Description
The MMCX (Micro-Miniature Coaxial) female PCB connector is a high-performance RF component valued for its exceptionally small profile and its ability to provide a secure, rotatable connection directly on the circuit board surface. This variant is designed specifically for Surface Mount Technology (SMT), featuring a flat base and contact leads optimized for solder paste application and high-volume reflow soldering processes. The snap-on coupling mechanism allows for quick, tool-less mating with MMCX plugs, facilitating rapid interconnectivity in modular electronic systems.
This connector is specialized for high-density electronic packaging, allowing for efficient RF signal transitions from the PCB to external antennas or internal jumpers. The SMT mounting eliminates the need for through-holes, preserving board real estate on the opposite side and simplifying multi-layer PCB designs. Manufactured with a gold-plated brass body and premium PTFE (Teflon) insulation, it delivers consistent 50-Ohm performance and reliable operation up to 6 GHz, ensuring signal integrity in sophisticated IoT, cellular modules, and high-speed data devices.
Key Technical Advantages
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Optimized for Automated Assembly: The SMT design is fully compatible with standard pick-and-place machinery and reflow soldering, significantly reducing production time for high-volume manufacturing.
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Ultra-Compact SMT Footprint: The micro-miniature design enables high-density packaging on PCBs where vertical space and board area are at a premium.
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Micro-Miniature Snap-On Design: The snap-on interface allows for tool-less mating and 360-degree rotation of the mated connection to relieve mechanical stress on the SMT solder joints.
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Low VSWR Performance: Precision-machined internal components and gold-plated surfaces ensure minimal signal reflection and low insertion loss across microwave frequencies.
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Superior Conductivity: Features heavy gold plating on the body and center contact to ensure excellent solderability, low contact resistance, and long-term protection against oxidation.
Key Features
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Interface Type: MMCX Female (Jack) with snap-on coupling mechanism.
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Mounting Type: PCB Mount (Surface Mount Technology – SMT).
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Termination Method: Solder (SMT Pads).
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Body Orientation: Straight (Vertical) configuration for board-to-cable or board-to-board interfacing.
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Premium Construction: Features a gold-plated brass body and high-performance PTFE dielectric.
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Common Application: Wi-Fi/Bluetooth modules, GPS receivers, cellular IoT sensor hubs, and compact wireless instrumentation.
🔹 Applications:
- Surface mount RF PCB connections
- Wireless communication modules
- IoT devices
- RF signal routing
- Embedded systems
- Communication circuit


Deepak Sant (verified owner) –
Product quality feels premium and genuine. Really good experience with AetherX.
Mamta (verified owner) –
Really happy with the support team. I had a few technical doubts before ordering and they explained everything patiently.