These Swiss Preci-dip PLCC 540 Series sockets with SMT terminations to the PCB come with square sizes for IC packages according to JEDEC MO-047 and rectangular size (32 way) according to JEDEC MO-52, low profile.
Tape & Reel packs have Manufacturers Part Numbers ending in TR Contact pressure minimum 1.5 N per contact Mechanical life is a minimum of 50 cycles Capacitance maximum 2 pF Coplanarity SMD terminations maximum 0.1 mm