Calmark Birtcher
Calmark and Birtcher, now part of nVent SCHROFF, are industry leaders in electronic packaging solutions, specializing in rugged PCB retention hardware for demanding applications. With decades of experience, these brands offer high-quality card guides, Wedge-Lok™ retainers, conduction-cooled frames, and extractors designed for high shock, vibration, and thermal management requirements. Their products are widely used in military, aerospace, industrial, and commercial applications where durability and reliability are critical.
As part of nVent SCHROFF, Calmark and Birtcher continue to set the standard for board retention and electronic packaging solutions. Their portfolio includes 19” subracks, front panels, small-form-factor enclosures, and backplanes that provide robust protection for sensitive electronics. The extensive range of Card-Loks and extractors ensures secure PCB mounting while enhancing heat dissipation and overall system longevity.
IBS Electronics distributes Calmark and Birtcher solutions, offering engineers and buyers access to trusted PCB hardware designed for mission-critical applications. With AS9100D-certified manufacturing, these products meet the highest industry standards for quality and performance, making them ideal for aerospace, defense, and high-reliability electronic systems.
Products







