The FHR 4-2321 from Riedon Resistors is a Power Resistor with Resistance 0.001 to 50 ohm, Tolerance ±0.5 to 5 %, Power Rating 3 to 40 W, Temperature Operating Range -40 to 130 Degree C. Tags: Through Hole. More details for FHR 4-2321 can be seen below.