Description
The MMCX (Micro-Miniature Coaxial) female PCB connector is a high-performance RF component valued for its exceptionally small footprint and its ability to provide a secure, rotatable connection directly on the circuit board. This variant is designed for direct solder mounting, featuring precision legs (leads) and a center contact pin that interface with standard PCB pads. The snap-on coupling mechanism allows for quick, tool-less mating with MMCX plugs, facilitating rapid assembly and testing in complex 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 through-hole or SMT mounting provides high mechanical strength and excellent grounding to the board’s ground plane. 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, broadband, and medical devices.
Key Technical Advantages
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Ultra-Compact PCB Footprint: The micro-miniature design enables high-density packaging on printed circuit boards where traditional SMA or SMB connectors are too large.
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Superior Grounding & Stability: Features multiple solder points (legs) that provide a robust mechanical bond and a low-impedance path to the PCB ground plane.
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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 cable to relieve mechanical stress on the PCB pads.
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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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Gold-Plated Durability: Features heavy gold plating on the body and center contact to maintain 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 (Straight Through-Hole, Right Angle, or Surface Mount).
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Termination Method: Solder (Legs and Center Pin).
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Body Orientation: Available in Straight or Right Angle configurations to suit specific board layouts.
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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 modules, cellular IoT devices, GPS receivers, and internal PCB-to-antenna signal routing.
🔹 Applications:
- PCB-mounted RF connections
- Embedded communication systems
- IoT devices
- Wireless modules
- RF signal routing
- Antenna integration


Kalpana (verified owner) –
Very good experience overall. Product works perfectly and feels premium. Packaging and delivery service were also excellent.
RadhaPriya (verified owner) –
Really satisfied with my purchase experience from AetherX.