AC-DC Power Supplies

AC-DC Power Supplies

EFE

300W - 400W Digital AC-DC power supplies

Taking digital control to the next level, TDK-Lambda’s revolutionary EFE Series of embedded power supplies deliver high efficiency and enhanced reliability. Rated at 300W and 400W, with peak power levels of 133%, they offer operating efficiencies of up to 90%. The EFE Series employs an 8-bit microcontroller for full digital control bringing a 25% parts count reduction to achieve a smaller and lighter design.

Features

  • High Efficiency
  • Digital control
  • 5 in x 3 in / 6 in x 3 in footprint
  • High Power Density (up to 22W/in³)
  • No minimum load
  • Fits 1U applications
  • 400/530 Watts peak power for 10 seconds
  • 5 Year Warranty

Product Range Information

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Part number Power (W) Output info Construction Status Datasheet
EFE300-12-CCMDS 300 12V / 25A
12V / 0.25A
Enclosed Datasheet
EFE300-12-CNMDS 300 12V / 25A
12V / 0.25A
Open Frame pcb Datasheet
EFE300-24-CCMDS 300 24V / 12.5A
12V / 0.25A
Enclosed Datasheet
EFE300-24-CNMDS 300 24V / 12.5A
12V / 0.25A
Open Frame pcb
EFE400-12-CCMDS 399.6 12V / 33.3A
12V / 0.25A
Enclosed Datasheet
EFE400-12-CNMDS 399.6 12V / 33.3A
12V / 0.25A
Open Frame pcb Datasheet
EFE400-24-CCMDS 400.8 24V / 16.7A
12V / 0.25A
Enclosed Datasheet
EFE400-24-CNMDS 400.8 24V / 16.7A
12V / 0.25A
Open Frame pcb Datasheet
EFE300-12-ECMDS 300 12V / 25A
Enclosed Datasheet
EFE400-12-ECMDS 399.6 12V / 33.3A
Enclosed Datasheet
EFE300-24-ECMDS 300 24V / 12.5A
Enclosed Datasheet
EFE400-24-ECMDS 400.8 24V / 16.7A
Enclosed Datasheet
Key : Current product

Technical Downloads

  • EFE400 Installation Manual
    View
  • EFE300 Installation Manual
    View
  • EFE300/400 & EFE300/400M Application Notes
    View
  • EFE300/400 Datasheet
    View
  • EFE China RoHS
    View

Related Information

  • Digital Power Conversion - Benefits of a Programmable Soft Start Characteristic
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  • Supplying the World - What to Consider when Designing a Power Supply
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  • Product Image
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  • Noise filter cross reference list
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In the TDK-Lambda Newsroom

Important announcement: Operation of ac-dc power supplies from dc input
Read the article

TDK-Lambda’s EFE300M digital power supplies meet latest medical approvals
Read the article

TDK-LAMBDA TAKES DIGITAL CONTROL TO THE NEXT LEVEL
Read the article

Taking digital control to the next level, TDK-Lambda’s revolutionary EFE Series of embedded power supplies deliver high efficiency and enhanced reliability. Rated at 300W and 400W, with peak power levels of 133%, they offer operating efficiencies of up to 90%. The EFE Series employs an 8-bit microcontroller for full digital control bringing a 25% parts count reduction to achieve a smaller and lighter design.

Further Resources »

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