https://devzone.nordicsemi.com/f/nordic-q-a/10922/st-balun-and-nrf51822-build-codes-used-by-mouserHi We are making a product based on nRF51822 and have used the ST BAL-NRF01D3 balun, but due to lack of updated datasheets for the balun we are unable to determine if it can be used or not. Mouser sells nRF51822-QFAA-R7, but the ST datasheet claimsen-USTelligent Community 13Fri, 18 Dec 2015 14:14:14 GMThttps://devzone.nordicsemi.com/thread/40835?ContentTypeID=1Fri, 18 Dec 2015 14:14:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e00f5e93-88e6-4b6a-84d9-33c84e2b4d0aGlenn Ivar Klausen<p>Thanks, then I can rest this case which have been a source of both confusion and frustration due to lack of updated datasheets.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/40834?ContentTypeID=1Fri, 18 Dec 2015 13:11:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:524e0e12-dfac-4767-9631-2f3d723374c7Anders Strand<p>Hey.</p> <p>You can see a list of recommended baluns on our <a href="http://www.nordicsemi.com/eng/Products/Bluetooth-R-low-energy/nRF51822/(language)/eng-GB">website.</a>.</p> <p>In your case you should choose either the ST <a href="http://www.st.com/web/catalog/sense_power/FM139/CL1806/SC1508/PF261169">BALF-NRF01E3</a> or the Johanson <a href="http://www.johansontechnology.com/nordic">2450BM14E0003</a></p> <p>The ST BAL-NRF01D3 will work as well, not not optimally.</p><div style="clear:both;"></div>