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3M High Density I/O Connectors and Assemblies


3M High Density I/O Connectors & 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 Receptacles

3M MDR Receptacles

The MDR boardmount receptacle plug connector is designed around a fine pitch ribbon-style contact for reliable electrical connection.

With pin counts from 14 to 100, thru-hole, surface mount and press fit mounting styles, and multiple connector orientations, the 3M™ MDR boardmount product line offers engineers great flexibility when designing I/O interfaces. MDR Boardmount connectors feature either latch stands to allow latching of a quick-release backshell, or threaded holes to allow thumbscrew attachment (with the proper hardware).

Most MDR connectors feature 360 degree shielding around the entire interface to help improve EMI and RFI protection in sensitive applications. 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 connectors.

  • Wiper-on-wiper contact for reliable repetitive plugging.
  • Rugged die cast metal case construction.
  • Screw lockdown for reliable PCB retention.
  • Interface latch design for connection stability.
  • IEEE 1284C Interface as a 36 contact connector.
  • Contacts: 14, 20, 26, 36, 40, 50, 68, 80 and 100.
  • See Regulatory Information Appendix (RIA) for chemical compliance information.

  • 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 Filled Polyester (PBT) or Glass Filled Polyester (PCT) - (High Temp. Option) - See ordering information
  • Flammability: UL 94V-0
  • Color: Black (PBT) or Beige (PCT)-High Temp. Option - See ordering information
  • Contact Material: Copper Alloy
  • Plating:
    • Underplating: 100 μ″ [ 2.5 μm ] Nickel
    • Wiping Area: 30 μ″ [ 0.76 μm ] Min. Gold
    • Solder Tail Plating: Gold flash over Nickel (RIA E1 & C1 apply)
  • Body Material: Zinc Alloy
  • Plating: Nickel
  • Temperature Rating: -20°C to +85°C

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