CTS 73M Series Current Sensing Resistors
The 73M1A, 73M2A, 73M3x, and 73M5 Series Current Sensing Resistors are metal plate packaged devices designed for excellent accuracy in current detection and limiting. Featuring a robust metal plate construction with a copper alloy, these resistors offer reliable performance across a wide operating temperature range. They are suitable for various applications including current detection, current limiting, regulated battery circuits, motor control, power supplies, hard disk drives, inverters/converters, industrial equipment, and infotainment systems. The resistors are available in standard EIA package sizes with matte tin terminal finish, making them reflow capable per JEDEC J-STD-020.
Product Attributes
- Brand: CTS
- Construction: Metal Plate
- Material: Copper Alloy
- Terminal Finish: Matte Tin [e3]
- Certifications: Reflow Capable per JEDEC J-STD-020, +260C Maximum
Technical Specifications
| Model Type | Power Rating [Watts] | Resistance Range [m] | Resistor Tolerance [%] | Rated Ambient Temperature | Operating Temperature Range | Temperature Coefficient |
| 73M1A | 1.0 | 0.25 - 50 | 1 | +70C | -55C to +155C | R < 0.010: 100ppm/C, R 0.010: 50ppm/C |
| 73M2A | 2.0 | 0.25 - 75 | 1 | +70C | -55C to +155C | R < 0.010: 100ppm/C, R 0.010: 50ppm/C |
| 73M3A | 3.0 | 0.25 - 3 | 1 | +70C | -55C to +155C | R 0.001: 200ppm/C, R > 0.001: 100ppm/C |
| 73M3B | 3.0 | 4 - 100 | 1 | +70C | -55C to +155C | 50ppm/C |
| 73M5 | 5.0 | 1 - 120 | 1 | +70C | -55C to +155C | R < 0.010: 100ppm/C, R 0.010: 50ppm/C |
2411041605_CTS-73M1AR004F_C4342703.pdf
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