Standex Electronics MK3-1C90C-500W

Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

Current rating is the maximum current that a fuse will carry for an indefinite period without too much deterioration of the fuse element.

In telecommunication, release time is the time interval for a circuit to respond when an enabling signal is discontinued