MCX Connectors
Compact snap-on RF connectors offering 12 GHz broadband performance enabling broadband applications
Overview
Amphenol RF’s MCX series delivers space-saving, push-on RF interconnects designed for quick assembly and dependable signal performance. Available in both 50 Ω and 75 Ω versions, MCX connectors support a range of applications, from wireless communications to automotive infotainment and instrumentation.
With operational bandwidth up to 12 GHz, strong mechanical durability, and a miniature form factor, MCX connectors provide engineers with reliable RF connections in tight spaces without compromising on performance.
Features and Benefits
- Broadband frequency support: Up to 12 GHz, ideal for RF, cellular, and video environments
- Quick snap‑on coupling: Easy and repeatable mating without threaded hardware
- Versatile impedance options: Standard 50 Ω with select 75 Ω versions for video applications
- Compact design: Suitable for dense PCB layouts and small cabling schemes
- High mating durability: Rated for 500+ cycles with consistent performance
Key Technical Details
- Impedance: 50 Ω nominal; available 75 Ω versions for specific video/frequency needs
- Frequency Range: DC–12 GHz (50 Ω); 75 Ω models support up to 6 GHz, with select parts rated for 12 GHz
- Voltage Rating: ~225 VRMS continuous (50 Ω); ~170 VRMS continuous (75 Ω); withstands higher dielectric voltages
- Mating Cycles: ≥ 500 cycles, ensuring longevity in frequent-use scenarios
- Temperature Range: –65 °C to +165 °C (may vary based on cable and configuration)
Applications
- Wireless antennas and RF modules
- GPS and navigation systems
- Laboratory and field test equipment
- Automotive infotainment and telematics
- Broadcast solutions and 12G video connectivity
Explore Amphenol RF’s MCX platform, featuring cable plugs, PCB jacks, bulkhead adapters, and sealed variants. For custom cable assemblies, impedance tuning, or ruggedized configurations, contact our engineering team to find the ideal MCX solution for your application.
Specifications
MCX Connectors
50 Ohm
Electrical
| Impedance | 50 Ohm |
| Frequency Range | DC - 6 GHz |
| Voltage Rating | 2255 Volts RMS Max Continuous |
| Dielectric Withstanding Voltage | 1000 VRMS Max |
| VSWR (Return Loss) | |
|
DC - 6 GHz
|
1.3 (-18 dB) Max |
| Insulation Resistance | 10000 MΩ Min |
| Center Contact Resistance | 5 mΩ Min |
| Outer Contact Resistance | 1 mΩ Min |
| RF Leakage | -60 dB Max @ 1 GHz |
| Insertion Loss | 0.10 db Max @ 1 GHz |
| Power Handling | 95 W Max @ 1 GHz @ 25 ºC |
Environmental
| Temperature Range | −65°C to +165°C |
| Thermal Shock | MIL-STD-202, Method 107 (Test Condition B), Except high temperatures @ +200⁰C |
| Corrosion | MIL-STD-202, Method 101 (Test Condition B) - 5% Salt Solution |
| Vibration | MIL-STD-202, Method 204, Snap-On (Test Condition B) |
| Mechanical Shock | MIL-STD-202, Method 213, Snap-On (Test Condition B) |
| Moisture Resistance | MIL-STD-202, Method 106 |
Mechanical
| Mating Cycles | 500 Min |
| Coupling Mechanism | Push-On |
| Interface Specification | CECC 22220 |
| Engagement Force | 20 N Max |
| Disengagement Force | 10 N Min |
75 Ohm
Electrical
| Impedance | 75 Ohm |
| Frequency Range | DC - 6 GHz (0 - 18 GHz on 12G Products) |
| Voltage Rating | 170 Volts RMS Max Continuous |
| Dielectric Withstanding Voltage | 500 VRMS Max |
| VSWR (Return Loss) | |
|
12G Products: DC - 6 GHz
|
1.22 (-20 dB) Max |
|
12G Products: 6 - 12 GHz
|
1.43 (-15 dB) Max |
| Insulation Resistance | 10000 MΩ Min |
| Center Contact Resistance | 5 mΩ Min |
| Outer Contact Resistance | 2.5 mΩ Min |
| RF Leakage | -60 dB Max @ 1 GHz |
| Insertion Loss | 0.10 db Max @ 1 GHz |
| Power Handling | 95 W Max @ 1 GHz @ 25 ºC |
Environmental
| Temperature Range | −65°C to +165°C |
| Thermal Shock | MIL-STD-202, Method 107 (Test Condition B), Except high temperatures @ +200⁰C |
| Corrosion | MIL-STD-202, Method 101 (Test Condition B) - 5% Salt Solution |
| Vibration | MIL-STD-202, Method 204, Snap-On (Test Condition B) |
| Mechanical Shock | MIL-STD-202, Method 213, Snap-On (Test Condition B) |
| Moisture Resistance | MIL-STD-202, Method 106 |
Mechanical
| Mating Cycles | 500 Min |
| Coupling Mechanism | Push-On |
| Interface Specification | CECC 22220 |
| Engagement Force | 10 N Max |
| Disengagement Force | 10 N Min |
Note: These characteristics are typical and may not apply to all connectors.
Connector configurations may affect performance.
Interface Dimensions
Plug
Jack
Related Resources
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12G MCX Connector Series
Amphenol RF's 12G MCX connectors support 12Gbps data transfer, facilitating the transmission of high-resolution 4K and Ultra-HD video in a compact size. These connectors are ideal for broadcast modules and video routers, offering both PCB and cable configurations with a push-on coupling mechanism, optimized for 75-ohm 12G SDI applications.
12G SDI Broadcast Solutions
Amphenol RF offers 12G SDI broadcast solutions designed for Ultra High Definition (4K) video, utilizing BNC, HD-BNC, and MCX connectors optimized for 12 Gbps data transfer. These connectors provide reliable, high-quality signal transmission on a single channel, supporting various applications including mobile broadcast, HD cameras, and video routers.
MMCX Plug to Plug Cable Assemblies
Amphenol RF's MMCX Cable Assemblies provide broadband performance with low reflections, featuring quick connect/disconnect snap-on mating in a micro-miniature package size. These 50 ohm assemblies, available in various standard lengths, are ideal for applications such as broadband modules, Wi-Fi access points, GPS units, and antennas, offering reliable performance up to 6 GHz.
MCX Plug to Plug Cable Assemblies
Amphenol RF's MCX Cable Assemblies provide broadband performance with low reflections, featuring a quick connect/disconnect snap-on mating mechanism. These 50 and 75 ohm assemblies, available in various lengths and configurations, are ideal for broadcast equipment, Wi-Fi access points, GPS units, and wireless network antennas, offering reliable electrical performance up to 6 GHz (12 GHz for 75 ohm products).
MMCX Ultraminiature Product Series
Amphenol RF's MMCX Ultraminiature Product Series offers 50 ohm connectors and cable assemblies designed for micro-coax cable types, providing broadband performance with low reflection and quick connect/disconnect snap-on mating. These assemblies are ideal for space-constrained applications such as IoT devices, Wi-Fi access points, GPS units, and external antenna connections, with configurations that allow for flexible routing within enclosures.
MCX Ultraminiature Product Series
Amphenol RF's MCX Ultraminiature Product Series includes robust, 50 ohm connectors and cable assemblies designed for space-constrained applications such as IoT devices and handheld electronics. These assemblies feature quick connect/disconnect snap-on mating, micro-miniature size, and are available in various configurations, making them suitable for external antennas and internal connections within devices.
Amphenol RF MCX Product Catalog
The Amphenol RF MCX series catalog showcases a family of micro-coaxial (MCX) connectors offering broadband performance from DC to 6 GHz (and up to 12 GHz in 75 Ω broadcast variants) with 50 Ω or 75 Ω impedance options, featuring a compact snap-on coupling mechanism for weight- and space-constrained applications.
Amphenol RF MCX Cable Assemblies RG-174 Wireless Communication Modules Datasheet
The Amphenol RF MCX Cable Assemblies Data Sheet highlights between-series board-to-panel cable solutions designed for wireless communication modules. These assemblies combine compact MCX interfaces with rugged, sealed bulkhead connectors to enable reliable RF connectivity in space-constrained and environmentally exposed applications.
Amphenol RF MMCX Cable Assemblies RG-174 for Wireless Modules
The Amphenol RF MMCX cable assemblies datasheet outlines pre-configured 50-ohm RF cable solutions using flexible RG-174 coax for reliable connections in wireless communication modules. It highlights available connector configurations, electrical performance characteristics, and suitability for applications such as IoT, GPS, Wi-Fi, and other compact RF systems.
RF Interconnect for 12G-SDI Broadcast Applications -- Amphenol RF and Mouser Electronics
September 23, 2020 - Today’s 4K and emerging 8K video standards require an enormous amount of bandwidth. And, with all that bandwidth, there are new demands on our interconnects. In this episode of Chalk Talk, Amelia Dalton chats with Mike Comer and Ron Orban of Amphenol RF about the evolution of broadcast technology and the latest interconnect solutions that are required to meet these new demands.
More information about Amphenol RF Adapters & Cable Assemblies for Broadcast: https://bit.ly/3iYYECS
Amphenol RF BNC to MCX Cable Assemblies | New Product Brief
View full article: https://www.allaboutcircuits.com/new-industry-products/amphenol-rf-bnc-to-mcx-cable-assemblies-new-product-brief
View product at Mouser.com: https://bit.ly/2Vp4mmU
Amphenol RF BNC to MCX Cable Assemblies are designed to deliver 4K video and other high bandwidth data on a compact interconnect without compromising signal quality. The cable assemblies offer a 75 ohm impedance and use Belden 4855R cable, ensuring quality transmission from the source to the receiver. For more information, as well as all the latest All About Circuits projects and articles, visit the official website at http://www.allaboutcircuits.com/
Check out Mouser's profile on All About Circuits and see more
product briefs and articles at https://www.allaboutcircuits.com/author/mouser-electronics
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