306-020-521-102 Standard Card Edge Connectors 306 Series (.156" (3.96mm) contact spacing) Card Edge Connector with 20 P.C Tail type contacts. The tails are .037" x .015" (0.94mm x 0.38mm) and .125" (3.18mm) long in a Single Central Row formation. The Insulator is Green in color with .128" ( 3.25
