English
MMCX connectors are coaxial RF connectors similar to MCX but smaller.
The connectors have a lock-snap mechanism allowing 360-degree rotation and usually have a 50 Ω impedance.
They offer broadband capability from DC to 6 GHz.
MMCX connectors are most commonly seen on Wi-Fi PCMCIA cards as antenna connectors or as connectors for external GPS antennas on small devices like PDAs or GPS receivers.
They are also used by various brands of in-ear monitors to connect the cable to the individual earpieces.
This allows for the cables to be replaced or swapped.
| Electrical Specifications | ||
| Temp.range | ’-55～+165°C | |
| Impedance | 50Ω | |
| Frequency Range | DC～6GHz | |
| Working Voltage | 170V max | |
| Withstand Voltage | 500V rms | |
| Orientation | Right angle | |
| Termination Style | cable | |
| Contact resistance | ||
| Center Contact | ≤ 5 mΩ | |
| Outer Contact | ≤ 2.5 mΩ | |
| Insulation resistance | ≥ 1000 MΩ | |
| VSWR Right angle | ≤1.25 | |
| Durability(mating) | ≥500（cycles） | |
| MATERIAL & PLATING | ||
| Shell | Brass | Gold plated |
| Elastic contact | Beryllium | Gold plated |
| Inner conductor | Beryllium or tin brass | Gold plated |
| Insulator | PTFE Crimping suite | Copper alloy |
| Contact pin | Brass | Gold plated |
| o-ring sealing | nickel or gold plated | 6146 silastic |
This type MMCX RF connectors are typically used with coaxial cables and are designed to maintain the shielding that the coaxial design offers.
Ideal for lightweight and space-limited applications.
MMCX is a micro-miniature connector with a lock-snap mechanism allowing for 360 degrees rotation.
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