CSS4J-4026R-1L00F is a precision current sense resistor designed for high-power applications requiring accurate current measurement. It features a resistance of 1.0 mO with a power rating of 4 W at 70°C and operates across a wide temperature range of -55°C to +170°C. The resistor employs an EB-welded metal strip construction with Cu-Mn resistive alloy, delivering excellent long-term stability with a temperature coefficient of ±75 PPM/°C and low thermal EMF. With inductance below 3 nH, ±1% resistance tolerance, and compliance with RoHS, halogen-free, and AEC-Q200 standards, this component is ideal for automotive and industrial power management systems requiring reliable current monitoring and thermal stability.