nRF5340 - WLCSP UBM pad diameter

nRF5340 - WLCSP UBM pad diameterhttps://devzone.nordicsemi.com/f/nordic-q-a/81121/nrf5340---wlcsp-ubm-pad-diameterHi Support Team, What's the UBM pad diameter of nRF5340-CLAA? BTW, any correlation between it and label 'b' in Mechanical specifications in PS? Best regards Salasen-USTelligent Community 13Wed, 27 Oct 2021 11:38:49 GMTRE: nRF5340 - WLCSP UBM pad diameterhttps://devzone.nordicsemi.com/thread/336178?ContentTypeID=1Wed, 27 Oct 2021 11:38:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f05b1059-b595-4cf9-b475-1ec56afe8ac5Jared<p>Hi,</p> <p>The UBM size is 140 µm. The label "b" in the PS is the solder ball diameter, which seats on the UBM. The UBM is not visible in the PS drawing.</p> <p>regards</p> <p>Jared </p><div style="clear:both;"></div>