The 81 3001A from Smiths Interconnect is a Resistor with Resistance 5 to 200 Ohms, Power Rating 10 W, Tolerance ±5%. Tags: Surface Mount, Chip, 5 to 200 Ohms, 9 to 300 Ohms, 40 W, Tab & Cover Thin Film RF Resistor. More details for 81 3001A can be seen below.