SynQor Releases an Advanced 28 Vdc Input 3U VPX With Extended Hold-Up (VPX-3U-DC28TH- 001)

Press Release

Mar 26, 2024 10:00 EDT

Latest VPX from SynQor Enables MIL-STD-704F Compliance with Extended Hold-up Feature

SynQor®, Inc., announces its latest 28 Vdc input VPX power supply featuring extended hold-up designed for critical aerospace and shipboard applications: the VPX-3U-DC28TH. This 3U VPX adheres to VITA 46 standards, enabling military and industrial designers to power VITA 62 chassis with the latest flexible, efficient, and reliable VPX technology. Notably, a 50ms hold-up feature has been integrated into this VPX to meet the power interruption and drop-off requirements set out by MIL-STD-704F.

The VPX-3U-DC28TH is extremely efficient at 91% and is able to deliver 500 W throughout its full temperature range of -40 to 85 °C (at the wedge-locks). It is also equipped with an advanced set of features such as an integrated EMI filter, conduction cooling, six output voltages with reverse polarity, over-voltage, under voltage, short circuit, and over-temperature protections. In addition, this VPX supports I2C communications (IPMI, PMBus, VITA 46.11). The power supply’s standard VS1, VS2, and VS3 outputs can be load-shared on a standard VITA 62 chassis. Designed for the most demanding military and commercial applications the VPX-3U-DC28TH meets VITA 46, 47, 62, MIL-STD-704F, 461F, and 810G standards.


  • Six outputs (VS1: +12 V; VS2: +3.3 V; VS3: +5 V; Aux: +3.3 V, +12 V and -12 V)
  • 500 W output power over a temperature operating range: -40 to 85 °C
  • Extended hold-up time of over 50ms at 500 W
  • Integrated EMI filter with reverse polarity
  • Over voltage, under voltage, short circuit, over temperature protections
  • Current sharing on VS1, VS2 and VS3 outputs
  • I2C communication function (supports IPMI, PMBus, VITA 46.11)

Specification Compliance: 

  • VITA 46
  • VITA 47
  • VITA 62
  • MIL-STD-461F
  • MIL-STD-704F
  • MIL-STD-810G

SynQor’s field-proven, highly reliable technology shortens design cycles and helps designers/integrators yield reliable, dependable solutions for the very competitive military markets. Please click here to download the VPX-3U-DC28TH datasheet and here for the Operator’s Guide. For more information on this or for additional power application assistance, please explore more at or contact your local SynQor representative.

Source: SynQor, Inc.

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Agla News staff