0.4m Ohm Current Shunt Resistor 9W High Power Shunt Resistor For Low Temperature Applications
0.4m Ohm Current Shunt Resistor
,Current Shunt Resistor 9W
,9W High Power Shunt Resistor
The ESR39F9W0M40M02G is a high-performance, low-resistance metal shunt chip resistor designed for precision current sensing applications. With its ultra-low resistance value of 0.0004Ω(0.4mΩ) and high power rating of 9W, this component represents an optimal solution for power electronics requiring accurate current measurement and minimal power dissipation.
Manufactured using MnCu (manganese-copper) material, this resistor exhibits excellent electrical characteristics including low temperature coefficient and minimal parasitic inductance. The 3920 package size resistor meets stringent environmental requirements, complying with Rohs, Reach, and lead-free standards.
| Parameter | Specification |
|---|---|
| Resistance Value | 0.0004Ω (0.4mΩ) |
| Tolerance | ±1% |
| Power Rating | 9W |
| Package Size | 3920 (6.35mm * 3.15mm) |
| Temperature Coefficient (TCR) | ±100 ppm/°C |
| Resistance Material | Manganese Copper (MnCu) alloy |
| Operating Temperature | -55°C to +175°C |
Engineered with exceptional surge withstand capability, critical for applications experiencing current transients or power spikes. The MnCu alloy construction provides inherent thermal stability for effective energy dissipation.
With inductance specifications typically below 2nH, this resistor minimizes parasitic effects that could compromise measurement accuracy in high-frequency applications.
±1% resistance tolerance guarantees accurate current sensing across the entire operating temperature range, with low TCR (±100PPM/°C) ensuring consistent performance in all environmental conditions.
The manganese-copper alloy offers low resistivity, excellent temperature stability, minimal thermal EMF, and superior long-term stability compared to alternative materials.
The ESR39F9W0M40M02G offers 9W capability in a 3920 package, significantly higher than typical 3W-5W competing products. The MnCu material provides superior performance characteristics compared to FeCrAl or Karma alloys.
Fully complies with RoHS and REACH standards, with lead-free construction suitable for global markets. Robust construction ensures exceptional long-term reliability even under continuous operation at elevated temperatures.
The ESR39F9W0M40M02G represents an optimal solution for applications requiring precise current measurement with minimal power loss. With its 0.0004Ω resistance, 9W power handling, and MnCu material construction, this device delivers outstanding performance in a compact form factor.
