Product Overview
The CSM2F-8518 Series is a high-performance shunt resistor designed for accurate current sensing in demanding applications. Featuring sense pins and tinned terminals, this series offers up to 36 W of permanent power and a high pulse power rating. It is compliant with RoHS and AEC-Q200 standards, making it 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 resistors are available in various resistance ranges and tolerances, with tinned terminals for reliable connectivity.
Product Attributes
- Brand: Bourns
- Series: CSM2F-8518
- Certifications: RoHS compliant, AEC-Q200 compliant
- Terminal Finishing: Tinned Terminals
- Sense Pins: Plated
- Moisture Sensitivity Level: 1
- ESD Classification: Level 6 per AEC-Q200-002, 25,000 V air discharge
Technical Specifications
| Characteristic | Model | Resistance Range / Power Rating @ 125 C** | Operating Temperature Range | TCR on Test Points (+20 C to +130 C) | TCR Resistance Alloy*** | Inductance | Resistance Tolerance |
|---|---|---|---|---|---|---|---|
| CSM2F-8518 with Sense Pins | CSM2F-8518 | 50 / 36 W 100 / 36 W | -40 C ~ +170 C | 150 ppm/C for 50 and 100 | < 50 ppm/C | < 5 nH | 5 % |
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. |
How to Order
CSM 2F - 8518 - L050 J 2 1
- Model No. of Terminals & Style Size (Metric)
- Resistance Code (Milliohms): L Represents Decimal Point. L050 = 50 MicroOhms
- Resistance Tolerance: J = 5 %
- Number of Pins: 2 or 3
- Surface Finishing: 1 = Tinned Terminals
Product Dimensions
| Part Number | Dim A | Dim B | Dim C |
|---|---|---|---|
| CSM2F-8518-L050J21 | 4.70 (.185) | 7.80 (.307) | |
| CSM2F-8518-L100J21 | 9.40 (.370) | 12.50 (.492) | |
| CSM2F-8518-L050J31 | 4.70 (.185) | 7.80 (.307) | 5.59 (.220) |
| CSM2F-8518-L100J31 | 9.40 (.370) | 12.50 (.492) | 5.59 (.220) |
DIMENSIONS: MM (INCHES)
Packaging Specifications
- Tray Pack: 24 pcs. per high impact polystyrene tray, 168 pcs. per box
- Size: 460 mm x 320 mm (18.110 in. x 12.598 in.)
2411272238_BOURNS-CSM2F-8518-L100J31_C5973203.pdf
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