12W Current Shunt Resistor 3920 High Power Resistors 0.2m Ohm For Current Sensing
Specifications
Features:
High Power,Low Temperature
Name:
Current Shunt Resistor
Manufacturer:
Ellon
Series:
ESR
Size:
3920
Resistance Range:
0.2mΩ(0.0002 Ohm)
Tolerance:
±1%
Power Rating:
12W
Operating Temperature Range:
-55°C To +175°C
Temperature Coefficient:
±100 Ppm/°C
Material:
MnCu
Per Reel:
2000
Applications:
Current Sensing, Power Supplies, Motor Control, Battery Management
Highlight:
12W Current Shunt Resistor
,3920 High Power Resistors
,High Power Resistors 0.2m Ohm
Introduction
3920 Size 0.0002Ω (0.2m Ohm) 12W ±1% Tolerance Metal Shunt Chip Resistor For Current Sensing
Precision and Power in Current Sensing
In modern electronics where efficiency and accuracy are paramount, the 3920 0.0002Ω (0.2m Ohm) 12W metal shunt chip resistor serves as an engineering cornerstone. This high-power, high-precision component delivers reliable performance under demanding conditions with its ultra-low resistance value, substantial 12W power rating, and superior construction.
Technical Specifications
| Parameter | Specification |
|---|---|
| Resistance Value | 0.0002Ω (0.2mΩ) |
| Tolerance | ±1% |
| Power Rating | 12W |
| Package Size | 3920 (6.35mm * 3.15mm) |
| Temperature Coefficient (TCR) | ±50 ppm/°C |
| Resistance Material | Manganese Copper (MnCu) alloy |
| Operating Temperature | -55°C to +175°C |
Key Features
- 3920 Package Size: 3.9mm * 2.0mm dimensions enable efficient heat dissipation for the 12W power rating
- 0.0002Ω (0.2m Ohm): Ultra-low resistance minimizes voltage drop for accurate current measurement
- 12W Power Rating: Suitable for high-current paths in power supplies, motor drives, and battery systems
- 1% Tolerance: Ensures consistent and accurate current measurement across all units
Critical Role of Ultra-Low ESR (0.2m Ohm)
The 0.0002Ω (0.2m Ohm) ESR minimizes power loss (P = I²R) and reduces heat generation with high currents. This efficiency makes it ideal for maximizing battery life in electric vehicles and improving power conversion systems.
Superior Material and Construction
Manganese-Copper (MnCu) alloy provides:
- Low Temperature Coefficient of Resistance (TCR) for stable performance across temperature ranges
- Excellent long-term stability against oxidation and degradation
- Minimal thermoelectric EMF when connected to copper PCB traces
Enhanced Performance Features
- Low Inductance Design: Optimized for high-frequency applications without signal distortion
- High Surge Current Capability: Withstands transient overloads for rugged system performance
Application Areas
- Automotive Electronics: EV battery packs, motor controllers, onboard chargers
- Industrial Automation: PLC I/O modules, servo drives, power inverters
- Telecommunications & Server Power Supplies: High-efficiency converters
- Solar Inverters and Energy Storage Systems: Charge/discharge monitoring
Compliance and Environmental Responsibility
Fully compliant with RoHS and REACH regulations, constructed with lead-free materials to meet global environmental standards.
Conclusion
The 3920 0.0002Ω (0.2m Ohm) 12W metal shunt chip resistor combines ultra-low resistance with robust power dissipation, 1% tolerance, and exceptional stability. Its low inductance and high surge resilience make it ideal for demanding current sensing applications in automotive, industrial, and renewable energy sectors.
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Stock:
20000
MOQ:
2000
