QFN bad soldering is often happening in SMT assemble, consider from many aspects, such as pad design, PCB storage, chip control and management, solder paste management and use, furnace temperature ...

[youtube=http://www.youtube.com/v/c_Qt5CtUlqY&hl=en_US&fs=1&] Take a few minutes to watch this amazingly informative video on how to solder QFN or MLF components ...

Using a new high-performance elastomer, the SM-QFN-9019 QFN socket is designed for 13 x 19-mm mixed-pitch QFN packages and operates at bandwidths to 40 GHz with less than 1dB of insertion loss. The ...