The WSR-20.0025% is a high-power, low-value current sense resistor manufactured by Vishay. It is designed for precise current measurement in a variety of applications, providing excellent stability and reliability.

Applications

• Power supplies
• Motor control circuits
• Inverter circuits
• Battery management systems
• Automotive electronics

Features

• Extremely low resistance value (0.002 Ohm)
• High power rating (5W or more, check datasheet)
• Tight tolerance (0.25%)
• Low temperature coefficient of resistance (TCR)
• All-welded construction
• RoHS compliant

Benefits

• Minimal power loss due to ultra-low resistance
• Accurate current sensing for precise control
• Stable performance over a wide temperature range
• Robust design for demanding applications
• Meets environmental regulations

Additional Details

The WSR series resistors from Vishay are known for their all-welded construction, which provides superior reliability and pulse withstanding capabilities. The low resistance value minimizes power dissipation and improves overall system efficiency. The 0.25% tolerance ensures accurate current measurement.

These resistors are typically used in high-current applications where precise monitoring and control of current flow are critical. They also feature excellent long-term stability and a low temperature coefficient of resistance, ensuring consistent performance over a wide range of operating conditions.

Specific technical specifications will vary depending on the exact model and manufacturer's datasheet, but typical characteristics include resistance value, tolerance, power rating, temperature coefficient, inductance, and operating temperature range. Consult the official datasheet for the most accurate and up-to-date information.