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3M MDR Plug Connectors custom 3M MDR cable assembly
3M High Density I/O Connectors and Assemblies

3M High Density I/O Connectors & Assemblies

Rugged, Shielded Solutions for I/O Applications

3M offers a broad range of advanced, rugged I/O connectivity solutions to help you address today's high-speed signaling challenges, which demand excellent signal integrity, compact size and proven reliability. 

3M builds proven, reliable I/O platforms used for system to system or “box to box” communications. Designed to meet the trend for smaller electronic devices requiring space-saving, shielded I/O ports, are 3M™ Mini Delta Ribbon (MDR), 3M™ Shrunk Delta Ribbon (SDR) and 3M™ Shielded Compact Ribbon (SCR) connectors, as well as ready-to-use cable assemblies and assembly tooling. 

The flexibility and versatility of 3M’s systems is reflected in the number of organizations which have adopted 3M’s I/O solutions as products of choice. For example, 3M’s high-speed systems have been used for low voltage differential signaling or ‘LVDS’ applications and the technology can also be found in industrial environments, such as Camera Link™ machine vision systems.

MDR Plugs

3M MDR Plug Connectors

3M MDR Plug Connectors are designed around a fine pitch ribbon-style contact for reliable electrical connections. The MDR Plug Connectors provide wiper-on-wiper contact for reliable repetitive plugging and accept a wide variety of cable constructions including flat, round, twisted pair and twinax cables. The integral dimples of the MDR metal shell ensure proper grounding of the shroud before mating, reducing the possibility of a destructive ESD event between the boardmount and wiremount connectorsMost MDR connectors feature 360 degree shielding around the entire interface to help improve EMI and RFI protection in sensitive applications.

3M MDR Plug Connectors are available in both insulation displacement (IDC) and solder termination versions. In addition, 3M offers a range of EMI Junction shells in a variety of materials and cable exit angles, different attachment methods; as well as assembly tooling to support the wiremount products, which are available in 14 to 100 pin counts.

  • Wiper-on-wiper contact for reliable repetitive plugging
  • MDR digital LCD interface as a 20 or 26 contact connector
  • IEEE 1284C Interface as a 36 contact connector
  • Accepts a wide variety of cable constructions including flat, round, twisted pair and twinax cables
  • Accepts a wide variety of shielded junction shells
  • Contacts: 14, 20, 26, 36, 40, 50, 68, 80 and 100
  • RoHS Compliant. See the Regulatory Information Appendix (RIA) in the “RoHS compliance” section of for compliance information (RIA E1 & C1 apply)

  • Computer video and peripheral e.g. IEEE 1284, LCD monitor assembly for Panel Link™/TMDS interface
  • Enterprise and networking e.g. Low Voltage Differential Signaling (LVDS) Channel Link
  • Factory Automation e.g. computer numeric controllers, programmable logic devices
  • Machine vision e.g. Camera Link®
  • Data acquisition
  • Test and instrumentation
  • Traffic controllers
  • Medical e.g. oximeters, bedside patient monitoring units
  • Insulation Material: Glass Reinforced Polyester
  • Flammability: UL 94V-0
  • Body Color: Black
  • Cover Color: Black, Gray
  • Contact:
    • Material: Beryllium Copper
    • Underplating: 80 μ" [2.0 μm] Nickel
    • Wiping Area Plating: 30 μ" [0.76 μm] Min. Gold
    • IDC Contacts Plating: Gold flash
  • Current Rating: 1 A
  • Temperature Rating: -20°C to +85°C

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