75-Watt DC/DC Converter - 55K1

75-Watt DC/DC Converter - 55K1

Model DC/DC 55K1

75-Watt DC/DC Converter - 55K1

NAI’s 55K1 is a 75-Watt DC/DC Converter that accepts a +28 VDC input. This COTS unit provides full-power output, either single or triple, at a baseplate temperature of +100° C.

Standard features include remote error sensing; remote digital (TTL) turn on/off; and protection against transients, overvoltage, overcurrent, and short-circuits. Options such as ESS vibration testing and choice of output voltages are available, and additional options and special units can be ordered.

This conduction-cooled, switching power supply is specifically designed with NAVMAT component derating for rugged defense and industrial applications. It is also designed to meet the many harsh environmental requirements of military applications.

Power Supply Reference Guide


  • Ideal for rugged, conduction-cooled, military applications
  • Ordering information for single and triple outputs:
    • 55KS1 - single output
    • 55KT1 - triple output
  • Standard output voltages: 3.3 V, 5 V, 12 V, 15 V, 24 V, 28 V
  • Input transient protection per MIL-STD-704D
  • Integrated EMI filtering per MIL-STD-461D
  • High power density
  • Low profile packaging
  • Low noise
  • Operates at full load through the entire -55° C to +100° C temperature range
  • Contact factory for additional options and special units
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55K1 Series Specifications