Product Overview
The CSM2F-6918 Series is a high-performance shunt resistor designed with sense pins and fully tinned terminals. It offers up to 36 W of permanent power and a high pulse power rating, making it suitable for demanding current sensing applications. Key features include a maximum fastening torque of 25 Nm, RoHS compliance, and AEC-Q200 compliance, ensuring reliability and suitability for automotive environments. Applications range from battery management systems and current sensing in hybrid and electric vehicles to bus bars and welding equipment.
Product Attributes
- Brand: Bourns
- Certifications: RoHS Directive 2015/863, AEC-Q200 Compliant
- Terminal Finishing: Fully Tinned Terminals
- Sense Pin Plating: Nickel barrier and 100% Sn
- Moisture Sensitivity Level: 1
- ESD Classification: Level 6 per AEC-Q200-002 ( 25,000 V air discharge)
Technical Specifications
| Characteristic | Model | Specification |
|---|---|---|
| Resistance Range / Power Rating @ 125 C | CSM2F-6918 with Sense Pins | 50 / 36 W |
| CSM2F-6918 with Sense Pins | 100 / 36 W | |
| CSM2F-6918 with Sense Pins | 200 / 36 W | |
| Operating Temperature Range | -40 C ~ +170 C | |
| TCR on Test Points (+20 C to +130 C) | 200 ppm/C for 50 | |
| 150 ppm/C for 100 and 200 | ||
| TCR Resistance Alloy | < 50 ppm/C | |
| Inductance | < 12 nH | |
| Resistance Tolerance | 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 / 24 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 | Tray Pack | 30 pcs. per tray, 210 pcs. per box |
| How to Order: CSM 2F - 6918 - L050 J 2 2 | ||
| Model No. of Terminals & Style | Size (Metric) | Resistance Code (Milliohms) |
| CSM2F-6918 | L050 = 50 MicroOhms, L100 = 100 MicroOhms, L200 = 200 MicroOhms | |
| Resistance Tolerance | Number of Pins | Surface Finishing |
| J = 5 % | 2 or 3 | 2 = Fully Tinned Terminals and Resistive Element Plated Sense Pins |
Product Dimensions:
- Dim A: 4.70 (.185) for L050J22, 9.40 (.370) for L100J22, 20.0 (.787) for L200J22
- Dim B: 7.87 (.310) for L050J22, 12.57 (.495) for L100J22, 23.18 (.913) for L200J22
- Dim C: 5.59 (.220) for 3-pin models
- Overall Dimensions: 6.60 0.10 (.260 .004) DIA. (2 PLCS), 1.00 0.10 (.039 .004) DIA. (3 PLCS), 18.00 0.20 (.709 .008), 69.00 0.40 (2.717 .016), 8.00 0.20 (.315 .008)
Power Derating Curve: Available, showing power ratio vs. terminal temperature up to 125 C.
TCR Curves: Available, showing dR/R25 (%) vs. Temperature (C).
2411272238_BOURNS-CSM2F-6918-L200J22_C6157980.pdf
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