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CSA
Ultra-Low Resistance Current Sensing Shunt
Our CSA series provides ultra-low resistance voltage monitoring, specifically designed for high wattage applications like battery management systems and DC voltage converters. Its e-beam welded Cu-alloy construction ensures excellent thermal dissipation, making it suitable for thermal management systems. The CSA series caters to a versatile range of applications including consumer electronics, telecommunications, industrial electronics, energy storage, and various commercial sectors.
Characteristics
Composition
Metal Element
Resistance Range
0.2mOhm - 4mOhm
Case Size(s)
2512, 3921, 5931
Power
2W, 2.5W, 3W, 4W, 5W, 6W, 7W, 8W, 9W, 10W, 15W
Terminals
2
TCR
±50ppm/°C, ±70ppm/°C, ±100ppm/°C, ±125ppm/°C, ±175ppm/°C, ±200ppm/°C
Features
Automotive (AEC-Q200)
Current Sense
Tolerance
±1.0%, ±5.0%
Datasheet
*Please review specification for available values within range.
Resources
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Buy from a Distributor
This product is available for purchase from distributors as the D1CSA series. Buy on DigiKey today!
CSA
Ultra-Low Resistance Current Sensing Shunt
Our CSA series provides ultra-low resistance voltage monitoring, specifically designed for high wattage applications like battery management systems and DC voltage converters. Its e-beam welded Cu-alloy construction ensures excellent thermal dissipation, making it suitable for thermal management systems. The CSA series caters to a versatile range of applications including consumer electronics, telecommunications, industrial electronics, energy storage, and various commercial sectors.
Characteristics
Composition
Metal Element
Case Size(s)
2512, 3921, 5931
Terminals
2
Resistance Range
0.2mOhm - 4mOhm
Power
2W, 2.5W, 3W, 4W, 5W, 6W, 7W, 8W, 9W, 10W, 15W
TCR
±50ppm/°C, ±70ppm/°C, ±100ppm/°C, ±125ppm/°C, ±175ppm/°C, ±200ppm/°C
Tolerance
±1.0%, ±5.0%
Features
Automotive (AEC-Q200)
Current Sense
CSA
Ultra-Low Resistance Current Sensing Shunt

Our CSA series provides ultra-low resistance voltage monitoring, specifically designed for high wattage applications like battery management systems and DC voltage converters. Its e-beam welded Cu-alloy construction ensures excellent thermal dissipation, making it suitable for thermal management systems. The CSA series caters to a versatile range of applications including consumer electronics, telecommunications, industrial electronics, energy storage, and various commercial sectors.
Characteristics
Composition: Metal Element
Case Size(s): 2512, 3921, 5931
Terminals: 2
Resistance Range: 0.2mOhm - 4mOhm
Power: 2W, 2.5W, 3W, 4W, 5W, 6W, 7W, 8W, 9W, 10W, 15W
TCR: ±50ppm/°C, ±70ppm/°C, ±100ppm/°C, ±125ppm/°C, ±175ppm/°C, ±200ppm/°C
Tolerance: ±1.0%, ±5.0%
Features:
Automotive (AEC-Q200)
Current Sense
Image | Series | Distribution Series | Description | Composition | Case Size(s) | Terminals | Minimum Resistance | Maximum Resistance | TCR | Tolerance | Power | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
WRL-L4 | D1WRL-L4 | 4 Terminal Symmetrical Footprint Current Sense Resistors | Metal Foil | 1206, 2512 | 4 | 0.5 mOhms | 100 mOhms | ±30ppm/°C, ±50ppm/°C, ±75ppm/°C, ±100ppm/°C | ±0.3%, ±0.5%, ±1.0% | 0.333W, 0.5W, 1W | View Series | |
KN | General Purpose Thin Film Resistors | Thin Film | 0201, 0402, 0603, 0805, 1206, 1210, 2010, 2512 | 2 | 2.49 Ohms | 1.5 MOhms | ±10ppm/°C, ±15ppm/°C, ±25ppm/°C, ±50ppm/°C | ±0.1%, ±0.25%, ±0.5%, ±1.0% | 0.05W, 0.063W, 0.125W, 0.1W, 0.25W, 0.5W, 0.75W | View Series | ||
CSA | D1CSA | Ultra-Low Resistance Current Sensing Shunt | Metal Element | 2512, 3921, 5931 | 2 | 0.2mOhm | 4mOhm | ±50ppm/°C, ±70ppm/°C, ±100ppm/°C, ±125ppm/°C, ±175ppm/°C, ±200ppm/°C | ±1.0%, ±5.0% | 2W, 2.5W, 3W, 4W, 5W, 6W, 7W, 8W, 9W, 10W, 15W | View Series | |
KN-A | Automotive Grade General Purpose Thin Film Resistors | Thin Film | 0402, 0603, 0805, 1206 | 2 | 4.7 Ohms | 1.5 MOhms | ±10ppm/°C, ±15ppm/°C, ±25ppm/°C, ±50ppm/°C | ±0.1%, ±0.25%, ±0.5%, ±1.0% | 0.063W, 0.125W, 0.1W, 0.25W | View Series | ||
WEL | D1WEL | Long Side Wrapped Electrode General Purpose Current Sense Resistors | Metal Foil | 0508, 0612, 0815, 0830, 1020, 1225, 1530, 1836, 2043 | 2 | 0.5 mOhms | 100 mOhms | ±50ppm/°C, ±100ppm/°C, ±150ppm/°C | ±0.5%, ±1.0%, ±3.0% | 1W, 1.5W, 2W, 3W, 4W, 5W | View Series | |
WEL | D1WEL | Short Side Wrapped Electrode General Purpose Current Sense Resistors | Metal Foil | 0603, 0805, 1206, 2010, 2512, 4320, 4527 | 2 | 2 mOhms | 700 mOhms | ±50ppm/°C, ±75ppm/°C, ±100ppm/°C | ±0.5%, ±1.0% | 0.5W, 0.75W, 1W, 1.5W, 2W, 3W, 4W | View Series | |
WEL | D1WEL | Automotive Grade Short Side Wrapped Electrode Current Sense Resistors | Metal Foil | 0603, 0805, 1206, 2010, 2512 | 2 | 3 mOhms | 570 mOhms | ±50ppm/°C, ±100ppm/°C | ±0.5%, ±1.0% | 0.5W, 0.75W, 1W, 1.5W, 2W | View Series | |
WEL | D1WEL | Automotive Grade Long Side Wrapped Electrode Current Sense Resistors | Metal Foil | 0508, 0612, 0830, 1020, 1225 | 2 | 1 mOhms | 100 mOhms | ±50ppm/°C, ±100ppm/°C | ±0.5%, ±1.0% | 1W, 1.5W, 2W, 3W | View Series | |
TFA | TFA | Automotive Grade Thick Film Resistors | Thick Film | 0402, 0603, 0805, 1206, 1210, 1812, 2010, 2512 | 2 | 1 Ohms | 10 MOhms | ±100ppm/°C, ±400ppm/°C | ±0.1%, ±0.5%, ±1.0%, ±2.0%, ±5.0% | 0.063W, 0.125W, 0.1W, 0.25W, 0.5W, 0.75W, 1W | View Series | |
TFAS | TFAS | High Grade Anti-Sulfur Thick Film Resistors | Thick Film | 0201, 0402, 0603, 0805, 1206, 1210, 1812, 2010, 2512 | 2 | 1 Ohms | 10 MOhms | ±100ppm/°C, ±400ppm/°C | ±0.5%, ±1.0%, ±5.0% | 0.05W, 0.063W, 0.125W, 0.1W, 0.25W, 0.5W, 0.75W, 1W | View Series | |
WKL | D1WKL | Non-Wrapped Electrode General Purpose Current Sense Resistors | Metal Foil | 0508, 0603, 0612, 0805, 0815, 0830, 1020, 1206, 1225, 1530, 1836, 2010, 2043, 2512, 4320, 4527 | 2 | 1 mOhms | 700 mOhms | ±50ppm/°C, ±100ppm/°C | ±0.5%, ±1.0% | 0.5W, 0.75W, 1W, 1.5W, 2W, 3W, 4W, 5W | View Series | |
MPC | D1MPC | Low Profile Current Sense Resistors | Metal Foil | 0201, 0402, 0603, 0805, 1206 | 2 | 1 mOhms | 50 mOhms | ±50ppm/°C, ±75ppm/°C, ±100ppm/°C, ±150ppm/°C, ±200ppm/°C | ±0.5%, ±1.0% | 0.25W, 0.333W, 0.5W, 1W | View Series | |
MPA | D1MPA | High Power Current Sense Resistors | Metal Element | 1206, 2512 | 2 | 0.5 mOhms | 56 mOhms | ±50ppm/°C, ±75ppm/°C, ±100ppm/°C, ±150ppm/°C | ±0.5%, ±1.0% | 1W, 2W, 3W | View Series | |
KU | Low Ohms Metal Film Resistors | Metal Film | 0201, 0402, 0508, 0603, 0612, 0805, 1020, 1206, 1210, 1225, 2010, 2512 | 2 | 10 mOhms | 10 Ohms | ±50ppm/°C, ±100ppm/°C, ±150ppm/°C, ±200ppm/°C | ±0.25%, ±0.5%, ±1.0%, ±2.0%, ±5.0% | 0.005W, 0.05W, 0.063W, 0.125W, 0.1W, 0.25W, 0.2W, 0.4W, 0.5W, 0.75W, 1W, 1.5W, 2W, 3W | View Series | ||
CPA0612 | D1CPA0612 | 4 Terminal Automotive Grade Long Side Electrode Current Sense Resistor | Metal Foil | 0612 | 4 | 0.5 mOhms | 25 mOhms | ±50ppm/°C, ±100ppm/°C, ±150ppm/°C, ±200ppm/°C | ±0.5%, ±1.0% | 1W | View Series | |
CPC0306 | D1CPC0306 | 4 Terminal Long Side Electrode Current Sense Resistors | Metal Foil | 0306 | 4 | 1 mOhms | 50 mOhms | ±50ppm/°C, ±100ppm/°C, ±150ppm/°C | ±0.5%, ±1.0% | 0.333W | View Series | |
KGAS | High Grade Anti-Sulfur Automotive Grade Thick Film Resistors | Thick Film | 0402, 0603, 0805, 1206, 1210, 1218, 1812, 2010, 2512 | 2 | 1 Ohms | 10 MOhms | ±100ppm/°C, ±400ppm/°C | ±0.5%, ±1.0%, ±5.0% | 0.063W, 0.125W, 0.1W, 0.25W, 0.5W, 0.75W, 1W | View Series | ||
CPA-W | CPA-W | 4 Terminal Long Side Electrode Current Sense Resistor | Metal Foil | 1225 | 4 | 0.5 mOhms | 25 mOhms | ±50ppm/°C, ±100ppm/°C | ±0.5%, ±1.0% | 2W | View Series |