The 31 1075 from Smiths Interconnect is a Resistor with Resistance 12 to 400 Ohms, Power Rating 150 W, Tolerance ±5%. Tags: Flanged, 12 to 400 Ohms, 100 Ohms, 400 W, Surface Mount Thin / Thick Film RF Resistor. More details for 31 1075 can be seen below.