Overview
The WSHP28181L000FEA is a high-power, low-ohmic current sense resistor designed for precise current measurement in high-current circuits.
It is widely used in motor drives, power supplies, and battery management systems, where low resistance, high accuracy, and thermal stability are required.
Core Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 0.001 Ω |
| Resistance Tolerance | ±1% |
| Power Rating | Up to 5 W |
| Temperature Coefficient | ±75 ppm/°C |
| Package Size | 2818 (7.1 mm × 4.6 mm) |
| Technology | Metal element, surface mount |
These parameters make the device suitable for high-current sensing applications, especially where low power loss and thermal reliability are critical.
Features
- Ultra-low resistance for minimal power dissipation
- High power handling capability in compact SMD package
- Excellent long-term stability and low TCR
- Metal element construction for high pulse capability
- AEC-Q200 qualified versions available
Typical Application Scenarios
- BLDC and servo motor current sensing
- Switching power supplies and DC-DC converters
- Battery management and protection circuits
- Industrial inverters and motor drivers
- Automotive power control systems
The DRV8353RSRGZR motor driver often uses a WSHP28181L000FEA high-power sense resistor for accurate current sensing. This low-ohmic resistor works with the driver’s integrated shunt amplifiers to enable precise current control and protection in BLDC motor applications.
Performance Comparison
Compared with standard thick-film resistors, the WSHP28181L000FEA offers lower resistance drift, higher power density, and improved pulse handling capability. This makes it more suitable for demanding power electronics applications requiring stable and accurate current measurement.
Conclusion
The WSHP28181L000FEA combines low resistance, high power capability, and excellent thermal performance in a compact surface-mount package. It is an ideal solution for designers seeking reliable and accurate current sensing in high-current and high-efficiency power systems.
Manufacturer Profile
Vishay Intertechnology is a globally recognized manufacturer of passive and semiconductor components. Its resistor portfolio is widely used in automotive, industrial, and power electronics markets, known for consistent quality and long-term reliability.
FAQ
Q1: What type of applications is WSHP28181L000FEA best suited for?
A: It is ideal for high-current sensing applications such as motor drives, power converters, and battery management systems.
Q2: What advantages does this resistor offer over standard current sense resistors?
A: It provides lower resistance, higher power handling, better thermal stability, and improved accuracy under high current conditions.
Q3: Can WSHP28181L000FEA handle pulsed current loads?
A: Yes. Its metal element construction allows strong pulse load capability and stable performance in dynamic current environments.
Q4: How can the quality of this product be verified?
A: 7SEtronic follows a complete and standardized quality inspection SOP, including label verification, visual inspection, and X-RAY analysis, which can be referenced for quality assurance.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
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