3920 Current Shunt Resistor 0.004 Ohm High Current Shunt Resistor 4W For High Power Current Sensing Applications
Price:
Negotiable
MOQ:
2000
Delivery Time:
3-5 work days
Brand:
Ellon
Product Description
3920 Size 0.004Ω 4W Metal Shunt Chip Resistor for High Power Current Sensing Applications
In modern electronics where precision power management and accurate current sensing are critical, the ESR39F4WR004F02G stands out as an exceptional 3920 0.004Ω 4W metal shunt chip resistor. Engineered to exceed expectations in demanding applications, this component combines ultra-low resistance, substantial power handling, and exceptional stability for next-generation power systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Resistance Value | 0.004Ω (4mΩ) |
| Tolerance | ±1% |
| Power Rating | 4W |
| Package Size | 3920 (6.35mm * 3.15mm) |
| Temperature Coefficient (TCR) | ±50 ppm/°C |
| Resistance Material | Manganese Copper (FeCrAl) alloy |
| Operating Temperature | -55°C to +175°C |
Core Specifications
The 3920 package size (9.8mm x 5.0mm) enables superior heat dissipation for the 4W power rating. With an ultra-low resistance value of 0.004Ω, this resistor introduces negligible voltage drop in current paths, minimizing power loss while maintaining high efficiency.
Material Advantages
The FeCrAl alloy resistive element provides:
- High-temperature stability with low TCR for consistent performance across temperature ranges
- Exceptional long-term stability and resistance to oxidation/corrosion
- Low thermoelectromotive force against copper for precise measurements
Performance Characteristics
The ESR39F4WR004F02G features a tight 1% tolerance for precise current monitoring and control. Its robust design handles significant power surges during motor start-ups, inrush currents, or load switching, protecting downstream circuitry in harsh electrical environments.
Compliance
Fully compliant with RoHS and REACH regulations, this lead-free component meets global environmental protection standards.
Applications
Precision current sensing in power supplies
Industrial motor controls
Automotive battery management systems
EV charging systems
Solar inverters
Protective relays
High-current test equipment
The ESR39F4WR004F02G represents advanced materials engineering and precision manufacturing, delivering a reliable, accurate, and robust current sensing solution for demanding power electronics applications.
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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