The GWK 150 Ni from Vishay is a Power Resistor with Resistance 36 to 15000 ohm, Tolerance ± 5 to 10 %, Power Rating 60 W, Voltage Rating 1600 V, Temperature Operating Range -55 to 350 Degree C. Tags: Screw Mount. More details for GWK 150 Ni can be seen below.