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Molex Product News

CMC and CMX Connector Systems

Molex introduces the CMC and CMX connector families. The IP6K9K sealed, modular, high-density and hybrid connection systems are developed specifically for the transportation industry. The CMC and CMX connectors are designed to perform in high-conductivity applications and harsh environments.

CMC Connector System

Molex's CMC connector family is a sealed, high-density connection system designed to perform in high-conductivity applications and in harsh environments. The connectors are a cost-effective, modular, hybrid system that fits with various headers. Molex CMC Connector System

The CMC hybrid connectors and mating headers provide sealed, high-density, modular and cost-effective wire-to-board and wire-to-wire connection systems for heavy-duty powertrain and body-electronics applications in automotive and commercial vehicles.

Standard version CMC hybrid connectors hold two different terminal sizes, 0.635mm (.025") and 1.50mm (.059"). The power version of CMC hybrid connectors hold three different terminal sizes, 0.635mm (.025"), 1.50mm (.059") and 2.80mm (.110"). Both connector versions run at operating temperatures between -40° and +125°C. Standard CMC headers for wire-to-board connections are available in a variety of off-the-shelf 1-,2-, or 3- pocket configurations. The CMC connection system is validated to the following standards: ISO 8092-2, PSA B217050, USCAR 2, AK LV 124 and JD 53.3.

Features & Benefits:

  • High performance sealed connection system using matte sealed technology for CP 0.63mm and 1.50mm terminals and using single wire seal technology for CP 2.80mm terminal can help the ┬ásystem perform in sealed applications where IP6K7 and IP6K9K rating and 500m bar water tightness are required.
  • High density system due to compact connector design and fine pitch size of 2.54mm reduces space on customer printed circuit boards (PCBs) or engine compartments.
  • System features three different terminal sizes CP 0.635mm, 1.550mm and 2.80mm which support low, medium and high current applications from 2.5A up to 21.0A to perform in harsh environments and high conductivity applications.
  • Modular connector system with a choice of different circuit sizes including: 22, 24, 28, 32, 36, 48 and 53 allows this system to be cost-effective because it uses the same connector type for different harness size needs.
  • System offers several color coding and mechanical polarization options due to easy visual installations and helps avoid mismating of the headers and connectors, which reduces cycle time during harness assembly.
  • 32-circuit wire-to-wire system featuring male plug designed for either bracket or clip mounting allows for adoption of complete CMC connection system throughout entire vehicle plus design allows flexibility based on a customer's space and application requirements.
  • Bling plugs available to close unused connector cavities secure sealing system meeting IP6K7 and IP6K9K and 500mbar air pressure provides design flexibility and increases efficiency to reduce costs.


  • Automotive:
    • Body Electronics
    • Gear Box
    • Power Train
    • Suspension Controller
  • Commercial Vehicle:
    • Agricultural Equipment
    • Buses
    • Marine Equipment
    • Motorcycles
    • Trucks

CMX Connector System

Molex's CMX connector family is designed to meet the low- and medium-current requirements of space-constrained electronic control units and other wire-to-board transportation applications. Then new matte seal is designed for the ultimate high performance sealing function of the CTX terminals and can be used with ISO and JASO wires. The Molex CMX Connector SystemCMX system features a clean-body type design that performs well in harsh environments. The rear seal cover helps to reduce cycle time and applied costs for harness manufactures.

Features & Benefits:

  • 5-row connector design with fine pitch of 2.50mm and 3.70mm reduces space on customer printed circuit boards (PCBs) or engine compartments.
  • Hybrid connection system uses 2 different, high-conductivity, copper-alloy terminal sizes: CTX 064 (0.64mm) and CTX 150 (1.50mm) supports low and medium current applications from 2.5A up to 6.0A. Copper alloy allows excellent stress relaxation and current-carrying properties.
  • CTX 064 and CTX 150 terminals are one-piece, clean-body type, which are lower in cost than two-piece CP terminals.
  • Connectors feature matte-seal (also known as grommet seal) technology for CTX 064 and CTX 150 terminals which is the ultimate sealing protection for terminals.
  • Actuating the connector lever engages the interfacial-seal protector. The sophisticated design of the interfacial-seal protector surrounds the CMS connector while also protecting the interfacial seal ensures that connector remains fully sealed before mating and during mating and unmating operations.
  • Real seal-cover can be molded with breakable dummy-plugs for the CTX terminals cavities. Alternatively, bling plugs are available for each cavity size and allows greater flexibility for customers requiring voided cavities. Breakable dummy-plugs remove a process and therefore reduce assembly cycle-time and applied costs for harness makers.
  • CMX system offers several color coding and mechanical polarization which reduces cycle-time during harness assembly due to easy visual installation. It also avoids mismating of the headers and connectors.


  • Powertrain:
    • Electronic Control Unit (ECU)
    • Gear Box
    • Suspension Controller
    • Electronic Parking Brake
  • Body Electronics:
    • Junction/Fuse Box
    • Lighting Control System
    • Electric Doors
  • Automotive and Commercial Vehicles:
    • Cars
    • Motorcycles
    • 3-wheelers
    • 4-wheelers
    • Golf Carts
    • Light Goods Vehicles
    • Boats
    • Jet Skis

See also:
CMC Connector Systems (.pdf)

CMC Hybrid Connectors(.pdf)

CMC 28-Circuit Header (.pdf)

Standard CMC Headers(.pdf)

CMX Connector System(.pdf)

CMX 120-Circuit Header(.pdf)

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