Compact desktop PSU features Gallium Nitride switch

28-05-2020 | FiDUS | Power

The new FiDUS Power class-leading power supply is claimed to be 2x smaller than competing products due to its cutting-edge design which includes gallium nitride switching technology.


Designers of portable equipment and instrumentation in markets including IT, medical, telecoms and datacomms, test and measurement and security will embrace the particularly small size of the new GDA160 external power supply. This sleek, modern and highly efficient power unit will assist in reducing overall end-product package sizes and enhance logistics with increased storage and shipping densities.


GDA160 AC/DC power adapters are offered qualified to IEC equipment class I (earthed) or II (double insulated) (C14/C6 and C8 power inlet). The C8 inlet model is 11mm shorter than the C14 model to accommodate the IEC input mould. Actual sizes are C14/C6: 6.33" x 2.12" x 1.3" (161mm x 54mm x 33mm) C8: 5.9" x 2.12" x 1.3" (150mm x 54mm x 33mm)


The ultra-compact size of the device is due to the employment of GaN switching semiconductors which are far more efficient than conventional silicon devices, generate less waste heat, and run at higher frequencies enabling the size of magnetic and other components to be decreased, producing a power supply design with a greatly increased power density.


The device future-proofs new designs by satisfying the latest energy efficiency legislation, Department of Energy Level VI and Energy Related Products Tier 2, and latest general safety approval EN62368-1. The units provide global approvals for use in Japan (PSE), China (CCC) and Taiwan (BSMI) as well as the Americas (UL) and Europe (CE).


Mark Gibbons, engineering manager at FiDUS Power, comments: “This new addition to our ultra-compact external power supply range complements our recently launched 200W GDA200 model and increases the options available to designers of portable products, offering a great deal more value for money and design flexibility. We will continue to grow this family of ultra-compact external desktop products with a 120W, 250W and 300W unit complete with their medical variants.”

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