The PWR163 Series from Bourns is a Power Resistor with Resistance 0.02 to 130000 Ohms, Tolerance ±1 to 5 %, Power Rating 25 W, Voltage Rating 2 KV (Dielectric Strength), Temperature Operating Range -55 to 155 Degree C. Tags: Surface Mount. More details for PWR163 Series can be seen below.