The SSA3921L0M30FWR from Littelfuse is a Current Shunt Resistor that is ideal for frequency converters, power modules, communication systems, and power hybrid applications. It has a resistance of 0.3 milli-ohm and a resistance tolerance of ±1 %. This RoHS-compliant power resistor has a power rating of 10 W. It is available in a surface-mount package that measures 10 x 5.2 mm.