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World’s first 1500V super-junction MOSFET in TO-220FP wide package

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By Nick Flaherty

The TO-220FP wide creepage package is ideal for the power transistors of open-frame power supplies commonly used in equipment such as television sets and PCs, which are vulnerable to surface contamination by dust and particles that can cause high-voltage arcing between transistor terminals. The new package’s extended lead spacing of 4.25mm eliminates the special potting, lead forming, sleeving, or sealing needed to prevent the arcing when using conventional packages with 2.54mm lead spacing, simplifying the manufacturing process.

ST developed the TO-220FP wide creepage package by collaborating with its customer SoluM, a leading power manufacturer based in Korea. SoluM is using the superior package to create new power solutions that are more robust and cost-effective, and ST is currently ramping up production of TO-220FP power transistors to support a major global television manufacturer.

The product range includes four fully qualified 600V low-RDS(ON) MDmesh M2 MOSFETs with current ratings from 8A to 34A. The 1500V STFH12N150K5 and 1200V STFH12N120K5, MDmesh K5 devices, will be qualified by the end of Q3 2016.

For further information please visit www.st.com/mosfet.

 


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