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The VOF-350-15 is an open frame AC-DC converter from CUI Inc. featuring a 15V output and rated for 200W convection cooling (325W with forced air). It accepts a universal input of 90-264 Vac at 47-63 Hz and delivers high efficiency up to 94% with active power factor correction (minimum 0.95).
Key electrical specifications include a maximum output current of 21.675 A, ripple and noise of 150 mVp-p, line and load regulation of ±0.5%, and a transient response of 4% excursion with 5 ms recovery. The converter includes built-in protections: overvoltage (110-140%), overcurrent (110%), short circuit, and overtemperature (PCB temperature >110±10°C), all with hiccup mode and auto recovery.
Mechanically, the VOF-350-15 is housed in a compact open frame package measuring 127.0 mm x 76.2 mm x 25.4 mm (5.00" x 3.00" x 1.00") and is designed for chassis mount installation. It includes a fan output of 12 Vdc / 500 mA and a built-in trim pot for ±3% output voltage adjustment. The operating temperature range is -40°C to 70°C with derating.
The input voltage range is 90-264 Vac.
The output voltage is 15 Vdc and the maximum output current is 21.675 A.
Overvoltage protection (110-140%), overcurrent protection (110%), short circuit protection, and overtemperature protection (PCB temperature >110±10°C), all with hiccup mode and auto recovery.
The operating temperature range is -40°C to 70°C with derating.
Dimensions are 127.0 mm x 76.2 mm x 25.4 mm (5.00" x 3.00" x 1.00") and the mounting type is chassis mount.
Typical efficiency is 92% and maximum efficiency is up to 94%.
Yes, it has active PFC with a minimum power factor of 0.95 at full load.