Product Description

The SGRB12050S is a technology-leading solution for spacerated DC-DC power conversion. With its state-of-the-art GaN technology, VPT designed this converter to thrive in the most demanding commercial, scientific, and military space environments. 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. Standalone the SGRB12050S provides up to 9 amps and can be paralleled to reach significantly higher power levels if needed.

Due to its advanced fixed frequency reduced voltage switching topology, the SGRB12050S produces extremely low input and output noise. This award-winning power conversion solution can be used for a wide range of high-power space applications. With VPT’s extensive history of space flight heritage and proven

performance, the SGRB12050S will deliver the dependable performance that your mission demands.

HIghlights

  • Up to 400 W output power
  • Up to 9 A output current
  • Continuous operation over a temperature range of -35 °C to +85 °C with no power derating
  • Very low output noise
  • Integrated EMI filter
  • High Efficiency up to 95% using GaN Technology
  • 4 bit word voltage adjustment
  • 141 V, 1 sec transient
  • Undervoltage lockout
  • Overvoltage Protection
  • Current limit protection / Short Circuit protection
  • Power Supply Telemetry
  • Parallel operation for higher power requirements using current share.

Key Technical Features

Input
Input Voltage Range
96 - 136 VDC
Input Frequency
Output
# of Outputs
1 (Dual option)
Output Voltage
40 - 55 VDC
Current
9A
Power
400W
Efficiency
95%
Operational Temp
-35 °C to +85 °C
Dimensions
6.85” x 5.95” x 0.75”
Standards Compliance
J-STD-001 (Space Addendum) and IPC-A-610 TID - 100 krad(Si)
Manufacturer
VPT

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