5W Current Shunt Resistor 3920 Size Metal Film Chip Resistors High Power For Precision Current Sensing
Specifications
Features:
High Power,Low Temperature
Name:
Current Shunt Resistor
Manufacturer:
Ellon
Series:
ESR
Size:
3920
Resistance Range:
3mΩ(0.003 Ohm)
Tolerance:
±1%
Power Rating:
5W
Operating Temperature Range:
-55°C To +175°C
Temperature Coefficient:
±50 Ppm/°C
Material:
Karma
Per Reel:
2000
Applications:
Current Sensing, Power Supplies, Motor Control, Battery Management
Highlight:
5W Current Shunt Resistor
,3920 Metal Film Chip Resistors
,Metal Film Chip Resistors High Power
Introduction
3920 Size 0.003Ω (0.003m Ohm) 5W Metal Shunt Resistor with ±1% Tolerance for Precision Current Sensing
A Benchmark in Precision Power Measurement
In modern electronics where efficiency and accuracy are paramount, the 3920 0.003Ω (0.003m Ohm) 5W metal shunt chip resistor stands as a pinnacle of engineering. Designed for high-precision, high-power applications, this component delivers minimal voltage drop and maximum reliability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Resistance Value | 0.003Ω (3mΩ) |
| Tolerance | ±1% |
| Power Rating | 5W |
| Package Size | 3920 (6.35mm * 3.15mm) |
| Temperature Coefficient (TCR) | ±50 ppm/°C |
| Resistance Material | Manganese Copper (Karma) alloy |
| Operating Temperature | -55°C to +175°C |
Key Features
- Ultra-low 0.003Ω resistance minimizes voltage drop and power loss
- High 5W power rating for substantial current handling
- Precision ±1% tolerance for accurate measurements
- Compact 3920 package (6.35mm * 3.15mm) for space-constrained designs
- Manganese Copper (Karma) alloy for excellent temperature stability
- Low inductance design for high-frequency applications
- Robust surge withstanding capability
Performance Advantages
The 3920 0.003Ω 5W resistor's Karma alloy construction provides exceptional long-term stability and minimal resistance change across temperature variations. Its four-terminal (Kelvin) connection eliminates contact resistance effects, while the optimized metal strip design achieves very low parasitic inductance - critical for high-frequency switching circuits.
Compliance & Environmental Standards
Fully compliant with RoHS and REACH regulations. Manufactured with lead-free materials and processes, meeting the electronics industry's environmental responsibility requirements.
Key Applications
- Automotive Electronics: Current monitoring in EV battery management systems, motor drives, and onboard chargers
- Industrial Automation: Torque and speed control in servo motors and industrial robots
- Power Supplies: Over-current protection and load monitoring in server power supplies and telecom infrastructure
- Renewable Energy: Maximum power point tracking and system monitoring in solar inverters
Conclusion
The 3920 0.003Ω 5W metal shunt resistor is a highly engineered solution for modern power electronics challenges. Its combination of precision, power handling, compact size, and environmental compliance makes it invaluable for automotive, industrial, and renewable energy applications demanding unwavering accuracy and durability.
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Stock:
MOQ:
2000
