bisco industries Blog

Pentair Introduces New High Thermal Performance Retainer Series and Newly Expanded High Clamp Force Family of Card Loks

Pentair has released a new Schroff retainer design-the Calmark High Thermal “HT” Card Lok and the newly expanded family of Calmark Series 263HC, 265HC, and 276HC High Clamp Force Card Lok Retainers.

The 280HT Card Lok provides best-in-class thermal performance by up to 15 percent over similarly sized Card Loks.  The 280HT can do this by shortening the thermal path distance from the PCB to the cold wall through a unique design.

Unlike the traditional Card Lok, the 280HT Card Lok features solid brackets along the length of the Card Lok that provide a continuous and uniform surface along the printed circuit board, or heat frame, and the cold wall.  The internal geometry maximizes surface contact area while minimizing heat path distance from the board to the cold wall.  You can view data sheet, performance data, and CAD files here.

The newly designed 263HC, 265HC, and 276HC High Clamp Force Card Lok Retainers provide an average of three times the clamping force of similarly sized Card Loks, meeting the growing demands of shock and vibration environments.  Its small and lightweight design provides industry-leading board retention that is ideal for defense, space and aerospace applications.  

bisco industries – Authorized Pentair Distributor

bisco is your local authorized distributor for Calmark card loks.  We also offer card guides and enclosure housings for your electronic system. Visit us online to spec in your part!

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