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AC-DC Power Supplies


300-317W Eighth Brick Converter

TDK-Lambda's iEH series of 300W industry standard eighth brick DC-DC converters are available with a 12V output, an input from 36 to 75V and are ideal for intermediate bus architectures. The use of digital adaptive control enables fast transient response and greater stability with a wide range of output capacitance and true useable power in low airflow conditions.


  • 300W in Eighth Brick package
  • Digital adaptative control
  • Up to 95.5% efficiency
  • Constant switching frequency
  • Baseplate cooling

Product Range Information

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Part number Power (W) Output info Construction Status Datasheet
iEH4N033A096V-1D9-R 317 9.6V / 33A
Eighth Brick Current product   Datasheet
iEH4N030A102V-1D9-R 306 10.2V / 30A
Eighth Brick Current product   Datasheet
iEH48028A108V-109-R 302 10.8V / 28A
Eighth Brick Current product   Datasheet
iEH48025A120V-109-R 300 12V / 25A
Eighth Brick Current product   Datasheet
Key : Current product

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Related Information

In the TDK-Lambda Newsroom

Digitally controlled 300W eighth bricks offer improved dynamic response
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