Engineering 101

Power Supply Product Low Profile 3 x 5” 75W Triple Output Power Supplies

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TDK Corporation announces the introduction of TDK-Lambda’s CUT75 low profile, triple output power supplies.  In the industry standard 3” x 5” footprint, the series is just 1.06” in height and is well suited for industrial, broadcast and test & measurement applications.

Operating from a universal input voltage of 85 to 265VAC, the CUT75 is available in two standard models.  The CUT75-522 offers 5V +12V output voltages and the CUT75-5FF 5V +15V with an output power of 75W.  The units can be configured as dual output power supplies (5V 24V or 5V 30V) by connecting outputs 2 and 3 in series.

The two converter topology of the CUT75 enables zero minimum load operation, good regulation and provides 500Vac isolation between the 5V and the secondary outputs for easier system configuration.  The 5V output is user adjustable from 5V to 5.25V.  Convection cooled, the series features a wide operating temperature range from -20 to 70oC ambient (with appropriate de-rating above 60 oC) and carries a 3-year warranty.

The CUT75 series has been certified to IEC/EN/UL60950-1 and carries the CE mark according to the LV and RoHS2 Directives.  All models meet EN55011-B, FCC Class B conducted / radiated emissions, IEC61000-4 immunity and EN61000-3-2 harmonic correction standards.

Options for the product include a cover (/A), baseplate (/B) and/or screw terminal blocks (/T) replacing the plug in type connectors.

More information can be obtained at the following TDK-Lambda Americas website, /lp/products/cut75-series.htm or by calling 800-LAMBDA-4.  Product availability for the CUT75 series can be found via the link to TDK-Lambda’s distributor network (see “Check Distributor Stock to Buy”) at http://www.us.tdk-lambda.com/lp/.

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Major applications

  • Industrial, test and measurement and broadcast applications

Main features and benefits

  • Industry standard 3 x 5” footprint and 1.06” height
  • 75W convection cooled
  • No minimum loads
  • Output 1 isolated from outputs 2 and 3

Major specifications

Model   CUT75-522 CUT75-5FF
Input voltage range Vac 85 to 265Vac
Output voltages Vdc 5V +12V -12V 5V +15V -15V
Output current A 8A 3A 1A 8A 2.5A 1A
Output power W 75W convection cooled
Operating temperature °C -20   to +70°C. (De-rate linearly to 60% load from 60 to 70°C)
Safety IEC/EN/UL   60950-1, CE Mark
Size (W x D x H) in 3 x 5 x   1.06”
Warranty Three   Years

 

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