Dura-Con Connectors by Cinch
Cinch Dura-Con connectors are engineered for demanding applications requiring robust, durable, and high-performance interconnect solutions. Designed to minimize weight and space while maximizing reliability, these connectors are ideal for miniaturized airborne electronics, data processing equipment, and other scenarios where shorter signal paths are crucial. The core of the Dura-Con system is the unique twist pin contact, featuring a precision miniature spring cable with seven spring members that ensure consistent contact under radial forces, offering exceptional resistance to metal fatigue. Cinch's Dura-Con family includes MIL-DTL-83513 compliant connectors and their commercial equivalents, offering a wide array of termination and hardware options for various applications.
- Brand: Cinch (Bel)
- Product Line: Dura-Con
- Key Technology: Twist pin contact
- Application Industries: Networking, telecommunications, computing, military, aerospace, transportation, broadcasting, automotive, medical, consumer electronics.
Dura-Con Metal Shell Micro-D Connectors
These connectors offer a rugged solution with an aluminum shell providing strength and EMI/RFI shielding. They feature a silicone elastomer interfacial seal for moisture protection and are designed for compliance with MIL-DTL-83513. The twist pin contacts ensure resistance to shock and vibration, making them suitable for harsh environments like airborne or space applications.
| Feature | Specification |
| Positions | 9, 15, 21, 25, 31, 37, 51, 69, 100 |
| Termination Styles | Solder cup, insulated wire, uninsulated wire |
| Shell Material | Aluminum (with plating options) |
| Interfacial Seal | Silicone elastomer compression |
| Compliance | MIL-DTL-83513 |
Dura-Con Plastic Shell Micro-D Connectors
An economical and lightweight option for applications not requiring shielding. These connectors are designed for compliance with MIL-C-83513 and feature a low-profile shell.
| Feature | Specification |
| Positions | 9, 15, 21, 25, 31, 37, 51 |
| Termination Styles | Solder cup, uninsulated solid wire, insulated stranded wire |
| Shell Material | Economical all plastic |
| Compliance | MIL-C-83513 |
Dura-Con Metal Shell Micro-D Connectors for PCBs
These PCB-mounted connectors offer a flow-through design for easy inspection and cleaning after soldering. Available in straight, 90 right-angle, and 90 right-angle narrow profile mounting styles, they provide EMI/RFI shielding and meet MIL-C-83513 requirements.
| Feature | Specification |
| Positions | 9, 15, 21, 25, 31, 51, 100 |
| Mounting Styles | Straight (180), 90 right-angle, 90 right-angle narrow profile |
| Shell Material | Metal (provides EMI/RFI shielding) |
| Interfacial Seal | Silicone elastomer |
| Compliance | MIL-C-83513 |
Dura-Con Hermetically Sealed Micro-D Connectors
Engineered for extreme environments, these connectors achieve a hermetic seal using a proprietary epoxy-metallic compound. They offer EMI/RFI shielding and are resistant to shock and vibration, meeting MIL-DTL-83513 performance standards.
| Feature | Specification |
| Positions | 9, 15, 21, 25, 31, 37, 51, 100 |
| Mounting | Straight and right angle |
| Shell Material | Aluminum alloy |
| Seal Type | Hermetic |
| Compliance | MIL-DTL-83513 |
Dura-Con High Temperature Metal Shell Micro-D Connectors
Designed for continuous operation at elevated temperatures (plugs up to 175C, sockets up to 200C), these connectors feature a high-temperature LCP insulator with a raised rib design to prevent shorts under shock and vibration. Available with solder cups and wire leads, or for PCB mounting.
| Feature | Specification |
| Operating Temperature | Plugs: 175C continuous; Sockets: 200C continuous |
| Positions | 9, 15, 21, 25, 31, 37 |
| Insulator Material | High temperature LCP |
| Compliance | MIL-C-83513 |
Dura-Con Shielded Cable Assemblies
These assemblies meet MIL-DTL-83513 requirements and incorporate an EMI gasket, braided sleeves, and an integrated backshell for robust shielding and connectivity. Available in various configurations, including point-to-point jumper assemblies.
| Feature | Specification |
| Compliance | MIL-DTL-83513 |
| Shielding | EMI gasket and braided sleeves |
| Backshell | Integrated |
| Configurations | Point to point jumper, double-ended |
Dura-Con Connector Savers
Designed to protect mounted Dura-Con connectors from wear during routine system testing by absorbing mating and unmating cycles. Available in all-plastic or metal shell versions.
| Feature | Specification |
| Purpose | Reduces wear on mounted connectors during testing |
| Configuration | Plug on one end, socket on the other |
| Shell Options | All-plastic (polyester), Metal shell |
Dura-Con Micro-D Dust Covers
Protective covers for contacts before mating. Available in standard and anti-static versions for all Micro-D sizes.
| Feature | Specification |
| Function | Protects contacts before mating |
| Material | Low Density Polyethylene |
| Availability | All Micro-D sizes (9 to 100 positions) |
| Color Coding | Plugs: Blue, Sockets: Red |
Dura-Con Micro-D Sealing Gaskets
Installed on socket connectors to prevent moisture and dust ingress when mated. Made from compressible silicone rubber and available for all Micro-D socket sizes.
| Feature | Specification |
| Function | Prevents moisture and dust ingress when mated |
| Material | Compressible silicone rubber |
| Installation | On socket connectors only |
| Availability | All Micro-D socket sizes (9 to 100 positions) |
Dura-Con Micro-D EMI Backshells
Provide EMI/RFI shielding with multiple entry sizes, available for all Cinch Dura-Con Micro-D shell sizes. Constructed from aluminum alloy with electroless nickel plating and include necessary hardware for installation.
| Feature | Specification |
| Function | EMI/RFI Shielding |
| Material | Aluminum alloy |
| Plating | Electroless nickel |
| Availability | All Micro-D shell sizes (9 to 100 pins) |
Dura-Con Micro-D Strain Relief Backshells
Offer strain relief with multiple entry sizes, available for all Cinch Dura-Con Micro-D shell sizes. Constructed from aluminum alloy with electroless nickel or cadmium plating.
| Feature | Specification |
| Function | Strain relief |
| Material | Aluminum alloy |
| Plating | Electroless nickel, Cadmium plating |
| Availability | All Micro-D shell sizes (9 to 100 pins) |
Dura-Con MIL-DTL-83513 Connectors
These connectors meet MIL-DTL-83513 specifications and are available in metal or plastic shell versions. Options include solder cup, gold-plated solid wire, and insulated stranded wire terminations, as well as PCB mountable straight and right-angle configurations. Available in sizes from 9 to 100 positions.
| Feature | Specification |
| Compliance | MIL-DTL-83513 (QPL) |
| Shell Types | Metal, Plastic |
| Termination Options | Solder cup, wire leads (insulated/uninsulated), PCB tails (straight/right-angle) |
| Positions | 9, 15, 21, 25, 31, 37, 51, 100 (metal shell only) |
Dura-Con Strip Connectors
Extremely lightweight and high-density interconnects utilizing the Dura-Con twist pin contact system for extreme shock and vibration resistance. Available in thermoplastic glass-reinforced strips with contact centers at 0.050 inches. Optional polarization with guide pins is available.
| Feature | Specification |
| Profile | Slim, high-density |
| Contact Centers | 0.050 inches |
| Contact System | Dura-Con twist pin |
| Positions | 1 to 60 |
| Material | Thermoplastic glass-reinforced |
Material Specifications
| Component | Material |
| Metal Shell (M) | Aluminum 6061, SAE AMS-QQ-A-250/11 (with Cadmium or Electroless Nickel plating) |
| Plastic Shell (A) | Polyester, 30% glass filled, black |
| Insulator (C, D) | Diallyl phthalate glass reinforced (green) or Polyester, 30% glass filled (black) |
| Contacts (P, S) | Beryllium copper (pins), Copper alloy (sockets), gold plated |
| Wire Leads (E, J, K) | Silver coated copper or high strength copper alloy with PTFE or ETFE insulation |
| PCB Tails | Solid copper wire, gold plated or SnPb dipped |
Performance Specifications
| Category | Specification |
| Environmental | Salt Spray (48 hrs), Fluid Immersion, Thermal Vacuum, Thermal Cycling (-55C to 125C), Humidity, Vibration (20g), Shock (50g) |
| Electrical | Current Rating: 3 Amps (max.)
Dielectric Withstanding Voltage: 600 VAC RMS (Sea Level), 150 VAC RMS (70,000ft)
Contact Resistance: 8 milliohms max change
Insulation Resistance: 5,000 megohms min. |
| Mechanical | Contact Engaging Force: 6 oz max.
Contact Separation Force: 0.5 oz min.
Durability: 500 mating cycles |
Material Compliance
| Requirement | Compliance Details |
| RoHS | Compliant for plastic and nickel-plated shells with solder cups/wire leads (Exemption 6(c)). Compliant for nickel-plated shells with solder dipped PCB tails (Exemption 7(b)). Cadmium plated shells are not RoHS compliant. |
