Product Overview
The CSM2F-8518 Series is a high-performance shunt resistor designed with sense pins and fully tinned terminals, offering up to 36 W of permanent power and a high pulse power rating. It is ideal for current sensing applications in demanding environments, including battery management systems, hybrid and electric vehicles, bus bars, welding equipment, and frequency converters. The series is RoHS and AEC-Q200 compliant, ensuring suitability for automotive-grade applications.
Product Attributes
- Brand: Bourns
- Certifications: RoHS Directive 2015/863, AEC-Q200 Compliant
- Terminal Finishing: Fully Tinned Terminals and Resistive Element Plated Sense Pins
- Material: Resistance Alloy (TCR < 50 ppm/C)
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 |
|---|---|---|---|---|---|---|---|
| Electrical Characteristics | CSM2F-8518 with Sense Pins | 50 / 36 W 100 / 36 W 200 / 36 W | -40 ~ +170 | 200 ppm/C for 50 150 ppm/C for 100 and 200 | < 50 ppm/C | < 12 nH | 5 % |
| 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. |
How to Order
CSM 2F - 8518 - L050 J 2 2
- Model No. of Terminals & Style: CSM2F-8518
- Size (Metric): 8518
- Resistance Code (Milliohms): L050 = 50 MicroOhms, L100 = 100 MicroOhms, L200 = 200 MicroOhms
- Resistance Tolerance: J = 5 %
- Number of Pins: 2 or 3
- Surface Finishing: 2 = Fully Tinned Terminals and Resistive Element Plated Sense Pins
Product Dimensions
| Part Number | Dim A (mm/in) | Dim B (mm/in) | Dim C (mm/in) |
|---|---|---|---|
| CSM2F-8518-L050J22 | 4.70 (.185) | 7.87 (.310) | |
| CSM2F-8518-L100J22 | 9.40 (.370) | 12.57 (.495) | |
| CSM2F-8518-L200J22 | 20.0 (.787) | 23.18 (.913) | |
| CSM2F-8518-L050J32 | 4.70 (.185) | 7.87 (.310) | 5.59 (.220) |
| CSM2F-8518-L100J32 | 9.40 (.370) | 12.57 (.495) | 5.59 (.220) |
| CSM2F-8518-L200J32 | 20.0 (.787) | 23.18 (.913) | 5.59 (.220) |
Note: Dimensions are in mm (inches).
Power Derating Curve
The power derating curve illustrates the relationship between terminal temperature and power ratio. The maximum operating temperature is 170 C, with a permanent power rating of up to 36 W at 125 C.
Packaging Specifications
- Packaging Type: Tray Pack
- Quantity: 24 pcs. per high impact polystyrene tray
- Box Quantity: 168 pcs. per box
- Tray Size: 460 mm x 320 mm (18.110 in. x 12.598 in.)
General Specifications
- Moisture Sensitivity Level: 1
- ESD Classification: Level 6 per AEC-Q200-002, 25,000 V air discharge
2411261441_BOURNS-CSM2F-8518-L100J32_C7233415.pdf
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