Type QMA male plug straight, EZ style connector
EZ-240-QM-X Connector is a high-performance QMA Male (plug) connector specifically engineered for rapid, reliable termination of LMR-240 and similar flexible low-loss coaxial cable. As a premium component of the revolutionary EZ-Fit series, this connector provides the superior signal integrity of the QMA interface combined with the convenience of a solderless, tool-less connection. It’s the ideal choice for compact, high-density installations where speed and ease of use are crucial.
Key Features & Advantages
- QMA Quick-Connect Interface: Utilizes a secure, snap-on/snap-off locking mechanism instead of threading, allowing for rapid mating and demating, which is essential in high-volume production or maintenance environments.
- LMR-240 Optimized: Precisely matched to the electrical and physical requirements of LMR-240 coaxial cable, ensuring low insertion loss and excellent VSWR performance up to 6 GHz.
- EZ-Fit Solderless Technology: Features a cutting-edge spring-finger inner contact that eliminates the need for soldering the center pin, significantly reducing installation time and improving assembly consistency in the field.
- No Braid Trim Design: Simplifies cable preparation by eliminating the braid trim step, ensuring consistent, optimal termination geometry.
- Rugged and Compact: Built with durable machined brass and finished with nickel plating for reliable performance in demanding environments while maintaining a compact footprint.
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-240 (and variants) |
| Inner Contact Attachment | Spring Finger (Solderless, Push On) |
| Outer Contact Attachment | Crimp |
| Body Material/Finish | Brass / Nickel Plating |
| Center Contact Plating | Gold |
| VSWR (DC-6 GHz) | < 1.35:1 |
Typical Applications
- Modular Telecommunications: Used in systems requiring frequent changes or upgrades where speed and ease of connection are crucial.
- High-Density Panels: Ideal for crowded equipment racks where accessing threaded connectors is difficult.
- Industrial IoT (IIoT): Connecting remote monitoring devices and sensors utilizing LMR-240 coaxial cable.
- Test and Measurement: Creating durable, easy-to-use jumper cables for automated test environments.
Installation & Recommended Tooling
- Crimping Tool: Times Microwave 3190-667 CT-240 tool is mandatory for securing the ferrule.
- Cable Prep Tool: A dedicated CST-240A is essential for achieving the exact strip dimensions required by the solderless contact.
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