FPC ZIF Connectors Top Contact - Wurth This range of Wurth PFC/FFC 1.0 mm pitch horizontal Connectors are SMT, Top Contact types which require Zero Insertion Force (ZIF). These Wurth PFC/FFC 1.0 mm pitch horizontal connectors are capable of 25 mating cycles and have a Flammability Rating of UL94-V0. With a low profile horizontal aspect these Wurth PFC/FFC 1.0 mm pitch connectors can be utilized in compact applications.