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PC/104-Plus 123 Watt Isolated Embedded Power Supply

Operating Temperature -40° to +85°C

IATX104plus Isolated Power Supply
PC/104 Power Supply Stackable Enclosure
Rugged IDAN configurations available

Key Features

  • PC/104 Form Factor
  • PC/104-Plus Stackable Bus Structure
  • High Power Capacity
    • 123 W maximum output power
    • Operational from -40°C to +85°C
    • Efficiency as high as 90%
  • Isolation Voltage 2000V
    • Wide Input Voltage Range
    • 18-36 Vdc Unregulated DC input
    • Low input capacitance
    • Low input current ripple
    • Reverse Polarity Protection to 100 Volts
    • Input Voltage Transient Protection
  • Outputs
    • +5 Vdc at 16.0 A
    • +5 STNDBY Vdc at 2.0 A
    • +3.3 Vdc at 10.0 A
    • +12 Vdc at 2.0 A
    • -12 Vdc at 500 mA
    • -5 Vdc at 100 mA on PC/104 bus
  • Status LEDs
    • Placed by the ISA BUS; +5V, -5V, +3.3V, +12V, and -12V
  • Remote ON/OFF operation available
  • ATX signaling


The IATX104plusHR is a 123 Watt high power DC/DC converter for PC/104+ systems. The supply provides +5V, +5VSTNDBY, +3.3V, +12V, -12V, and -5V to the PC/104 bus and to the PC/104-Plus bus. Additionally, +5V, +3.3V, +12V, and -12V are provided at auxiliary connectors on the supply.

The design uses a +5V Isolated supply to cascade to a +12V and a -12V circuit. The -5V is cascaded from the -12V circuit. The +5V is designed for 80 Watts, the 3.3V is designed for 33 W, the +12V is designed for 24 Watts, and the -12V is designed for 6 Watts.

The IATX104plusHR was designed to work without a heat sink and is easily integrated into IDAN systems using conduction cooling.

Physical Attributes

  • Dimensions
    • Length (L): 3.775 inches (95.89 mm)
    • Width (W): 3.550 inches (90.17 mm)
    • Stand-off Height: 0.600 inches (15.24 mm)
  • Weight: Approximately 0.46 lbs. (0.21 Kg)
  • Standard Operating Temperature, 90% humidity non-condensing: -40 to +85°C
  • Storage Temperature: -55 to +125°C

Recommended Accessories

Documentation and Downloads

Ordering Information

Part Number Description Value

  PC/104-Plus Isolated 123 Watt embedded power supply



RTD Embedded Technologies, Inc.
Designed and Made in the USA
sales@rtd.com   |   +1-814-234-8087