|---|---|---|---|---|---|
| Current Sense Resistor | CSM2F-6918 Series | 50 / 36 W 100 / 36 W 200 / 36 W | -40 ~ +170 | 100 ppm/C (for 50 ) 50 ppm/C (for 100 and 200 ) | < 50 ppm/C | < 5 nH | 5 % | 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 Specifications
| Specification | Details |
|---|---|
| Moisture Sensitivity Level | 1 |
| ESD Classification | Level 6 per AEC-Q200-002, 25,000 V air discharge |
| Bulk Pack | 50 pcs. per plastic bag, 100 pcs. per box |
| Tray Pack | 52 pcs. per high impact polystyrene tray, 260 pcs. per box |
| Tray Size | 246 mm x 246 mm (9.685 in. x 9.685 in.) |
Product Dimensions
| Part Number | Dim A (mm/in) | Dim B (mm/in) |
|---|---|---|
| CSM2F-6918-L050J00 | 4.70 (.185) | 7.87 (.310) |
| CSM2F-6918-L100J00 | 9.40 (.370) | 12.57 (.495) |
| CSM2F-6918-L200J00 | 20.0 (.787) | 23.18 (.990) |
Note: Dimensions are in mm (inches) unless otherwise noted. Tolerances: 0.25 (.010).
Additional Information
Power Derating Curve Reference: Available (Refer to chart in datasheet).
Pad for SMD Mounting: Available (Refer to diagram in datasheet).
Voltage Sense Pads: Available.
Soldering Areas for PCB: Available.
TCR Curves: Available (Refer to chart in datasheet).
Maximum Fastening Torque: 10 Nm
2411261433_BOURNS-CSM2F-6918-L050JT0_C4360663.pdf
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