Product Overview
The Bourns CSM2F-6918 Series is a high-performance current sense resistor designed for demanding applications. Featuring bare copper terminals and high pulse power capabilities, these resistors offer up to 36 W of permanent power. They are RoHS and AEC-Q200 compliant, making them suitable for automotive and industrial environments. 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
- Compliance: RoHS, AEC-Q200
- Lead Free: Yes
- Customized Versions: Available
- Automotive Grade: Yes
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 |
|---|---|---|---|---|---|---|---|
| Current Sense Resistor | CSM2F-6918 Series | 50 / 36 W 100 / 36 W 200 / 36 W | -40 C ~ +170 C | 100 ppm/C (50 ) 50 ppm/C (100 and 200 ) | < 50 ppm/C | < 5 nH | 5 % |
Model Number Breakdown
CSM 2F - 6918 - L050 J 0 0
- Model No.: CSM2F-6918 Series
- Terminals & Style: (Not specified in breakdown)
- Size (Metric): (Not specified in breakdown)
- Resistance Code (Milliohms): L050 (50 ), L100 (100 ), L200 (200 )
- Resistance Tolerance: J (5 %)
- Packaging: 0 (Bulk Pack - 50 pcs.), T (Tray Pack - 52 pcs.)
- Surface Finishing: 0 (Bare Copper Terminals)
Environmental Characteristics
| Characteristic | Test Condition | 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. |
General Specifications
| Specification | Value |
|---|---|
| Moisture Sensitivity Level | 1 |
| ESD Classification | Level 6 per AEC-Q200-002, 25,000 V air discharge |
| Maximum Fastening Torque | 10 Nm |
Packaging Specifications
| Packaging Type | Quantity | Size |
|---|---|---|
| Bulk Pack | 50 pcs. per plastic bag / 100 pcs. per box | - |
| Tray Pack | 52 pcs. per high impact polystyrene tray / 260 pcs. per box | 246 mm x 246 mm (9.685 in. x 9.685 in.) |
Product Dimensions
Refer to the diagram for detailed dimensions. Key dimensions include:
| Model | 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) |
Tolerances: 0.25 (.010) unless otherwise noted.
2411261433_BOURNS-CSM2F-6918-L100J00_C4360620.pdf
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