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Molex CP-6.5 wire-to-wire connector system.

Wire-to-Wire Connectors

Molex enhances customer confidence with a versatile selection of wire-to-wire connectors in multiple sizes and styles, to help support flexible routing and worry-free reliability. Our expansive portfolio includes high-density designs for tight spaces, sealed IP68-rated options, Glow-Wire capable, color-coded ergonomic housings and more. Every solution is precision-engineered to give today’s technology innovators enhanced peace of mind and adaptable performance across an evolving array of industry applications.

Basic Wire-to-Wire Connectors


These wire-to-wire connectors deliver the minimum required functions of an electrical connector. Features may include friction locks, tin-plated terminals and unshrouded housings.

PicoBlade Connectors

Compact PicoBlade Connectors offer reliable and durable wire-to-wire and wire-to-board solutions. Two-point contacts with friction locks and available gold plating enhance performance in harsh environments subject to vibration.

Molex PicoBlade Connector header and receptacle.
Pitch Current Wire Gauge Voltage
1.25mm Up to 1.0A 32 to 26 AWG Up to 250V

Pin and Socket Connectors

Versatile wire-to-board and wire-to-wire Pin and Socket Connectors provide an economical solution with speedy, accurate assembly and reliable attachment. Find your solution in either standard .062” or 0.93” sizes with dependable Molex quality.

Molex Standard Pin and Socket Connector headers.
Pitch Current Wire Gauge Voltage
3.68, 5.03, 6.30, 6.70mm Up to 17.0A 30 to 14 AWG Up to 250V

Enhanced Wire-to-Wire Connectors


Enhanced connectors offer basic connector functions plus additional value. These features may include positive locking, gold plating and terminal position assurance (TPA) options.

Micro-Lock Plus Connectors

Ideal for compact applications, the durable and versatile Micro-Lock Plus Connector system provides both electrical and mechanical reliability for high-temperature power and signal applications up to +105°C.

Molex Micro-Lock Plus Connectors and headers.
Pitch Current Wire Gauge Voltage Termination Style
1.25, 1.50, 2.00mm Up to 4.7A 30 to 22 AWG Up to 250V SMT

CP Connectors

With color-coded housings and polarization keys to prevent mis-mating and simplify repair, Glow-Wire capable CP Connectors enhance operator safety and accelerate assembly. Retainers, along with positive locking and high-temperature headers, improve reliability in rugged applications.

Molex wire-to-wire CP Connector housings and receptacles.
Pitch Current Wire Gauge Voltage
2.50, 3.30, 4.50, 6.50mm Up to 12.5A 28 to 16 AWG Up to 600V

SL Connectors

SL Connectors deliver versatile performance with varying printed circuit board (PCB) termination methods to support an extensive array of industry applications.
Molex SL Connector receptacle and housing.
Pitch Current Wire Gauge Voltage
2.54mm Up to 3.0A 36 to 22 AWG Up to 600V

Pro Wire-to-Wire Connectors


Pro connectors are ideal for high-performance applications. Upgraded connector features are available including low-profile, high-density and integrated independent secondary lock (ISL) options.

Nano-Fit Connectors

Nano-Fit Power Connectors deliver 8.0A in a compact 2.5mm pitch. Features include BMI, TPA and color-coded keying to ensure reliable wire-to-board connections.
Molex Nano-Fit Connector housings, receptacles and terminals.
Pitch Current Wire Gauge Voltage
2.50mm Up to 8.0A 26 to 20 AWG Up to 250V

MUO 2.5 Termination Connectors

MUO 2.5 connectors simplify wire termination compared with closed-end (CE) terminals, reducing assembly time and labor costs. The rugged design offers safety features that make it ideal for automotive and industrial wiring harnesses.

Molex MUO 2.5 Termination Connector
Pitch Current Wire Gauge Voltage
2.50mm Up to 5.0A 28 to 20 AWG Up to 250V

Micro-Fit Connectors

Micro-Fit Connectors offer high-quality interconnect solutions and are engineered to meet the exacting demands of compact, high-performance applications where reliable power and signal connectivity are paramount.
Molex Micro-Fit Connector headers, housing, receptacle and terminals.
Pitch Current Wire Gauge Voltage
3.00mm Up to 10.5A 30 to 18 AWG Up to 600V

Micro-Fit+ Connectors

Micro-Fit+ Connectors are uniquely designed to meet the demands of power applications that require a compact, high-density solution without compromising performance or reliability. Learn more.
Molex Micro-Fit+ Connector header and receptacle.
Pitch Current Wire Gauge Voltage
3.00mm Up to 13.0A 30 to 16 AWG Up to 600V

Swing TPA Hermaphroditic Connectors

As manufacturers seek ways to optimize their bill of materials, Swing TPA Connectors offer a hermaphroditic connector system that only requires two items for a solution. This enables manufacturers to significantly reduce connector mating time and production costs, while also prioritizing operator safety in a compact, space-saving design.

Collage of Molex Swing TPA hermaphroditic connectors.
Pitch Current Wire Gauge Voltage
3.96mm Up to 8.5A 28 to 22 AWG Up to 600V

Ultra-Fit Connectors

Compact, high-power Ultra-Fit Connectors feature high current capacity and thermal protection, optimizing PCB space for demanding applications. These connectors are Glow-Wire capable and offer mechanical keying and potting options.

Molex Ultra-Fit Connector housings and receptacles.
Pitch Current Wire Gauge Voltage
3.50mm Up to 14.0A 22 to 16 AWG Up to 600V

Mini-Fit Connectors

Versatile and rugged, Mini-Fit Connectors provide numerous options that allow designers to meet application-specific requirements for terminal retention, mating force, blind mating, power density, color coding and Glow-Wire capability.

Molex Mini-Fit Connector headers, housings and receptacles.  
Pitch Current Wire Gauge Voltage
4.20mm Up to 20.5A 28 to 14 AWG Up to 600V

Mega-Fit Connectors

Compact, high-power Mega-Fit Connectors deliver superior power density for space-constrained applications. Available locking features ensure exceptional reliability while keying/color-coding options accelerate assembly processes and reduce costs.

Molex Mega-Fit Connector header, housings and receptacles.
Pitch Current Wire Gauge Voltage
5.70mm Up to 30.0A 16 to 10 AWG Up to 600V

VersaBlade Connectors

VersaBlade Connectors are ideal for extreme conditions, providing up to 14.0A of current with an operating temperature range of -55 to +150°C. Positive-locking, TPA and panel-mount options improve reliability in harsh environments. With Glow-Wire capable housings, these connectors are ideal for home appliances and food preparation equipment.

Molex wire-to-wire VersaBlade Connector housings and receptacles.  
Pitch Current Wire Gauge Voltage
6.20, 7.30, 8.00, 8.50, 8.70mm Up to 15.0A 24 to 14 AWG Up to 600V

MLX Connectors

With enhanced design flexibility and cost efficiency, MLX Connectors allow smaller PCBs with fewer drilled holes. Industry-standard plugs, caps and terminals with positive-locking features improve safety and reliability while reducing assembly time and costs.

Molex MLX Connector housings, receptacles and terminated leads.
Pitch Current Wire Gauge Voltage
6.35mm Up to 20.0A 24 to 14 AWG Up to 600V

Sabre Connectors

Ideal for robust, higher-current applications, which require design flexibility for various applications and configurations.

Molex Sabre Connector header, housing, receptacle and terminals.
Pitch Current Wire Gauge Voltage
7.50mm Up to 18.0A 24 to 14 AWG Up to 600V

Super Sabre Connectors

Super Sabre Connectors deliver 34.0A per blade and withstand operating temperatures up to +125°C, delivering reliable long-term performance across industries.
Molex Super Sabre Connector headers and terminals.
Pitch Current Wire Gauge Voltage
7.50mm Up to 34.0A 12 to 10 AWG Up to 600V

Mini-Fit Sr. Connectors

Mini-Fit Sr. Connectors support high-current, power-dense applications by providing up to 50.0A per circuit. A four-point terminal contact system, positive locks, TPA retainers and double-crimp options help deliver superior electrical performance and long-term reliability.

Molex Mini-Fit Sr. Connector headers, housings and receptacles.
Pitch Current Wire Gauge Voltage
10.00mm Up to 50.0A 16 to 8 AWG Up to 600V

Sealed Wire-to-Wire Connectors


Squba Connectors

Ideal for compact applications exposed to dust, moisture and vibration, IP68-rated Squba Connectors deliver high power and superior reliability. Color-coded and mechanically keyed options help accelerate assembly and reduce production costs.

Molex Squba cable assemblies in multiple colors.
Pitch Current Wire Gauge Voltage
1.80, 3.60mm Up to 14.0A 24 to 16 AWG Up to 600V

MX64 Connectors

OEM-approved and USCAR-compliant compact MX64 Sealed Connectors offer features that provide a secure connection for rugged automotive applications, including a version designed for seamless mating with a variety of LED modules.

Molex MX64 sealed connectors
Pitch Terminal Size Wire Gauge Specification
2.54mm 0.64mm 22 to 18 AWG USCAR compliant

MX150 Connectors

An environmentally sealed, submersible product family that withstands harsh conditions.

Molex MX150 Connector housings and receptacles.
Pitch Current Wire Gauge Voltage
1.50, 3.00, 3.50, 4.50, 5.00mm Up to 22.0A 22 to 14 AWG Up to 500V

MXP120 Connector System

A scoop-proof, high-performance, 1.20mm automotive sealed connector system that offers superior mating, sealing and ergonomics.

Molex MXP120 Connector housing and receptacle.
Pitch Terminal Size Current Specifications
4.00mm 1.20mm Up to 13.0A Compatible with AK and GMW3191

Mizu Connectors

Mizu Connectors offer rugged, compact connections for use with small-diameter wires in challenging environments. Ideal for automotive and commercial vehicles, these sealed connectors provide waterproof features and high vibration resistance.

Molex wire-to-wire Mizu Connector housing and receptacle.
Pitch Current Wire Gauge Voltage
2.50, 5.00mm Up to 3.0A 22 to 20 AWG Up to 250V

CMC/CMX Connectors

Hybrid, high-density, sealed CMC/CMX Connectors combine up to 154 circuits into a single IP6K7/IP6K9K-rated connector, meeting diverse needs for challenging applications. Rugged features meet strict global automotive standards.

Molex CMC Connector housing.
Pitch Current Wire Gauge Voltage
2.00, 3.50, 3.70mm Up to 21.0A 20 to 10 AWG Up to 14V

MX150L Connectors

Designed for non-automotive, commercial-vehicle, marine and other harsh environments, the pre-assembled MX150L Industrial Sealed Connector System exceeds IEC IP67 requirements while providing economical advantages.

Molex MX150L Connector housings and receptacles.
Pitch Current Wire Gauge Voltage
5.84, 7.62mm Up to 40.0A 22 to 8 AWG Up to 600V

Rugged Wire-to-Wire Connectors for Aerospace and Defense


AirBorn M Series Micro-D Connectors

Ultra compact, lightweight AirBorn M Series connectors meet or exceed MIL-DTL-83513 specifications, withstanding extreme temperatures, vibrations and shock forces in mission-critical applications and harsh aerospace environments.

Molex AirBorn M Series MIL-DTL-83513 Micro-D connectors.

AirBorn N Series Nano-D Connectors

Ideal for applications needing rugged, reliable connectors that minimize size and weight, nano-miniature AirBorn N Series connectors are MIL-DTL-32139 qualified for use in aerospace and defense applications subject to extreme conditions.

Molex AirBorn N Series MIL-DTL-32139 Nano-D Connectors

AirBorn R Series 0.075" Rectangular Connectors

Rugged, high-density and field-proven AirBorn R Series connectors use a vibration-resistant four-point contact system to meet or exceed MIL-DTL-55302 specifications for reliability and performance in harsh aerospace and defense applications.

Molex AirBorn R Series MIL-DTL-55302 0.075" Rectangular Connectors.

AirBorn W Series 0.100" Rectangular Connectors

AirBorn W Series connectors offer multiple configuration and termination options as well as a three-point contact system that meets MIL-DTL-55032 specifications, providing versatile and ultra reliable connectivity for mission-critical components.

Molex Grey AirBorn W Series rectangular connectors with gold pins.

AirBorn AirStrip Micro-Strip Connectors

Rugged and compact AirBorn AirStrip connectors deliver ultra reliable operation in extreme conditions. The MIL-DTL-83513-qualified contact system ensures consistent electrical connectivity for size- and weight-restricted applications.

Various types of Molex AirBorn AirStrip connectors including right-angle receptacles, pre-wired I/O plugs and more.

AirBorn verSI Series High-Density Connectors

Ideal for high-speed, high-density signal transmission in mission-critical applications, AirBorn verSI Series connectors offer data rates up to 25Gbps and 40 to 500 contacts in a microminiature, lightweight, rugged and versatile form factor.

Molex AirBorn verSI High-Density Connectors.

AirBorn SInergy Modular High-Speed Hybrid Connectors

Durable, modular and customizable, MIL-DTL-83513-qualified AirBorn SInergy connectors provide up to five configurable bays with signal or RF interfaces that support up to 25Gbps per lane and 75Gbps aggregate bandwidth.

Molex AirBorn SInergy Modular High-Speed Hybrid Connector with five bays and a combination of signal and SMPM RF interfaces.

Frequently Asked Questions


What is a wire-to-wire connector?

A wire-to-wire connector creates a separable electrical and mechanical interface between two sets of wires or cables, enabling the direct transmission of power, signals or data between different components or devices. Wire-to-wire connectors are common in complex wiring harnesses and in industrial, home-appliance, automotive, transportation and consumer-electronics applications.

How do I choose the right wire-to-wire connector?

Considerations when choosing the right wire-to-wire connector include current and voltage requirements; wire gauge; available installation space; environmental conditions; vibration exposure; locking and retention requirements; and regulatory requirements. Molex offers wire-to-wire interconnect solutions ranging from compact, high-density connectors to robust high-current power connectors that support demanding applications.

Which wire-to-wire connectors are best for compact designs?

Miniaturized interconnect solutions such as PicoBlade, Nano-Fit, Micro-Fit or Micro-Lock Plus Connectors provide robust power and signal connectivity in a form factor ideal for space-constrained applications.

Are wire-to-wire connectors suitable for harsh environments?

Yes, some wire-to-wire connectors are designed with sealing and positive-locking features that help connectors withstand vibration, mechanical stress, moisture, dust and extreme temperatures. These features improve reliability and support use in demanding environments.

What is the difference between basic, enhanced and pro wire-to-wire connectors?

Wire-to-wire connectors can be categorized based on features and capabilities. Molex connectors in the basic category provide essential connectivity, including standard terminal systems. Enhanced connectors offer additional features such as positive locks, terminal position assurance and more robust designs. Pro connectors are engineered for use in demanding applications and may offer high-current capability, high circuit density, integrated secondary locking and environmental protection such as sealing.