Calmark
Manufacturer & Supplier · San Gabriel, CA
About Calmark
Calmark (now marketed as nVent SCHROFF Calmark, a sub-brand of nVent SCHROFF) is the originator of the Card-Lok PCB retainer concept and a leading manufacturer of PCB board retention hardware for military, aerospace, industrial, and embedded computing applications. Founded in San Gabriel, CA; operations now consolidated with nVent SCHROFF in San Diego, CA. Products include Card-Lok screw/lever-actuated wedge clamps for conduction-cooled cold wall chassis (Series 225, 240, 260, 263, 265, 266, 267, 280, 281 and HC/HTS variants), spring-type board retainers (Series 125, NW125), lever-actuated Wedge-Lok retainers, Lok-Tainer cam-and-lobe retainers, PCB inserter/extractor tools (Series 107, 311 VITA-compliant), and snap-in nylon card guides (Series 115, 120). Core materials: aluminum 6061-T6 (black anodized, hard black anodized, gold chem film), stainless steel (passivated). Applications: VME, VPX, OpenVPX, cPCI, and custom conduction-cooled military/defense/avionics embedded computing chassis. Products sold through Digi-Key, Mouser, Newark, bisco industries, RS Components.
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