The 5318 XXX,5 from Smiths Interconnect is a Resistor with Resistance 25 to 250 Ohms, Power Rating 10 W, Tolerance ±5%. Tags: Flanged, 25 to 250 Ohms, 7 to 1000 Ohms, 150 W, Flanged Thin Film RF Resistor. More details for 5318 XXX,5 can be seen below.