The LR2512-21R015F4 is a low resistance and current sense resistor manufactured by RALEC. The resistor is a surface-mount component with a resistance of 0.015Ohms ±1% and a power rating of 1W. It has a 2512-package size and is RoHS compliant. It is designed for use in a wide range of applications, including ohmic sensing, circuit protection, and voltage sensing. It can also be used in a wide range of medium to high current circuits, such as power supplies, motor drives, solar panels, and more. It features low thermal resistance and offers excellent reliability.