Compact Medium-Power Planar Transformer has >99% typ efficiency.

Press Release Summary:




Offering 1–3 kW from 70 x 53 x 22 mm package, Vishay Sfernice PLA51 is optimized for DC/DC power converters, on-board chargers for electric vehicles, UPS, power control cooling units, and solar inverters. RoHS-compliant product, offered in full-bridge, half-bridge, and forward power supply topologies, features 50–400 kHz frequency range, -55 to +125°C operational range (with heatsink dissipation), and tapped outputs that facilitate connection.



Original Press Release:



Vishay Intertechnology Medium-Power Planar Transformer Provides Higher Efficiency, Space Savings Over Traditional Winding Technology



Device Offers Power From 1 kW to 3 kW in Compact 70 mm by 53 mm by 22 mm Size



MALVERN, Pa. – Vishay Intertechnology, Inc. (NYSE: VSH) today introduced a new planar transformer offering power from 1 kW to 3 kW in a compact 70 mm by 53 mm by 22 mm size. Compared to devices built on traditional winding technology, the Vishay Sfernice PLA51 delivers the same power transfer / conversion while offering higher efficiency and a lower weight and profile.



The device released today is optimized for DC/DC power converters, on-board chargers for electric vehicles, UPS, power control cooling units, and solar inverters. In these applications, the PLA51's high typical efficiency of > 99 % typical reduces losses, while its low profile of 22 mm saves space in subassemblies. In addition, the transformer's reduced weight of 170 g is a key parameter for power supplies in avionics applications.



Providing excellent repeatability, the PLA51 features a frequency range of 50 kHz to 400 kHz and operates over a temperature range from -55 °C to +125 °C with heatsink dissipation. Offered in full-bridge, half-bridge, and forward power supply topologies, the transformer features tapped outputs for fast and easy connection. This RoHS-compliant device is also available in custom designs upon request.



Samples of the PLA51 are available now. Production quantities will be available in Q4 2016 with lead times of 12 weeks for large orders. Pricing for U.S. delivery only starts at $12 per piece in 10,000-piece quantities.



Vishay Intertechnology, Inc., a Fortune 1000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay's product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at www.vishay.com.



Link to Datasheets: http://www.vishay.com/ppg?59059 (PLA51)



Link to Images: https://www.flickr.com/photos/vishay/26194559011/sizes/l



Vishay Contact:

Andrew Post

Senior Manager,

Global Communications

Vishay Intertechnology, Inc.

Telephone: 1 610 251-5287

Fax: 1 610 889-9429

Email: andrew.post@vishay.com

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