The WSC452738R30JEA is a current sense resistor manufactured by Vishay. This resistor is part of the WSC series, designed for accurate current measurement in various electronic circuits. It offers a low resistance value and high power handling capabilities, making it suitable for applications requiring precise current sensing and control.

Applications:

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

Features:

• Low resistance value (38.3 mΩ) for minimal impact on circuit performance
• High power rating to withstand significant current flow
• 4527 package size (11.43 mm x 6.86 mm) for surface mount assembly
• Four-terminal construction for improved measurement accuracy
• Excellent long-term stability
• Low inductance for high-frequency applications
• AEC-Q200 qualified for automotive applications

Benefits:

• Precise current measurement for improved system control and efficiency
• Reduced power loss due to low resistance value
• Reliable performance in demanding applications
• Simplified circuit design with compact package size
• Enhanced stability over time and temperature
• Suitable for both DC and AC current sensing
• Improved protection against overcurrent conditions

Additional Details:

The WSC452738R30JEA resistor utilizes a metal strip construction that provides excellent electrical characteristics. The four-terminal design allows for Kelvin connections, which eliminate the effects of lead resistance on the measurement accuracy. The resistor is lead-free and RoHS compliant. The operating temperature range typically spans from -65°C to +170°C. The resistance tolerance is usually within a certain percentage, such as 5% as the 'J' indicates. This current sense resistor is commonly used in high-power applications where precise current monitoring is crucial for system performance and safety. The Vishay WSC series is known for its robust design and reliable performance in harsh environments.