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    Explanation of Product Status

    Under Development Products under development
    Please contact us for product availability and sample lead-time.
    In Production Product is in mass production.
    to be discontinued Not recommended for new designs. We are evaluating the schedule for the discontinuing of production of this item. Contact Murata or refer to the website for details of product supply and possible alternative product information.
    Discontinued product Production of this product has stopped. Contact Murata for inventory availability and possible alternative products.
    Recommended product This product is particularly recommended among our products currently in production.
    New product It's new item.


Technical Information

Total Output Power (W) 415
Form Factor 1.58 x 2.15 x 13.67in
Input Voltage Range (V) -44 to -72
Output Voltage 1 (V) 12
Output Voltage 2 (V) 5
Efficiency (%) 80
Operating Temp. Range (C) 0 to 50
Design Origin Murata Power Solutions
Dimensions (inch) 1.58 x 2.15 x 13.67
Dimensions (mm) 40.2 x 54.5 x 347.2
Output Current (A) 33.3
Output Current 2 (A) 3
Isolation (Vdc) 3000
PARD (typical) 1
Quality CSA/UL 60950-1-07-2nd Ed. IEC 60950-1:2005 (2nd Edition) EN 60950-1:2006 +A11 CE Marking per LV DIRECTIVE 2006/95/EC
RoHS 6 Yes
Series Headline 54mm 1U Front End AC-DC Power Supply Converter
Series Description The D1U2-D-400-12-HA4C is a 400 watt, DC input, isolated front end power supply with a 12V main output and a 5V (15W) standby. It features active current sharing for 2 supplies operated in parallel. The supply may be hot plugged, it recovers from overtemperature faults, and has status LEDs on the front panel in addition to logic and PSMI status signals. The supply comes in a low profile 1U package and has >8W/cubic inch power density, making it ideal for delivering reliable, efficient power to servers, workstations, storage systems and other 12V distributed power systems.