NRF51422-QFAA-R_REV3
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48553934-NRF51422-QFAA-R_REV3
Bluetooth SMART SOC 2Mbps 3V Medical 48-Pin QFN EP T/R
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
a count of all of the component leads (or pins)