Product Details

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SMP120 Radiation Tolerant Space Series

Crane A&E’s Interpoint® SMP120 Series™ of DC-DC power converters offer an 80-160V input range and up to 49 watts of power in a radiation-tolerant design. The low profile SMP120 converters are manufactured in our fully certified and qualified MIL-PRF-38534 Class K production facility and packaged in hermetically sealed steel cases. They are ideal for use in programs requiring high reliability, small size, and high levels of radiation hardness assurance.


  • Radiation tolerant space converter 1
    • Single event effects (SEE) LET performance to 43 MeV cm 2/mg
    • Total ionizing dose(TID) guaranteed per MIL-STD-883 method 1019, radiation hardness assurance (RHA) L=50 krad(Si), R = 100 krad(Si)
    • 50-300 rad(Si)/sec dose rate (ConditionA)
    • 10m rad(Si)/sec dose rate (ConditionD)
  • Output overvoltage protection
  • Inrush current limit
  • Built in EMI filter
  • Output trim from ±10% of nominal
  • Operating temperature -55° to +125°C
  • Screened to MIL-PRF-38534 Class H and K 1
  • Input voltage range 80-160 volts
  • Transient protection 180 volts for 100 ms
  • Fully isolated, magnetic feedback
  • Fixed high frequency switching
  • Remote sense
  • Inhibit function, synchronization input
  • Indefinite short circuit protection