MMCX RF Connectors Guide: Types, Structure, and Uses Explained
What are MMCX RF Connectors?
MMCX (Micro-Miniature Coaxial) RF connectors are ultra-compact snap-on connectors designed for space-constrained RF applications. They feature a push-on coupling mechanism that allows quick and easy connection and disconnection without threading.
Smaller than MCX connectors, MMCX connectors are ideal for high-density and lightweight designs. They are commonly used in telecommunications, GPS devices, wearable electronics, and medical equipment where size and weight are critical.
Due to their compact size and reliable performance, MMCX connectors are widely used in modern portable and miniaturized electronic devices.
MMCX vs MCX RF Connectors
MMCX and MCX connectors are both compact RF connectors with snap-on coupling, but they differ in size and application.
MMCX connectors are smaller and designed for ultra-compact and high-density applications. MCX connectors are slightly larger and provide a more robust connection for general RF use.
While both connectors support quick connection and disconnection, MMCX connectors are preferred in space-limited devices, whereas MCX connectors are used where a more secure connection is required.
Browse MMCX RF Connectors by Type
Find MMCX RF connectors by type and quickly navigate to the right product category.
Can't find the right MMCX RF connector? We're here to help.
Micro Coaxial Cables
Trivia : About Cables
- MIL Standard Cables
These cables, also known as Mil-Spec, are engineered to meet rigorous US military specifications for performance and durability. They often feature the "RG" prefix, which stands for "Radio Guide," reflecting their roots in radio technology. They are critical in demanding applications like defense, aerospace, and telecommunications, where reliability is non-negotiable.
- Micro Coaxial Cables
These ultra-thin cables are designed to connect to miniature RF connectors like U.FL. They ensure signal integrity in space-constrained devices such as smartphones, laptops, and medical equipment, making them vital for modern compact electronics.
MMCX RF Connector Features
Ultra-Compact Size
Even smaller than MCX connectors, enabling mounting in limited space.
Coupling Method
Similar to the MCX connector, the snap-on coupling method is used, which allows easier coupling of connectors compared to the threaded coupling method. Since the connectors can be coupled by simply pushing them together, they are suitable for locations where space is limited.
MMCX RF Connector Applications
Our MMCX RF connectors are versatile, widely used in telecommunications, medical, and transportation due to their compact size and reliability.
Telecommunications: They excel in wireless devices like antennas and GPS modules, delivering high-frequency performance in tight spaces, ideal for Wi-Fi and Bluetooth applications.
Medical: Their miniature design suits portable devices such as hearing aids and diagnostic tools, ensuring reliable connections critical for patient care.
Transportation: Used in automotive GPS and aerospace avionics, they offer a lightweight, space-saving solution for navigation and communication systems.
These features make them essential across industries.
How to Choose MMCX RF Connectors
Choosing the right MMCX RF connector depends on size constraints, cable compatibility, and application requirements.
1. Consider Size Requirements
MMCX connectors are ideal for ultra-compact designs where space is limited.
2. Match Cable Type
Ensure compatibility with the coaxial cable used in your system, including size and impedance.
3. Check Application Needs
MMCX connectors are commonly used in portable devices, antennas, and compact RF modules.
4. Evaluate Durability Requirements
If frequent mating and unmating is required, consider connector durability and retention strength.
Not sure which connector is right for your application? Contact us for assistance.
MMCX RF Connector Standards & Dimensions
Compatible Standards
BS EN 122340:2002
Impedance
50 Ω
Coupling Method (Connection)
Snap-on Coupling
Voltage Rating
AC 170 V
Maximum Voltage
DC 500 V
Insulation Resistance
1,000 mΩ min. at 500 V DC
Contact Resistance
Center 5.0 mΩ max.; Outer 2.5 mΩ max.
Material
Brass (brass), beryllium copper
Surface Treatment
Gold plating
Wiring Method
Solder, crimp
Note: The figures provided are typical values. For further details, please contact us.
MMCX Type RF Connector FAQs
QWhat is the difference between MCX connectors and MMCX connectors?
QWhat is the difference between MCX connectors and MMCX connectors?
MMCX connectors are smaller than MCX connectors, which are in turn smaller than SMB connectors. Their ultra-compact size makes MMCX ideal for applications where space and weight are critical.
> MCX
QWhat are the main applications for MMCX connectors?
QWhat are the main applications for MMCX connectors?
MMCX connectors are used in telecommunications, medical devices, transportation systems, and consumer electronics like GPS receivers and in-ear monitors.
QWhat is the frequency range of MMCX connectors?
QWhat is the frequency range of MMCX connectors?
MMCX connectors support frequencies from DC to 6 GHz, making them suitable for a wide range of RF applications.
QWhat is the typical impedance of MMCX connectors?
QWhat is the typical impedance of MMCX connectors?
MMCX connectors typically have a 50-ohm impedance, which aligns with most RF system standards.
QWhat types of coaxial cables are compatible with MMCX connectors?
QWhat types of coaxial cables are compatible with MMCX connectors?
MMCX connectors work with small coaxial cables such as our RG-316.
QWhat are the advantages of using MMCX connectors?
QWhat are the advantages of using MMCX connectors?
MMCX connectors are small, lightweight, and feature a snap-on design for quick, easy connections, perfect for space-limited applications.
QWhat are the limitations of MMCX connectors?
QWhat are the limitations of MMCX connectors?
Their small size makes MMCX connectors less suitable for high-power applications or rugged environments.
QHow should I connect and disconnect MMCX connectors to ensure their longevity?
QHow should I connect and disconnect MMCX connectors to ensure their longevity?
Push straight in to connect and pull straight out to disconnect without twisting, preserving the connector and cable integrity.
QHow can I order MMCX RF connectors, and what support do you offer?
QHow can I order MMCX RF connectors, and what support do you offer?
Ordering is simple—you can purchase our MMCX RF connectors directly on our website or contact our sales team for assistance. We also provide full technical support, including datasheets, CAD models, and application notes, to help you pick the perfect connector for your project.
Purchase Guide
Tyclon coaxial connectors and processed coaxial cable products can be purchased directly online using a variety of credit cards.
