3920 SMD Current Sense Shunt Resistor with Metal alloy
- Rated Power: Up to 5W
- Low resistance values: 0.2mΩ ~ 5mΩ
- Excellent stability and heat dissipation
- Solderable SMD construction, RoHS compliant
Description
Overview
Our 3920 SMD current sense resistors deliver accurate current measurement with low TCR and excellent stability in high-power, compact designs. Ideal for EVs, battery management, and power control circuits.
Key Features of the SMD Current Sense Resistor
Low TCR and High Power Handling
With a low temperature coefficient of resistance (TCR), the resistor ensures minimal drift over time, even in demanding thermal conditions. The 3920 size allows for high power dissipation with a compact footprint.
Stable Performance Under Continuous Load
Designed for up to 5W rated power, this SMD current sense resistor delivers stable resistance and consistent voltage drop during continuous operation.
RoHS Compliant and Lead-Free
Environmentally friendly, the product meets global compliance standards and is suitable for industrial, automotive, and consumer electronics.
Technical Specifications – Chip Current Sense Shunt 3920
| Power (W) | Material Size | B (mm) | W (mm) | A (mm) | C (mm) | H (mm) | D1 (mm) | D2 (mm) | Resistance Value (mΩ) |
|---|---|---|---|---|---|---|---|---|---|
| 3 | M2512 | 3.0±0.3 | 6.3±0.2 | 1.2±0.2 | 3.1±0.3 | 0.5±0.1 | 1.5 | 1.5 | 0.3 |
| 0.88 | |||||||||
| 0.5 | |||||||||
| 5 | M3920 | 4.5±0.3 | 10±0.2 | 2.2±0.2 | 5.1±0.4 | 0.5±0.1 | 1.5 | 1.5 | 0.2 |
| 1.37 | |||||||||
| 0.3 | |||||||||
| 0.83 | |||||||||
| 7 | M5930 | 5.0±0.3 | 15±0.3 | 4.2±0.3 | 7.6±0.4 | 0.5±0.1 | 1.5 | 1.5 | 0.2 |
| 0.75 | |||||||||
| 0.4 | |||||||||
| 0.6 |
Applications of SMD Current Sense Resistors
Power Supply and Energy Metering
Ideal for accurate current detection in switching power supplies, battery management systems, and energy meters.
Automotive and Motor Drive Circuits
SMD current sense resistors are widely used in automotive ECUs, motor drivers, and inverter systems for precise real-time monitoring.
For more technical standards on current sensing resistors, refer to the
IEEE official website.
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