Ericsson PKJ4519PIT

That power available at a specified output of a device under specified conditions of operation.

Isolation voltage refers to a test of the ability of an insulator to minimize the flow of electric current with a high applied voltage.

Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.