BIRTCHER printed circuit board hardware solution from a diverse array of Schroff (formerly Calmark and Birtcher) products. Schroffâx80x99s PCB retainer portfolio ranges from economic nylon card guides, designed to help align PCB connectors to the backplane, to highly sophisticated Card and Wedge Loks, designed to provide board retention, stiffening and thermal management for high shock and vibration applications.

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