https://devzone.nordicsemi.com/f/nordic-q-a/1979/difference-in-nrf51822-chip-revisionsHi guys, i tried to find information about the differences in chip revision nRF51822-QFAA-R7, NRF51822-QFAA-T and nRF51822-QFAA-G0 but i can&#39;t find the R7 or T type anywhere. Can somebody help me find the right information or point out the differencesen-USTelligent Community 13Tue, 25 Mar 2014 11:14:28 GMThttps://devzone.nordicsemi.com/thread/8489?ContentTypeID=1Tue, 25 Mar 2014 11:14:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fe36c79d-fb3f-4c83-8b65-ede6d12d3950Stefan Birnir Sverrisson<p>Hi Karl</p> <p>The G0 refers to the version of the chip itself while the R7 and T refer to the packaging of those chips. <a href="https://devzone.nordicsemi.com/index.php/guide-to-nrf51822-revisions-lpcomp,-12k-pulldown">This thread</a> says a lot about how to realize different nRF51 chip versions.</p> <p>digikey.com provides the nRF51822 in different packages, <a href="http://www.digikey.com/product-detail/en/NRF51822-QFAA-R/NRF51822-QFAA-R-ND/4691710?enterprise=12">see here</a>. There you have Tray packaging, Tape &amp; reel, etc. If you click on the question marks in the packaging column, it explains a bit about the difference between those packaging.</p><div style="clear:both;"></div>