Complete, Easy-to-Use & High-DensityVI Brick® AC Front End

AC-DC Converter: Low Profile Module

The Vicor VI Brick AC Front End module is the lowest profile, modular AC-DC solution. It provides high efficiency in a robust brick package. And greatly simplifies power design due to integrated filtering, rectification, and transient protection. The module incorporates active power factor correction (PFC) and operates over a wide input range.


Vicor ACFE Schematic

Major Specifications

  • Universal Input: 85 – 264 VAC
  • Output: 48 VDC; isolated, regulated
  • Power: 330 W, over entire input voltage range
  • Low Profile: 9.55 mm

Key Features

  • Complete AC-DC PCB-mounted solution
  • Active Power Factor Correction (PFC)
  • Rectification, filtering, and transient protection
  • Power density: 121 W/in3, 330 W in 7.2 in2 footprint
  • High efficiency over world-wide AC mains
  • Secondary-side energy storage
  • SELV 48 V Output
    • Efficient power distribution to POL converters


  • 3,000 VAC /4,242 VDC isolation
  • PFC (THD) exceeds EN61000-3-2 requirements
  • Conducted emissions EN55022, Class B (with a few external components)
  • Surge immunity EN61000-4-5
  • ZVS high frequency (MHz) switching
  • 100°C baseplate operation


Digi-Key P/N Manufacturer P/N Description Order Online
1102-1550-ND FE175D480C033FP-00 AC/DC CONVERT 48V 6.9A Buy Now
1102-1552-ND FE175D480M033FP-00 AC/DC CONVERT 48V 6.9A Buy Now
1102-1553-ND FE175D480T033FP-00 AC/DC CONVERT 48V 6.9A Buy Now

Evaluation Boards

Digi-Key P/N Manufacturer P/N Description Order Online
1102-1551-ND FE175D480C033FP-CB BOARD EVAL FOR FE175D480C033FP-00 Buy Now