“They don’t build ’em like they used to.” There’s plenty of truth to that old saw, especially when a switch-mode power supply from the 1940s still works with its original part ...

A computer power ... "switching" power supplies are commonly used. Their name is derived from the type of circuit used to change the voltage. For more details, see transformer. See power adapter.

DUBLIN--(BUSINESS WIRE)--The "Switching Mode Power Supply Market: Market Size, Trends, Opportunities and Forecast by End-User Industry, Application, Solution Type, Region, By Country: 2020-2030 ...