Caddock 500mΩ Power Film Resistor 20W ±1% MP821 0R5 1%

Caddock MP800 series power film resistors in the TO-220 style power package with metal mounting tab. These resistors have a resistance range of 0.020 Ω to 10.0 K. The MP800 Series has a non-inductive design for high-speed switching, snubbers, and rf applications.

Power film resistors in TO-220 enclosure.
Non inductive.
Can accommodate a heat sink.
These types of components are very useful at high frequencies up to 500 MHz.
Electrically insulated enclosure.