Rigid, high-current mezzanine style interconnects

17 October 2007 Interconnection

The Z-Power connector from Molex is a high-current, rigid, board-to-board and wire- to-board mezzanine style interconnect designed to transfer power loads from one PCB to another. Z-Power connectors utilise a unique, dual interface which results in long-term reliability. The Z-Power connector allows 50,0 A to be carried between parallel boards in 1,5 cm², with less than 0,020 mΩ initial plane-to-plane resistance.

The Z-Power connector is press-fit into the PC base board. The PC top board is then screwed down on top of the Z-Power connector, forming a high-pressure interface. A unique, dual Hertzian contact design allows the screw to be installed without affecting the compliant-pin interface in the opposing PCB.

The rigid nature of this interconnect allows high-density PCB applications to benefit from real-estate savings, by employing Z-Power in a dual role. Z-Power performs as both a high-reliability power connector and a durable stand-off, relieving the need for separate mechanical stand-offs in some applications.

Z-Power can also be used as an efficient, wire-to-board connector. This application is achieved through using standard wire-crimp, ring-lug terminals as the mating interface to the Z-Power screw-down terminal interface.

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