The DC Voltage ratings are the AC voltage values times 1.41 (usually rounded).
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.
There are three main types of circuit breakers: standard, AFCI circuit breakers and GFCI breakers.
a group of products which fulfill a similar need for a market segment or market as a whole.
a particular group of related products.