The RSF100JB-73-220K manufactured by Yageo is a metal oxide resistor 1 watt, 220K ohm, with 5% tolerance. It is used to control current flow, reduce noise levels, absorb energy, and provide resistance in electric circuits. It is a general purpose, through-hole component that can be used in a wide variety of applications including energy distribution, motion control, and signal conditioning. The RSF100JB-73-220K is RoHS compliant and is available in both leaded and lead-free versions. It is suitable for wave soldering.