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The HE104+DX is designed for low noise embedded computer systems, has a wide input range of 6-40V (>6:1) and is ideal for battery or unregulated input applications. The HE104+DX is specifically designed for vehicular applications and has heavy-duty transient suppressors (9000W on both main and secondary inputs) that clamp the input voltage to safe levels, while maintaining normal power supply operation.

The HE104+DX is a state-of-the-art Mosfet based design that provides outstanding line and load regulation with efficiencies up to 90 percent. Organic Semiconductor Capacitors provide filtering that reduces ripple noises below 20mV. The low noise design makes the HE104+DX ideal for use aboard aircraft or military applications or wherever EMI or RFI must be minimized. The +5VDC and +12VDC outputs are controlled by a constant frequency architecture regulator that provides excellent line and load transient response.

The HE104+DX has an optocoupled on/off input (SD) to control the outputs of the HE104+DX. To enable the HE104+DX outputs, a 6 to 40V signal must be connected to the SD input. If remote control is not required, the SD input can be connected to the main power input. The common for the remote 6 to 40V signal must be connected to the HE104+DX common. If the SD input is connected directly to the main input power connector, the common for the SD input is already done. The HE104+DX is now RoHS compliant.


 Electrical Specifications

    5V output 15A
    12V output 3A
    3.3V output 10A
    -12V output 0.5

Input Voltage 6 to 40V


    Temperature Range -40ºC to +85ºC
    PC/104 size & mounting holes with PC/104 and PCI-104 (Plus) busses
    3.55"W x 3.75"L x 0.6"H
    Weight 6.08 oz/172.37 grams

Performance Characteristics

    Load Regulation (5V output) <60mV
    Line Regulation 40mV
    Output temp. drift (5V output) <40mV
    Switching Freq. 300kHz
    Max. Input Transient 125V for 100msec
    Output Ripple (5V output) <20mV
    Conducted Susceptibility (5V output) >57db
    Efficiency (5V output) Up to 90%



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