current sensing resistor BOURNS CSM2F-8518-L050J20 with high pulse power rating and bare copper terminals
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Delivery Time:
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Product Description
Product Overview
The CSM2F-8518 Series is a high-performance shunt resistor designed for accurate current sensing in demanding applications. Featuring sense pins and bare copper terminals, these resistors offer up to 36 W of permanent power and a high pulse power rating. They are compliant with RoHS and AEC-Q200 standards, making them suitable for automotive-grade applications such as battery management systems, current sensing in hybrid and electric vehicles, bus bars, welding equipment, and frequency converters. The series provides reliable performance with a maximum fastening torque of 25 Nm and is available in customized versions.
Product Attributes
- Brand: Bourns
- Series: CSM2F-8518
- Terminals: Bare Copper
- Certifications: RoHS compliant, AEC-Q200 compliant
- Lead Free: Yes
- Moisture Sensitivity Level: 1
- ESD Classification: Level 6 per AEC-Q200-002 ( 25,000 V air discharge)
Technical Specifications
| Characteristic | Model CSM2F-8518 with Sense Pins | Value |
|---|---|---|
| Resistance Range / Power Rating @ 125 C | 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 |
| TCR on Test Points (+20 C to +130 C) | for 100 and 200 | 150 ppm/C |
| TCR Resistance Alloy | < 50 ppm/C | |
| Inductance | < 5 nH | |
| Resistance Tolerance | 5 % | |
| Maximum Fastening Torque | 25 Nm | |
| Environmental Characteristics | 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. |
| Part Number | Dim A (mm/in) | Dim B (mm/in) | Dim C (mm/in) |
|---|---|---|---|
| CSM2F-8518-L050J20 | 4.70 (.185) | 7.80 (.307) | |
| CSM2F-8518-L100J20 | 9.40 (.370) | 12.50 (.492) | |
| CSM2F-8518-L200J20 | 20.0 (.787) | 23.10 (.909) | |
| CSM2F-8518-L050J30 | 4.70 (.185) | 7.80 (.307) | 5.59 (.220) |
| CSM2F-8518-L100J30 | 9.40 (.370) | 12.50 (.492) | 5.59 (.220) |
| CSM2F-8518-L200J30 | 20.0 (.787) | 23.10 (.909) | 5.59 (.220) |
| Packaging | Quantity | Size |
|---|---|---|
| Tray Pack | 24 pcs. per high impact polystyrene tray | 460 mm x 320 mm (18.110 in. x 12.598 in.) |
| Box | 168 pcs. |
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina