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Pulse Transformer

This unit is a high voltage pulse transformer used in the E-2C Hawkeye Airborne Surveillance Radar. The unit forms an integral part of the modulator for the Coaxitron radar transmitter by providing a 20kV, 200AMP, 13uS positive pulse to the plate circuit of the grid amplifier tube. This Pulse Transformer unit features full MIL-E-5400H Class 1 Environment Spec with a 35,000 foot altitude and 22,000 hour MTBF.

Electrical Specifications

  • Input Voltage: 5 kV nominal, 800AMPS peak
  • Frequency: 285 PPS to 305 PPS
  • Input Working Voltage: 6.5 kV PEAK
  • Rated Input Power: 3.05 MW PEAK at a duty cycle of .0039
  • Full Load Rated Current: 205 AMPS peak
  • Output Working Voltage: 26 kV PEAK
  • Efficiency: 95%
  • Capacity divider: 1000:1 on the output when used in series with a 15,000pF capacitor

Mechanical Specifications

  • Weight: 65 lbs
  • Size:
  • Operating Temp: -54 to +71 °C
  • Liquid Cooled: FC-77, 11.6GPM


  • Full MIL-E-5400H Class 1 Environment, 35,000 foot altitude
  • 22,000 hour MTBF
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