CSS2H-2512R-1L00FE is a precision current sense resistor from Bourns designed for high-power applications requiring accurate current measurement. It features a resistance of 1.0 mO with a power rating of 5 W at 70°C and 3 W at 130°C, utilizing a Cu-Mn resistive alloy with a temperature coefficient of ±75 PPM/°C. The device incorporates an EB-welded metal strip construction, operates over a temperature range of -55°C to +170°C, and maintains excellent long-term stability with low thermal EMF and inductance below 2 nH. It is RoHS compliant, halogen-free, and AEC-Q200 qualified, making it suitable for automotive and industrial power management, battery monitoring, and motor control applications where reliable current sensing is essential.