The WSR-2 0.04 1% is a high-power, low-value resistor manufactured by Vishay. This resistor is part of the WSR series, known for its high surge capability and low temperature coefficient of resistance (TCR). It is commonly used in current sensing applications, power supplies, and automotive electronics. The WSR-2 features a solid metal alloy resistive element, providing excellent stability and reliability.

Applications:

• Current sensing
• Power supplies
• Voltage regulation
• Automotive electronics
• High-power circuits

Features:

• Low resistance value (0.04 ohms)
• High power rating (2 Watts)
• Low temperature coefficient of resistance (TCR)
• High surge capability
• Solid metal alloy resistive element
• RoHS compliant

Benefits:

• Precise current measurement due to low resistance value
• Reliable performance in high-power applications
• Stable resistance value over a wide temperature range
• Protection against transient voltage spikes
• Excellent long-term stability

Additional Details:

The WSR-2 0.04 1% has a resistance tolerance of 1%, ensuring accurate current sensing. Its low TCR minimizes resistance drift over temperature, improving the accuracy of measurements. The resistor's solid metal alloy construction provides superior electrical and thermal conductivity. The WSR series is designed for surface mounting, facilitating automated assembly processes. This resistor is suitable for applications requiring precise current control and monitoring.