2.54 mm IC Sockets Ø 0.47 mm pinThese Swiss Preci-dip solder tail through hole Socket Connectors are for mating pin diameters of 0.47 mm.Sockets have Tin plated Brass sleeves with Flash Gold plated Beryllium Copper (4 finger) contact clipsThrough Hole connectors are Standoff type with a Pin length of 3.2 mmThe SMD mounting connectors are Gull-Wing typeStandardsUL 94V-0