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DC-DC Converter Box

The SGRBX Series is a technology-leading solution for space-rated DC-DC power conversion. VPT designed this box solution and the individual SGRB converters to thrive in the most demanding commercial, scientific, and military space environments. With state-of-the-art GaN technology, its radiation hardened design ensures long-term reliability, making it the perfect choice for space payload or primary spacecraft bus applications that require high efficiency and low noise.


  • Up to 1600 W output power
  • Continuous operation over a temperature range of
  • -35 °C to +70 °C with no power derating
  • Very low output noise
  • Undervoltage lockout
  • Integrated EMI filter
  • High Efficiency up to 96% using GaN Technology
  • 141 V, 1 msec transient
  • 80 V transient with reduced output power
  • Overvoltage Protection
  • Current limit protection / Short Circuit protection
  • Power Supply Telemetry
  • Parallel operation for higher power requirements using current share. See Section 6.2.3 Parallel Operation (SHARE) for more details