The CSM25120R0100BST is a high-precision current sense resistor manufactured by Vishay. This resistor is designed for accurate current measurement in various electronic circuits. It features a low resistance value (0.01 ohms), a high power rating, and a low temperature coefficient of resistance (TCR), making it suitable for demanding applications requiring precise current sensing, such as power supplies, motor control, and battery management systems.

Applications

• Current sensing in power supplies
• Motor control systems
• Battery management systems
• Overcurrent protection circuits
• Feedback control loops
• High-power applications

Features

• Low resistance value (0.01 ohms)
• High power rating (typically 5W)
• Low temperature coefficient of resistance (TCR)
• 4-terminal connection for accurate sensing
• Surface mount package (2512 size)
• High pulse load capability
• RoHS compliant

Benefits

• Accurate current measurement: Low resistance value and low TCR ensure precise current sensing over a wide temperature range.
• Efficient power dissipation: High power rating allows for handling significant current loads without overheating.
• Improved circuit performance: Accurate current sensing improves the performance and efficiency of control loops and protection circuits.
• Simplified design: Surface mount package simplifies board layout and assembly.
• Enhanced reliability: Robust design and construction ensure reliable operation in demanding environments.

Additional Details

The CSM25120R0100BST utilizes a metal strip construction to achieve its low resistance and high power handling capabilities. The 4-terminal connection minimizes the effects of lead resistance, further improving measurement accuracy. The resistor is designed to withstand high pulse loads, making it suitable for applications with transient current surges. Detailed specifications, including tolerance and maximum operating temperature, should be verified from the manufacturer's datasheet.