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Posts Tagged ‘QFN’

App note: Board level application notes for DFN and QFN packages

Sunday, June 16th, 2019

Board mounting an DFN/QFN (Dual/Quad Flat-Pack No lead) application note from ON Semiconductor. Link here (PDF) The DFN/QFN platform offers a versatility which allows either a single or multiple semiconductor devices to be connected together within a leadless package. These guidelines include printed circuit board mounting pads, solder mask and...

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App note: PCB Design Guidelines for QFN and DQFN Packages

Sunday, May 4th, 2014

Efficiently design your PCB involving QFN or DQFN packages with this App note from Microchip. Successful implementation of QFN and DQFN packages requires special consideration for printed circuit board (PCB) layout and solderpaste stencil production. This application note describes the important items to consider. QFN packages are physically robust, thermally...

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Workshop video #01: Sjaak solders a QFN chip, attempts the BGA challenge

Tuesday, January 3rd, 2012

[embed]http://www.youtube.com/watch?v=-tWLlkBD9DA[/embed] We took our cameras on the road and visited Sjaak's workshop this week. He showed us how he solders QFN chips with a bit of hot air and normal drag-soldering. We also surprised him with a challenge to solder a tiny BGA chip, see how it turns out. Here’s...

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Workshop video: Sjaak solders a QFN and BGA chip

Tuesday, January 3rd, 2012

Sorry, comments are not working on this post for unknown reasons. Please check out our workshop video here.

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Posted in Chips, Videos | No Comments »

Recent Comments

  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!
  • Max: Seems like an unexpectedly violent way to remove the chip indeed. A hot air station should of course do the job just fine, but in...
  • jose: Part removal described here is pure butchery, the cheapest hot air station will do a fast and clean job removing the QFP, heat air to...
  • Cody: Yes please