The GWS 30/133 E from Vishay is a Power Resistor with Resistance 36 to 13000 ohm, Tolerance ± 5 to 10 %, Power Rating 130 W, Voltage Rating 2300 V, Temperature Operating Range -55 to 350 Degree C. Tags: Screw Mount. More details for GWS 30/133 E can be seen below.