Electronic Component Solutions

SMT ZIF connector with folding lock in rear

ZIF connectors (Zero Insertion Force) are able to be used everywhere, where connecting without tools and high retaining forces are required in limited spaces. W+P offers zero force connectors with its 5566 and 5577 series. Their low pitch of 0.5 and 1.0mm and the low design height of 1.2 and 2.0mm are notable. These connectors also feature a locking option in the rear area. A special folding mechanism, which is similar to a piano cover, simplifies handling and saves space part on the PCB, in contrast to a front locking mechanism.  This ensures a stable and durable connection, which is still able to be released. As a complement to this, W+P offers a corresponding flexible cable in its 599 series.


  • Double-sided contacting as a horizontal version
  • 4 to 40 or 6 to 60 contacts
  • Designed for currents up to 0.5 A per contact
  • Contact material consists of a gold plated copper alloy with nickel barrier layer
  • Halogen-free
  • High-temperature resistant plastic deliverable as an insulating material according to UL94 V-0
  • The operating temperature ranges from -40 to +85°C (series 5566) and from -25 to +85°C (series 5577)
  • Both series are distributed in tape & reel packages suitable for automated assembly


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