The GWK 200 Ni from Vishay is a Power Resistor with Resistance 56 to 22000 ohm, Tolerance ± 5 to 10 %, Power Rating 100 W, Voltage Rating 2300 V, Temperature Operating Range -55 to 350 Degree C. Tags: Screw Mount. More details for GWK 200 Ni can be seen below.