3920 Size 0.0003Ω (0.3m Ohm) 10W Metal Shunt Chip Resistor for High Power Current Sensing
Price:
Negotiable
MOQ:
2000
Delivery Time:
3-5 work days
Brand:
Ellon
Product Description
3920 0.0003Ω (0.3m Ohm) 10W Metal Shunt Chip Resistor
In modern electronics, accurate current measurement is essential for system control, efficiency monitoring, and protection. The 3920 0.0003Ω (0.3m Ohm) 10W metal shunt chip resistor (model ESR39F10W0M30M02G) delivers exceptional performance for high-power applications with its precision specifications and robust construction.
Technical Specifications
| Parameter | Specification |
|---|---|
| Resistance Value | 0.0003Ω (0.3mΩ) |
| Tolerance | ±1% |
| Power Rating | 10W |
| 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 |
Key Features
- 3920 Package Size (10.0mm x 5.0mm): Large footprint enables effective heat dissipation for high-power applications
- Ultra-Low 0.0003Ω Resistance: Minimizes power loss while enabling precise current measurement
- 10W Power Rating: Handles substantial currents in power electronics and motor drives
- ±1% Tolerance: Ensures measurement accuracy in critical applications
- Low ESR Design: Provides stable resistive properties
Material Advantages
The Manganin (MnCu) alloy construction delivers:
- Low temperature coefficient of resistance (TCR) for stable performance across temperature ranges
- Minimal thermoelectric EMF when connected to copper PCB traces
- Excellent long-term stability and resistance to oxidation
Performance Benefits
- Exceptional anti-surge capability for motor start-up and inrush current protection
- Low inductance design for high-frequency power conversion systems
- Compliant with RoHS, REACH, and lead-free environmental standards
Application Areas
- Electric vehicle battery management and motor control systems
- Industrial motor drives, robotics, and CNC machinery
- High-wattage server power supplies and telecom rectifiers
- Solar inverters and renewable energy systems
- Welding equipment and high-current power controllers
The 3920 0.0003Ω 10W metal shunt chip resistor combines precision, power handling, and reliability for demanding current measurement applications. Its robust construction and stable MnCu alloy make it ideal for next-generation power electronics and control systems.
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Company
Shenzhen Shun Hai Technology Co., Ltd.
Location
Floor 7, Block B, Building 9, Baoneng Science and Technology Park, Qingxiang Road, Longhua New District, Shenzhen
Contact Person
jimmy