3920 Metal Resistors 0.004 Ohm Low Resistance Resistors 4W For High Power Current Sensing Applications
Specifications
Features:
High Power,Low Temperature
Name:
Metal Resistors
Manufacturer:
Ellon
Series:
ESR
Size:
3920
Resistance Range:
4mΩ(0.004 Ohm)
Tolerance:
±1%
Power Rating:
4W
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:
3920 Metal Resistors
,0.004 Ohm Low Resistance Resistors
,Low Resistance Resistors 4W
Introduction
3920 Size 0.004Ω 4W Metal Shunt Chip Resistor for High Power Current Sensing Applications
In modern electronics where precise current measurement and control are critical, the ESR39F4WR004K02G stands out as an engineered solution for high-performance applications. This 3920 0.004Ω (4mΩ) 4W 1% metal shunt chip resistor delivers unparalleled accuracy, stability, and power handling for demanding applications like electric vehicle battery systems and data center power supplies.
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 (Karma) alloy |
| Operating Temperature | -55°C to +175°C |
Key Features
- 3920 Package Size: Compact 3.9mm x 2.0mm footprint enables high-density PCB layouts
- 0.004Ω Ultra-Low Resistance: Minimizes power loss and heat generation in current paths
- 4W Power Rating: Handles substantial current surges (up to 31.6A at full power dissipation)
- Karma Alloy Element: Delivers excellent long-term stability and low TCR
- Low Inductance Design: <10nH ensures accurate performance in high-frequency applications
- High-Precision 1% Tolerance: Guarantees measurement accuracy for critical control systems
Performance Advantages
- Exceptional surge withstanding capability protects circuits during power events
- Optimized termination design ensures reliable soldering and mechanical strength
- Fully compliant with RoHS and REACH environmental standards
- Lead-free construction for global market compatibility
Application Areas
Automotive Electronics (EV/HEV BMS)
Industrial Automation
Power Management Systems
Telecommunications Infrastructure
Motor Control Systems
High-current DC-DC Converters
The ESR39F4WR004K02G represents the evolution of passive components, combining ultra-low resistance, high power dissipation, exceptional stability, and minimal inductance in a compact package. This resistor is engineered to ensure efficiency and safety in the most demanding electronic systems while meeting global environmental standards.
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Stock:
MOQ:
2000
