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STMicroelectronics rolls out a series of New Super-Junction MOSFETs with World’s First 1500V Device in TO-220FP Wide Creepage Package

TO-220 FullPAK

STMicroelectronics rolls out a portfolio of TO-220 FullPAK (TO-220FP) wide creepage power transistors which also comprises the claimed world’s first 1500V super-junction MOSFET.

The TO-220FP wide creepage package is said to be 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.

Key Nuggets

  • 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.
  • Power-supply manufacturers can now meet applicable safety standards and minimize field failures without applying these additional processes, thereby simplifying manufacturing and enhancing productivity.
  • While providing superior arcing resistance, TO-220FP wide creepage retains the outstanding electrical properties of the popular TO-220FP.
  • Moreover, similar outer dimensions help streamline design-in and ensure compatibility with established assembly processes.

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 than competing products.

The company is also ramping up production of TO-220FP wide creepage power transistors to support a major global television manufacturer. The product portfolio 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.


BiS Team

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