# Are QFP and LQFP compatible?

**URL:** <https://forum.arduino.cc/t/are-qfp-and-lqfp-compatible/278402>\
**Category:** General Electronics\
**Created:** [December 27, 2014, 1:10am UTC](https://forum.arduino.cc/t/are-qfp-and-lqfp-compatible/278402 "2014-12-27T01:10:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bratan](https://avatars.discourse-cdn.com/v4/letter/b/958977/32.png) [@bratan](https://forum.arduino.cc/u/bratan)\
**Post date:** [December 27, 2014, 1:10am UTC](https://forum.arduino.cc/t/are-qfp-and-lqfp-compatible/278402/1 "2014-12-27T01:10:07Z")

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Is it possible to solder LQFP package to board designed for QFP? I made PCBs for HT1632c chips, but they retiring QFP package and switching to LQFP. I'm not sure what the difference is between two, other than L stands for Low.

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**Author:** ![Grumpy\_Mike](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/grumpy_mike/32/213521_2.png) [@Grumpy\_Mike](https://forum.arduino.cc/u/Grumpy_Mike)\
**Post date:** [December 27, 2014, 1:18pm UTC](https://forum.arduino.cc/t/are-qfp-and-lqfp-compatible/278402/2 "2014-12-27T13:18:33Z")

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[Thin-Quad-Flat-Pack](http://www.practicalcomponents.com/Dummy-Components/product.cfm?Thin-Quad-Flat-Pack-%28TQFP%29-Dummy-Component-9A06B8579E20A566)

[Low-Profile-Quad-Flat-Pack](http://www.practicalcomponents.com/Dummy-Components/product.cfm?Low-Profile-Quad-Flat-Pack-%28LQFP%29-Dummy-Component-C716B832B0D1821D)

But check the actual dimensions in the data sheet.

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**Author:** ![system](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/system/32/1140315_2.png) [@system](https://forum.arduino.cc/u/system)\
**Post date:** [May 6, 2021, 1:39am UTC](https://forum.arduino.cc/t/are-qfp-and-lqfp-compatible/278402/3 "2021-05-06T01:39:57Z")

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Closed on May 6, 2021, 1:39am UTC