PUI Audio, Inc. UTR-1440K-TT-R

RATED voltage is the voltage on the nameplate - the "design point" for maximum power throughput and safe thermal operation.

The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

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.

Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.