
Passive Component
Current Shunt Resistor
High-precision current shunt resistor for accurate current measurement in power supplies, motor controls, and battery management systems. Available in various power ratings and low resistance values for minimal voltage drop.
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About Current Shunt Resistor
A current shunt resistor is a precision low-value resistor used to measure electric current by detecting the voltage drop across it according to Ohm's Law (V=IR). These components are essential for current sensing in power management, battery monitoring, and motor control applications. Key features include ultra-low resistance values (micro-ohms to milli-ohms), high power dissipation capabilities, and excellent temperature stability. Common applications include automotive systems, industrial motor drives, power supply units, and renewable energy systems. Choose this component for reliable current measurement with minimal circuit disruption, high accuracy, and compatibility with current-sense amplifiers like INA169 or AD8215. Available in surface-mount and through-hole packages for versatile PCB integration.
Technical Specifications
| Resistance | 0.0001 Ohm (100 µΩ) to 0.001 Ohm range |
|---|---|
| Power Rating | 1W to 36W (depending on model and temperature) |
| Tolerance | 1% to 5% |
| Temperature Coefficient | 175 ppm/°C |
| Operating Temperature | -55°C to +175°C |
| Package Type | Through-hole (e.g., WSBS8518) or SMD (e.g., 4026 case code) |
| Current Rating | Up to 160A (for high-current shunts) |
| Material | Metal alloy or manganese-copper |
| Voltage Detection | Separate sense terminals for amplifier connection |
Component Datasheet
Download the official datasheet for Current Shunt Resistor
Download Datasheet (PDF)Alternative Components
INA169 Current Shunt Monitor
NCS199A1R Current-Shunt Monitor
AD8215 High Voltage Current Shunt Monitor
CSSA Automotive Grade Current Sense Resistor









