3W Precision Chip Resistor 3920 Size Current Sense Resistor 0.005 Ohm
Price:
Negotiable
MOQ:
2000
Delivery Time:
3-5 work days
Brand:
Ellon
Product Description
3920 Size 3W Power Rating Metal Shunt Chip Resistor With ±50 Ppm/°C Temperature Coefficient And FeCrAl Material
In modern electronics where efficiency and accuracy are critical, the 3920 0.005Ω (5mΩ) 4W 1% ESR39F3WR005F02G Metal Shunt Chip Resistor delivers superior performance for power management, automotive systems, and industrial controls. This precision-engineered component combines ultra-low resistance with high power handling in a compact package.
Technical Specifications
| Parameter | Specification |
|---|---|
| Resistance Value | 0.005Ω (5mΩ) |
| Tolerance | ±1% |
| Power Rating | 3W |
| 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 |
Key Features
- Ultra-low 0.005Ω resistance minimizes voltage drop and power loss
- 4W power rating at 70°C ensures stable high-load performance
- FeCrAl alloy construction provides excellent temperature stability
- 1% tolerance for precision current measurement
- Robust surge withstand capability for demanding environments
- RoHS and REACH compliant for global environmental standards
Engineering Advantages
The FeCrAl alloy resistive element delivers exceptional performance characteristics:
- Low temperature coefficient maintains stable resistance across operating temperatures
- Superior long-term stability with minimal resistance drift
- Excellent resistance to oxidation and degradation
- High surge current capability for transient protection
Applications
This precision shunt resistor is ideal for:
- Automotive electronics: Battery management systems, power steering, ECUs
- Power management: Server PSUs, UPS systems, DC-DC converters
- Industrial automation: Motor drives, VFDs, servo controls
- Renewable energy: Solar inverters, energy storage systems
Reliability and Compliance
Designed for harsh environments with wide temperature operation (-55°C to +175°C) and full compliance with RoHS and REACH environmental regulations. The lead-free construction ensures global market acceptance.
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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