This is a high-precision, thick film chip resistor with a 0603 package size. It has a resistance of 0.39 ohms with a tolerance of 1% and a power rating of 0.25 watts (1/4 watt). The resistor offers a low temperature coefficient of 0 ppm/°C, up to 300 ppm/°C, making it suitable for automotive and industrial electronic applications. Designed for surface-mount device (SMD) mounting, it features a robust construction for reliable performance in demanding environments.