Power Supplies

May 2023
­1 watt DC/DC converters with 480 VAC isolation voltage

TRACO POWER’s new TRI 1 and TRI 1SM

  The core characteristic of the TRI 1(SM) series is a sophisticated reinforced isolation system which is able to withstand high test voltages (8000 VDC for 1s and 3000 VAC for 60s) and working voltages (480 VACrms). Efficiencies up to 84% allow safe operation from –40°C to +85°C without derating.
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Date:
05/10/2023
Inline Fuse Holder Series Offers Easier Installation, Saves PC Board Space

Inline Fuse Holder Series Offers Easier Installation, Saves PC Board Space

­Littelfuse, Inc. announced the latest release of the 150520 Series Inline Fuse Holders product line. The latest 150520 Series Inline Fuse Holders are rated 600 VAC/VDC voltage at 20 amps in a 5x20 mm size. These convenient inline fuses are ideal for applications requiring supplemental circuit pr
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Date:
05/10/2023
ROHM Begins Mass Production of 650V GaN HEMTs that Deliver Class-Leading Performance

ROHM Begins Mass Production of 650V GaN HEMTs that Deliver Class-Leading Performance

­ROHM Semiconductor announced mass production of 650V GaN (Gallium Nitride) HEMTs GNP1070TC-Z and GNP1150TCA-Z optimized for a wide range of power supply systems applications. These new products are jointly developed with Ancora Semiconductors, Inc., an affiliate of Delta Electronics, In
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Date:
05/08/2023
Back in the APEC Saddle

Jason Lomberg, North American Editor, PSD

­Another APEC’s in the books, and while by all accounts, this year’s gala in Orlando was business-as-usual, it held special significance for me. I’m no greenhorn — to the industry, PSD, or APEC —but this was the first Applied Power and Electronics Conference I’ve attended since COVID-19 upended t
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Date:
05/01/2023
Tech Trailblazer: Class 4 Fault-Managed Power Systems for 5G and More

Click image to enlarge

Figure 1. Class 1, 2, 3, and 4 maximum voltage and power levels (NEC 2023 Edition)

­Power systems designers have, for decades, been limited by the strict guideposts on Classes 1, 2, and 3 circuitries, but the NEC’s newly defined Class 4 power (as laid out in Article 726) will offer a compelling alternative. Fault-Managed Power Systems and How They Work To understand the opportunities Clas
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Date:
05/01/2023

 


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