The 81 7028 from Smiths Interconnect is a Resistor with Resistance 5 to 200 Ohms, Power Rating 50 W, Tolerance ±5%. Tags: Surface Mount, Chip, 5 to 200 Ohms, 7 to 250 Ohms, 150 W, Tab & Cover Thin Film RF Resistor. More details for 81 7028 can be seen below.