M9 Connector, M Series Connector

M9 Connector, M Series Connector

Features

-Series: M Series Connector (Metric Circular Connector)

-Model: M9 Connector

Available in 2, 3, 4, 5, 7, and 8 poles, offering high-density signal transmission in an ultra-compact footprint

-Gender: Male and Female (Plug & Receptacle / Panel Mount)

Features a 9mm outer thread diameter, making it one of the smallest threaded connectors—perfect for space-constrained devices

Manufactured for high-accuracy signal transmission in medical devices, laboratory equipment, and miniature sensors

– IP67 waterproof rating when mated, providing reliable protection against dust, moisture, and temporary immersion

The M9 x 0.5 threaded locking mechanism ensures a stable, vibration-resistant connection that prevents accidental decoupling

-Available in nickel-plated brass or high-quality polymers, providing excellent mechanical strength and EMI/RFI shielding options

– Supports various termination styles, including solder and PCB dip, to simplify integration into compact circuit boards and handheld devices

-Designed for high mating cycles, ensuring long-term reliability in precision measurement and testing applications

M9  Circular Connectors, Male & Female Precision Plug, 9mm Metric Thread, IP67 Waterproof for Compact Instrumentation

What is M9 Connector?

M9 connectors are metric circular connectors with a 9 mm outer thread diameter. Our M9 connectors are manufactured in strict accordance with high-precision processes, ensuring seamless compatibility and stable transmission in sophisticated applications such as high-end sensors and medical devices.

Advantages of M9 Connectors

  • Ultra-Compact Design

M9 connectors provide a significant space-saving advantage (approx. 50% smaller than M12), ideal for handheld devices and micro-sensors.

  • High-Density Signal

Offers up to 8 pins in a 9mm shell, allowing for complex signal transmission in minimal space.

  • Robust Threaded Locking

 Threaded locking mechanisms ensures the connector remains secure even under vibration and accidental pulls.

  • Excellent Sealing

Provides IP67-rated protection, shielding internal electronics from dust and temporary immersion in water.

Main Types of M9 Connectors

M9 2 Pin Connector
M9 3 Pin Connector 
M9 4 Pin Connector
M9 5 Pin Connector 
M9 7 Pin Connector
M9 8 Pin Connector

 Details of M9 Connectors

ParameterSpecification
Series:M Series Connector
Model:M9 Connector
Industry Standards:Built to high-precision Subminiature Standards
Number of Contacts:2, 3, 4, 5, 7, 8-Pin
Orientation:Straight or Right Angle
Gender:Male & Female Socket Sets
Coding Options:Standard Subminiature Pin Assignment
Cable Length:0.5m – 10m (Customizable)
Operating Temperature:-20°C ~ +85°C
Rated Voltage:30V to 125V (Pin count dependent)
Current Rating:1A to 4A (Typically lower for higher pin counts)
Contact Resistance: ≤3 mΩ
Insulation Resistance:≥100 MΩ
NEMA Rating:IP40 (Indoor), IP67 (Outdoor)
Locking Style:Threaded Locking (M9 x 0.5)
Mating Cycles:> 500 Cycles
Housing Material:Nickel-plated Brass, PA66 Plastic, or Alloys
Contact Plating:Gold-plated over Copper Alloy
Certification:CE, RoHS, UL

M9 Connector Selection Guide

Pin CountPrimary FunctionTypical Applications
2-4 PinDC Power / Basic SignalMicro-sensors, LED lighting, DC power
5-8 PinData & Multi-signalLab instruments, Medical monitors, Handheld GPS

Typical Applications

  • Medical Device Manufacturing (Patient monitors, handheld diagnostics)

  • Precision Instrumentation & Control

  • Micro-Sensors & Actuators

  • Laboratory & Analytical Equipment

  • Compact Robotics & Drone Electronics

  • Telecommunications & Audio Systems

  • Security & Miniaturized Surveillance

Huada Group – Your Professional Connector Manufacturer In China

Huada is a professional connector manufacturer integrating R&D, design, and manufacturing. We are ISO 9001 certified, ensuring standardized design, production, and testing processes. For over 20 years, huada has been committed to providing one-stop connector solutions for various industries.

 

Our modern factory is powered by advanced automation, featuring state-of-the-art equipment like automatic welding machines, precision crimping systems, and automated assembly lines. We have a complete production line from processing and assembly to testing, enabling efficient and large-scale automated production.

 

At huada, we provide 24/7 online professional technical support and comprehensive sales services, including selection guidance, drawing support, project follow-up, and after-sales service. Want to learn more about our M9 connector? Please contact huada at +86-152120067961 or email sales@connector-sensor. com for more information.

Related Products:

M5 Connector
M8 Connector
M12 Connector
M23 Connector
M40 Connector

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Strict Production Process

Product Design

Engineers develop optimized electronic circuits and structural designs based on real application needs.

Premium Component Sourcing

High-quality components and materials are carefully selected from trusted suppliers to ensure long-term reliability.

Advanced PCB Manufacturing

Automated SMT and precision soldering technologies are used to build stable and high-performance circuit boards.

Precision Assembly

Sensor elements or connector terminals are assembled with the PCB and housing to ensure accurate operation and strong mechanical stability.

Calibration & Performance Testing

Each product undergoes strict calibration and functional testing to guarantee accuracy and stable performance.

Final Quality Inspection & Packaging

Every unit is carefully inspected, labeled, and securely packaged to ensure it arrives safely and performs reliably for your applications.

Strict Production Process of Yafeite