The PSD220T-50 Series from Bourns is a Power Resistor with Resistance 0.02 to 15 kilo-ohm, Tolerance ±1 % to ±5 %, Power Rating 2.0 to 50 W, Temperature Operating Range -40 to 155 Degree C. Tags: Through Hole. More details for PSD220T-50 Series can be seen below.