The SMA Self Locking Connector for UFB142A Cable from SIPU RF Technology combines precision engineering with advanced anti-decoupling design to deliver unmatched reliability in high-vibration environments. Manufactured to military-grade standards, this connector features an integrated self-locking mechanism that prevents coupling nut loosening under mechanical stress.
It is designed with 50Ω impedance and a frequency range of DC–18 GHz, and has VSWR ≤1.3 and a lifetime of over 500 mating cycles. Gold plating and brass structure provide excellent corrosion resistance and electrical conductivity. Reliable operation over -65C to +125℃. This product is tailored particularly for the unusual size profile of UFB142A cable that does away with signal discontinuities that afflict typical connections in aircraft, telecommunications, and marine applications.
| Parameter | Value |
|---|---|
| Model | SIPU-SMA-J36-ZS |
| Characteristic Impedance | 50Ω |
| Frequency Range | DC–18 GHz |
| VSWR | ≤ 1.3 |
| Power Rating | 1 W |
| Mating Cycles | ≥ 500 |
| Operating Temperature | -65℃ to +125℃ |
| Interface Gender | Male |
| Orientation | Straight |
| Outer Conductor Material | Brass, Gold Plated |
| Center Conductor Material | Brass, Gold Plated |
| Dielectric | PTFE |
| Sealing Ring | Silicon Rubber |
| Contact Resistance | Center & Outer Contact Optimized |
Once installed, the inbuilt ratchet type locking mechanism engages automatically. This ensures that the connection nut cannot be turned by vibration or temperature cycles. You may forget about occasional signal loss in mobile or high-vibration setups.
This design is not a generic SMA connection but is dimensionally suited to the jacket and dielectric profile of the UFB142A cable. The outcome is a strong cable-to-connector transition that preserves phase stability and minimises insertion loss throughout the full frequency spectrum.
Center and outer conductors are gold plated over brass This provides better conductivity and enhanced corrosion resistance, providing longer service life in difficult situations such as maritime and industrial areas.
Reliable functioning under harsh situations Demonstrated operation from -65℃ to +125℃ The PTFE dielectric and the silicon rubber sealing ring provide electrical integrity even under temperature stress.
Every batch undergoes rigorous quality verification at SIPU RF Technology. Insulation resistance and dielectric withstanding voltage are tested using specialized test equipment to ensure consistent electrical performance.

Plating thickness and adhesion are measured for each production lot to verify corrosion resistance. RoHS environmental compliance testing is conducted batch-by-batch, ensuring full regulatory conformance. These stringent controls guarantee that each SMA Self Locking Connector for UFB142A Cable meets enterprise-grade reliability standards.

Ideal for cockpit instrumentation and UAV systems where engine vibration and G-forces can cause standard connectors to loosen. The self-locking feature maintains electrical continuity without periodic maintenance.
Deployed in small cell antennas and base station installations exposed to wind-induced movement. The anti-loosening design ensures long-term, maintenance-free operation in outdoor environments.
Suitable for shipborne radar and communication systems facing salt-mist corrosion and hull vibration. The gold-plated contacts and secure locking mechanism maintain high shielding effectiveness in marine conditions.
Perfect for laboratory RF test setups requiring frequent reconfiguration. The 500+ mating cycle rating ensures repeatable performance even with regular connect/disconnect operations.

Q: Is this connector compatible with standard SMA interfaces?
A: Yes, it follows MIL-STD-348 interface dimensions and is fully intermateable with standard SMA connectors while providing enhanced locking security.
Q: Can I use a standard torque wrench for installation?
A: Absolutely. A 5/16-inch torque wrench is recommended. The self-locking mechanism engages automatically once you reach the proper torque specification.
Q: Does the locking feature wear out over time?
A: Professional-grade connectors are rated for 500+ mating cycles. The locking mechanism is engineered to exceed the operational life of the cable assembly itself.
Q: What makes UFB142A cable special for this application?
A: UFB142A offers superior flexibility and lower attenuation compared to standard cables. This connector's internal geometry is specifically tuned to UFB142A's dimensions for optimal signal transition.
Q: Can this connector handle extreme temperatures?
A: Yes, the operating range of -65℃ to +125℃ matches the high-performance PTFE dielectric specifications of UFB142A cable.

Our SMA Self Locking Connector for UFB142A Cable's team responds within 12 hours to support your project requirements. Reach us at info@sipuconn.com to discuss your application.
Contact us directly for customized solutions, quotations and long-term strategic cooperation.