The WSR-2-R36 is a power metal strip resistor from Vishay Dale, designed for current sensing and shunt applications. It combines a low resistance value with a high power rating and excellent long-term stability. The ‘R36’ designation indicates a resistance value of 0.36 ohms. These resistors are commonly used in circuits that require accurate current measurement, high pulse load capability, and reliable performance in demanding environments.

Applications:

• Current Sensing: Provides accurate measurement of current in power supplies, motor control circuits, and battery management systems.
• Power Supplies: Used for current limiting and protection in power supply designs.
• Motor Control: Enables precise current feedback for efficient motor control.
• Battery Management Systems (BMS): Monitors battery current for accurate state-of-charge determination.
• Inverters: Provides current monitoring and protection in inverter circuits.

Features:

• Low Resistance Value: 0.36 ohms, suitable for current sensing applications.
• High Power Rating: Designed to dissipate significant power without significant resistance drift.
• All-Welded Construction: Offers enhanced robustness and reliability.
• Low Temperature Coefficient of Resistance (TCR): Provides stable resistance over a wide temperature range.
• Solid Metal Element: Ensures excellent pulse handling capability.

Benefits:

• Accurate Current Measurement: Enables precise monitoring and control of current.
• High Stability: Maintains its resistance value even under varying temperature and load conditions.
• Robust Performance: Withstands high surge currents and harsh environments.
• Improved System Efficiency: Minimizes power losses due to its low resistance value.
• Long-Term Reliability: Offers consistent and dependable performance for long-term use.

Additional Details:

The WSR-2-R36 is designed with a specific tolerance rating that indicates the accuracy of the resistance value. The TCR (Temperature Coefficient of Resistance) is an important parameter that specifies how much the resistance changes with temperature, with a lower TCR indicating better stability. The resistor's construction material and design contribute to its high surge current capability and long-term reliability. It is commonly used in automotive, industrial, and consumer electronics applications where accurate current sensing and high reliability are critical.