CSS2H-3920R-L500F is a high-power current sense resistor from the CSS2H-3920 series, designed for precision current measurement in demanding applications. It features a resistance value of 0.5 mO with power ratings of 9 W at 70°C and 5 W at 130°C, utilizing Cu-Mn alloy resistive material with EB welded metal strip construction. The device offers excellent long-term stability with a temperature coefficient of ±100 PPM/°C including copper terminals, low inductance of less than 3 nH, and operates over a wide temperature range of -55°C to +170°C. This AEC-Q200 compliant, RoHS compliant, and halogen-free resistor is ideal for automotive, industrial, and power management applications requiring accurate current sensing with high reliability.