Thermal resistancehttps://devzone.nordicsemi.com/f/nordic-q-a/61928/thermal-resistanceHi, Could you provide us with the thermal resistance of the nRF5340? We need it for the ATEX compliance thermal analysis. Regards Giulianoen-USTelligent Community 13Tue, 02 Jun 2020 13:19:30 GMTRE: Thermal resistancehttps://devzone.nordicsemi.com/thread/252763?ContentTypeID=1Tue, 02 Jun 2020 13:19:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8e703f86-8e02-448f-8eae-c3e562e28de9GiulianoFranchetto<p>Hi,</p> <p></p> <p>yes, thank you <span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/1f642.svg" title="Slight smile">&#x1f642;</span></p><div style="clear:both;"></div>RE: Thermal resistancehttps://devzone.nordicsemi.com/thread/252741?ContentTypeID=1Tue, 02 Jun 2020 12:42:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2e07a463-d48e-48e3-af34-860d783b5704ketiljo<p><span>Hi Giuliano&nbsp;</span></p> <p><span></span></p> <p><span>Will this be sufficient?</span></p> <p><span></span></p> <p><span>cheers,</span></p> <p><span>Ketil<a href="https://devzone.nordicsemi.com/cfs-file/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-5482966648bc44c28c19186bfeab494a/nRF5340-thermal-resistance.pdf">devzone.nordicsemi.com/.../nRF5340-thermal-resistance.pdf</a></span></p><div style="clear:both;"></div>RE: Thermal resistancehttps://devzone.nordicsemi.com/thread/252378?ContentTypeID=1Fri, 29 May 2020 11:22:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:82bdcfcf-ddcb-49a2-8463-309f8d9a6b06GiulianoFranchetto<p>Hi Ketil,</p> <p></p> <p>Thank you for your answer. I&#39;ll take this value for the analysis.</p> <p></p> <p>The ATEX lab will require a formal document however.</p> <p>Do you have any application note, datasheet, or any &quot;official&quot; PDF with Nordic logo with this value?</p> <p>Regards</p><div style="clear:both;"></div>RE: Thermal resistancehttps://devzone.nordicsemi.com/thread/252377?ContentTypeID=1Fri, 29 May 2020 11:20:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1c02072c-e601-49e7-98ce-bd5c5e2d823aketiljo<p><span>Hi Giuliano&nbsp;</span></p> <p><span>Thermal</span> <span>resistance</span>, Junction to Ambient for a QFN packet like this is typically 50 °C/W.&nbsp;</p> <p>best regards,</p> <p>Ketil Aas-Johansen</p><div style="clear:both;"></div>