Times Microwave EZ-195-QM-X QMA Male Non-Solder Pin Connector for LMR-195 Coaxial Cable
EZ-195-QM-X Connector is a high-performance QMA Male (plug) connector specifically designed for rapid, tool-less connection and termination of LMR-195 and similar flexible low-loss coaxial cable. As a part of the EZ-Fit series, this connector is engineered for superior electrical performance up to 6 GHz while leveraging the snap-on/snap-off functionality of the QMA interface, offering a significant advantage over traditional threaded connectors in high-density or quick-connect applications.
Key Features & Advantages
- QMA Quick-Connect Interface: Uses a secure snap-on/snap-off locking mechanism instead of threading, allowing for faster mating and demating, crucial in high-volume production or maintenance environments.
- EZ-Fit™ Technology: Features a solderless, spring-finger inner contact design, eliminating the need for soldering the center pin and minimizing installation time and the chance of thermal damage.
- Optimal RF Performance: Delivers consistent, reliable electrical performance with low loss and an excellent VSWR (Voltage Standing Wave Ratio) up to 6 GHz.
- No Braid Trim Required: Simplifies cable preparation by removing the need to trim the cable braid, ensuring consistent electrical geometry and assembly quality.
- Robust and Compact: Constructed from machined brass with nickel plating, offering durability and a compact form factor similar to SMA, but with enhanced installation speed.
Detailed Technical Specifications
| Attribute | Detail |
| Connector Style | QMA (Quick-Mate) |
| Gender | Male (Plug) |
| Interface | Straight, Quick-Disconnect |
| Impedance | 50 Ohms |
| Max Frequency | 6 GHz |
| Compatible Cable Group | LMR-195 (or equivalent) |
| Inner Contact Attachment | Spring Finger (Non-Solder) |
| Outer Contact Attachment | Crimp |
| Body Material/Finish | Brass / Nickel Plating |
| Center Contact Plating | Gold |
| Dielectric Material | PTFE (Polytetrafluoroethylene) |
Applications
- Wireless Infrastructure: Rapid deployment and connection of base stations, repeaters, and antennas.
- High-Density Panel Applications: Used where many cables must be connected or disconnected quickly, such as in test fixtures or modular systems.
- Internal Enclosures: Providing quick connections inside equipment that may require frequent servicing or component swaps.
- Test and Measurement: Creating durable, easy-to-use jumper cables for lab environments.
Installation & Recommended Tooling
- Crimping Tool: The required hex die size (typically .213″ HEX) must be used for the ferrule.
- Cable Prep Tool: A dedicated CST-195/200 is essential to achieve the precise cable dimensions needed for the solderless contact.
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