PWR263S-35-1R00F is a 35 W power resistor manufactured by Bourns using thick-film technology on alumina ceramic substrate in a D²PAK (TO263) surface-mount package. This specific variant features a 1 O resistance value with ±1% tolerance and is designed for current measurement, snubber, bleeder, and discharge circuits. The resistor exhibits low inductance (0.1 µH maximum), thermal resistance of 3.7 °C/W, and operates reliably across -55 °C to 155 °C with a temperature coefficient of ±100 PPM/°C. It is RoHS and AEC-Q200 compliant, with dielectric strength rated at 2 kV AC and insulation resistance of 10 GO, making it suitable for demanding automotive and industrial applications requiring high reliability and thermal performance.