Board Retainers and Extractors
Proven Solutions for PCB Board Retention and Extraction
For over 40 years, nVent SCHROFF’s Calmark and Birtcher product lines have been the industry leader in PCB board retention and extraction. Trusted by the world’s largest prime Military and Aerospace companies by providing rugged, tried and tested high performance solutions. Manufactured in an AS9110D compliant facility, to ensure MIL standard level quality.
Expert Guidance
Our experienced engineers offer personalized consultations to deliver the best solutions for your unique needs.
Seamless Integration
Our products are designed to be compatible with your existing systems, making installation and upgrades effortless.
Innovative Prototypes
With access to CAD templates and 3D printed prototypes, you can visualize and refine your components before production.
Quality Assurance
Manufactured in an AS9100D compliant facility, our commitment to quality ensures reliability and performance in critical applications.
Case Studies
Product Lines
Card-Loks and Wedge-Loks
Key Benefits
- Designs for second level maintenance including torque limiting, toolless, and positive retraction Card-Loks
- Innovative high thermal and clamp force designs for best in class performance
- Standard COTS or modified products to meet application requirements
Key Features
- Shafted, Non-shafted, Sawtooth designs
- Finishes in gold chem film, clear chem film, black anodized, hard black anodized or electroless nickel plating
Inserters, Extractors, Levers, and Ejectors
Key Benefits
- Designs to ensure safe card extraction for rugged applications
- Tolerance compensating designed offering to mitigate board tolerance concerns and satisfy 2nd Level Maintenance requirements
Key Features
- Aluminum and nylon offing
- Compliant to MIL standards, including VITA 48.4 and 48.2
PCB Tainers, Retainers, and Card Guides
Key Benefits
- Economical offering to retain PCB's in sheet metal applications
- For low shock and vibration applications
- Metal Tainers provide positive spring pressure to retain and/or ground the PCB
Key Features
- Designed for sheet metal or cold wall applications
- Nylon card guide products available for applications where resistance to akalines, weak acids or solvents is required
Conduction Cooled Assemblies and Modules
Key Benefits
- VITA Compliant Conduction Cooled Assemblies with high performance cooling for severe environments
- Manage all components under a single SKU
- Downloadable VITA compliant CAD templates available
- Pre-assembly and kitting available
Key Features
- Conduction frames available in 3U and 6U
- Available in black anodize, chem film, or electroless nickel plating for excellent corrosion resistance
- 6061-T651 aluminum for high thermal conductivity and lightweight support
Conduction Cooled Assembly Keying
Key Benefits
- For conduction cooled modules used in military and ruggedized systems that do not use front panel systems
- Secure to Conduction Cooled Assemblies, and prevent backplane damage due to insertion into wrong slot
Key Features
- ANSI VITA 1.6 Standard Compliant
- 6 configurations per coding bracket set
- 36 configurations in a 6U conduction cooled application
- Up to 1296 keying combinations in a 6U non-conduction cooled application
- Gold or Clear Chem Film aluminum bracket
News and Resources
Products in Action
