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Technical Article

What is the QFN package in a microcontroller in electronics?

Time:2019-04-11 16:34:05 Click:

QFN refers to Quad Flat No-lead Package, which is a new SMT package technology with sealing material of plastic whose pads is a type of small size and volume;


A couple of characteristics:


  • No-lead Package
  • Square or Rectangle
  • A huge bare pads under the centre of bottom whose function is heat conduction
  • Conductive pads over the huge bare pads which is to realize electrical connection



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