The 81 7031 from Smiths Interconnect is a Resistor with Resistance 10 to 200 Ohms, Power Rating 10 W, Tolerance ±5%. Tags: Surface Mount, Chip, 10 to 200 Ohms, 10 to 400 Ohms, 30 W, Tab & Cover Thin Film RF Resistor. More details for 81 7031 can be seen below.