EMA25F3W0R500KDG
2512 ,0.5R(500mR) ,±1% ,3W ,KARMA ,±50PPM Metal Current Chip Resistor
Precision and Power in Current Sensing
In modern electronics where efficiency and accuracy are paramount, the 2512 ,0.5R(500mR) ,±1% ,3W ,KARMA ,±50PPM metal current 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 | 0.5Ω (500mΩ) |
| Tolerance | ±1% |
| Power Rating | 3W |
| Package Size | 2512 |
| Temperature Coefficient (TCR) | ±50 ppm/°C |
| Resistance Material | Manganese Copper (KARMA) alloy |
| Operating Temperature | -55°C to +170°C |
Key Features
- 2512 Package Size: dimensions enable efficient heat dissipation for the 3W power rating
- 0.5Ω (500m Ohm): Ultra-low resistance minimizes voltage drop for accurate current measurement
- 3W 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 Mater ESR (500m Ohm)
The Metal Current Sensing Chip Resistor 500m OHM 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
Metal Current Sensing Chip Resistor ,2512 ,0.5R(500mR) ,±1% ,3W ,KARMA ,±50PPM 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.
