The WSR-2 0.025 1% is a low-value, high-power current sense resistor manufactured by Vishay. It's designed for accurate current measurement in various electronic applications where precision and reliability are critical. 'WSR-2' designates the series, '0.025' represents the resistance value (0.025 Ohms), and '1%' indicates the tolerance.

Applications:

• Current Sensing in Power Supplies
• Overcurrent Protection
• Battery Management Systems
• Motor Control
• Inverters

Features:

• Low Resistance Value (0.025 Ohms): Minimizes power loss and voltage drop across the resistor.
• High Power Rating: Capable of dissipating significant power without degradation.
• 1% Tolerance: Ensures accurate current measurement.
• All-Welded Construction: Provides robust and reliable performance.
• Low Inductance: Minimizes inductance-related errors, especially in high-frequency circuits.

Benefits:

• Accurate Current Measurement: Enables precise monitoring and control of current flow in circuits.
• High Efficiency: Low resistance minimizes power dissipation, improving overall system efficiency.
• Reliable Operation: Robust construction ensures long-term stability and consistent performance.
• Suitable for High-Current Applications: Designed to handle substantial current levels without compromising accuracy or reliability.

Additional Details:

The WSR-2 series resistors are typically available in a surface-mount package. Key specifications include the resistance value (0.025 Ohms), tolerance (1%), power rating (consult the Vishay datasheet for the specific power rating of the WSR-2 series), and temperature coefficient of resistance (TCR). The resistor is designed to operate within a specified temperature range. Detailed performance specifications, including power derating curves and temperature characteristics, can be found in the Vishay WSR-2 series datasheet. The all-welded construction contributes to its long-term stability and reliability in demanding current sensing applications.