The 81 3008TC from Smiths Interconnect is a Resistor with Resistance 5 to 250 Ohms, Power Rating 250 W, Tolerance ±5%. Tags: Tab & Cover, 5 to 250 Ohms, 5 to 300 Ohms, 50 W, Flanged Thin Film RF Resistor. More details for 81 3008TC can be seen below.