The 81 3006TC from Smiths Interconnect is a Resistor with Resistance 7 to 250 Ohms, Power Rating 150 W, Tolerance ±5%. Tags: Tab & Cover, 7 to 250 Ohms, 9 to 300 Ohms, 40 W, Flanged Thin Film RF Resistor. More details for 81 3006TC can be seen below.