The Milliohm HoLR2728-4W-25mR-1%-15ppm Current Sense Resistor (Shunt Resistor) is an UL recognized, metal-clad, high power, low resistance resistor, designed for current sensing applications. It provides a resistance of 25 milliohms ±1% and a maximum power rating of 4 Watts. It is designed to achieve good accuracy and stability over a wide temperature range and is RoHS compliant. It has a temperature coefficient of -15 ppm/°C maximum, making it ideal for use in demanding applications with high accuracy requirements. The resistor has a UL rating of 3190V, making it safe for use with high voltage circuits. Additionally, the resistor is a high surge rating device, rated for 5kA peak current.