Are 20W Switchers Smallest In The World?

With a footprint no larger than a business card-its dimensions are 2" x 3.5" x 1"-the GSC20 switched-mode power supplies are claimed to be the world's smallest 20W switcher. They come in five models rated from 5V to 28V. And in addition to a worldwide input range of 90 to 264 vac, standard overvoltage protection, fixed-frequency operation, and conducted EMI to CISPR 22B and FCC Class B, all models are approved to UL 1950, IEC 950, CSA 22.2 No. 234 Level 3 and EN60950. The series is 100% burned in with cycling and computerized testing is furnished with data sheets.