Product Overview
The CSM2F-8518 Series is a high-performance shunt resistor designed for accurate current sensing in demanding applications. Featuring sense pins and fully tinned terminals, this RoHS and AEC-Q200 compliant component offers up to 36 W of permanent power and a high pulse power rating. It is ideal for battery management systems, current sensing in hybrid and electric vehicles, bus bars, welding equipment, and frequency converters.
Product Attributes
- Brand: Bourns
- Certifications: RoHS compliant, AEC-Q200 compliant
- Terminal Finishing: Fully Tinned Terminals and Resistive Element Plated Sense Pins
- Material: Resistive Alloy
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) | 200 ppm/C for 50 ; 150 ppm/C for 100 and 200 | |
| TCR Resistance Alloy | < 50 ppm/C | |
| Inductance | < 12 nH | |
| Resistance Tolerance | 5 % | |
| Maximum Fastening Torque | 25 Nm | |
| Environmental Characteristics: Thermal Shock | Test Condition: -55 C to +150 C / 1000 cycles | DTR Max. 0.5 % |
| Environmental Characteristics: High Temperature Exposure | Test Condition: +170 C / 1000 hours | 1.0 % |
| Environmental Characteristics: Low Temperature Storage | Test Condition: -65 C / 1000 hours | 0.5 % |
| Environmental Characteristics: Biased Humidity Test | Test Condition: +85 C, 85 % RH, 10 % bias, 1000 hours | 0.5 % |
| Environmental Characteristics: Mechanical Shock | Test Condition: 100 g, 6 milliseconds, 5 pulses | 0.5 % |
| Environmental Characteristics: Vibration, High Frequency | Test Condition: 10-2000 Hz in 1 minute, 3 directions, 12 hours | 0.5 % |
| Environmental Characteristics: Load Life | Test Condition: +125 C / 2000 hours at maximum current rating | 1.0 % |
| Environmental Characteristics: Solderability* | Test Condition: J-STD-002 | 95 % coverage min. (Limited to dipping terminals) |
| Packaging Specifications: Tray Pack | 24 pcs. per high impact polystyrene tray; 168 pcs. per box | |
| Packaging Specifications: Size | 460 mm x 320 mm (18.110 in. x 12.598 in.) | |
| General Specifications: Moisture Sensitivity Level | 1 | |
| General Specifications: ESD Classification | Level 6 per AEC-Q200-002, 25,000 V air discharge |
How to Order
CSM 2F - 8518 - [Resistance Code] [Tolerance] [Number of Pins] [Surface Finishing]
- Model No. of Terminals & Style: CSM2F-8518
- Size (Metric): 8518
- Resistance Code (Milliohms): L050 (50 ), L100 (100 ), L200 (200 ) - 'L' represents decimal point.
- Resistance Tolerance: J = 5 %
- Number of Pins: 2 or 3
- Surface Finishing: 2 = Fully Tinned Terminals and Resistive Element Plated Sense Pins
Product Dimensions
Dimensions: MM (INCHES)
| Part Number | Dim A | Dim B | Dim C |
|---|---|---|---|
| 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) |
Overall Dimensions: 18.00 0.20 (.709 .008) Length; 9.00 (.354) Width; 85.00 0.40 (3.346 .016) Height.
Hole Dimensions: 8.30 0.10 (.327 .004) Diameter (2 PLCS); 1.00 0.10 (.039 .004) Diameter (3 PLCS).
Mounting Dimensions: 42.50 0.20 (1.673 .008) Center to Center; 12.50 (.492) Clearance; 60.00 (2.362) Overall Mounting Length.
Other Dimensions: 3.00 (.118) Terminal Width; 2.00 (.079) Terminal Length; 8.00 0.20 (.315 .008) Terminal Spacing.
2411261441_BOURNS-CSM2F-8518-L200J22_C5579222.pdf
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