Operating from universal 90–265 Vac, 49–420 Hz, single-phase or 110–350 Vdc supply, 1.7 x 3.5 x 8.8 in. WN8B single-output power modules are available with 39 output voltages from 3.3–125 V and ±0.5 or ±1 V user-adjustment range. Output voltage may be controlled by external 1K potentiometer, and efficiency is rated up to 81%. Along with up to 75 W output power, 0 to +71°C rated products offer PFC of 0.99 at 115 Vac, 60 Hz and full load as well as current limiting capabilities.