SIPU RF Technology is the manufacturer of the SSMA Male Connector for RG316 Cable (Model: SIPU-SSMA-J3) . It is a micro-miniature RF connector for corporate use. This precise connection is designed to provide dependable performance from DC to 30 GHz with a typical impedance of 50 ohms. Gold plated brass outer conductor and brass center contact for best conductivity. The insertion loss is < 0.05√F (GHz) dB and VSWR ≤ 1.05 + 0.012F (GHz), such that signals are not distorted. The design is certified for over 500 mating cycles and is shown to work reliably across temperature from -65℃ to +125℃. SIPU combines military grade production standards and 25+ years of RF technical knowledge to consistently offer high frequency performance.
The flange-mount design enables solid panel mounting for critical aerospace, defence and telecom applications. Environmental resistance and long-term stability is ensured by PTFE dielectric material and silicon rubber sealing.
| Parameter | Value |
|---|---|
| Model | SIPU-SSMA-J3 |
| Characteristic Impedance | 50Ω |
| Frequency Range | DC–30 GHz |
| Insertion Loss | ≤ 0.05√F (GHz) dB |
| VSWR | ≤ 1.05 + 0.012F (GHz) |
| Dielectric Withstanding Voltage | 750 V |
| Insulation Resistance | ≥ 1,000 MΩ |
| Center Contact Resistance | ≤ 4.0 mΩ |
| Outer Contact Resistance | ≤ 2.5 mΩ |
| Mating Cycles | ≥ 500 |
| Operating Temperature | -65℃ to +125℃ |
| Orientation | Straight |
| Interface Gender | Male |
| Outer Conductor Material | Brass Gold Plated |
| Center Conductor Material | Brass Gold Plated |
| Dielectric Material | PTFE |
| Sealing Ring | Silicon Rubber |
Your RF system demands connectors that deliver both compactness and reliability. Our SSMA Male Connector for RG316 Cable addresses these requirements through intelligent engineering design.
The SSMA series is 30% smaller in size than SMA connectors, maintaining excellent signal integrity even within high-density RF module layouts. The compact SSMA interface suits high-frequency applications and satisfies stringent space constraints of modern electronic equipment.
Compared with snap-on type connectors, the threaded coupling structure delivers superior vibration resistance.
Gold-plated contacts reduce contact resistance and resist corrosion, ensuring stable long-term electrical performance under harsh operating conditions. PTFE dielectric retains consistent electrical properties across the full operating temperature range.
SIPU RF Technology implements rigorous quality control procedures to ensure every connector meets demanding performance standards. Each production batch undergoes comprehensive inspection protocols.

Dielectric withstanding voltage testing is performed using insulation withstand voltage testers. This verifies the dielectric strength and insulation integrity of every connector. The structural design inherently guarantees VSWR and insertion loss specifications through precision engineering.
Plating quality inspection is conducted for each batch. Testing includes plating thickness measurement and adhesion strength verification to ensure reliable contact performance. Every batch receives RoHS environmental compliance testing to meet international standards.
Our quality system follows ISO 9001 certification requirements. This systematic approach ensures consistent product quality and traceability throughout the manufacturing process.

The SSMA Male Connector for RG316 Cable serves critical functions across multiple high-performance industries. Your application benefits from proven reliability in demanding environments.
Aerospace and Avionics: This connector excels in cockpit instrumentation and flight control systems. The compact footprint enables high-density PCB mounting in both pressurized and unpressurized zones. It withstands extreme temperature variations and maintains signal integrity during flight operations.
Defense Systems: Military applications demand absolute reliability. Our connector integrates seamlessly into electronic warfare equipment and guidance systems. The threaded design ensures stable connections during high-vibration scenarios and rapid deployment situations.
Telecommunications Infrastructure: 5G base stations and high-frequency test equipment benefit from the precision performance. The connector supports modular signal generators and compact internal wiring configurations. You achieve repeatable measurements and reliable connections in laboratory and field environments.
Industrial Electronics: Test and measurement systems require consistent performance. This connector provides the stability needed for calibration equipment and RF signal analysis tools.

Proper installation ensures optimal performance and longevity. You should verify cable compatibility before assembly to ensure proper fit and electrical performance.
Begin by preparing the cable end according to standard strip dimensions. Ensure clean cuts without damaging the center conductor or dielectric material. Crimp the connector firmly using appropriate tooling to achieve specified retention force.
During mating, align the connector carefully and tighten by hand initially. Use a torque-limiting tool to complete the connection without over-tightening. This prevents thread damage and maintains proper contact pressure.
Check connections routinely in high-vibration conditions. Check for any indications of wear, corrosion or mechanical loosening. In the event of contamination, clean contacts using the suitable solvents. Replace connections that exhibit symptoms of deterioration or have reached or surpassed their authorized mating cycles.
Store unused connections with protective coverings to avoid infection. Keep under regulated humidity for plating quality.
Q:Why is this connection good for high frequency application?
A:The gold plated connections and carefully machined parts prevent signal reflections and losses. 50Ω impedance design is compatible with typical RF systems. The PTFE dielectric material has robust electrical characteristics up to 30 GHz with little signal loss.
Q:How does the operating temperature range help my application?
A:The -65°C to +125°C range covers harsh environmental conditions. Your equipment continues to perform in polar, desert and high altitude situations. This temperature stability assures constant functioning with no signal drift or mechanical failure.
Q:Can this connector be customized for specific project requirements?
A:Yes, SIPU offers customization options for electrical performance parameters, mechanical dimensions, and material specifications. Our engineering team works with you to develop solutions tailored to your unique application requirements.
Q;What is the expected service life?
A:With over 500 mating cycles and proper maintenance, the product provides years of reliable service. The gold plating resists corrosion, extending operational life in harsh environments. Actual longevity depends on operating conditions and maintenance practices.
Q:Is this connector compatible with other cable types?
A:This connector is specifically engineered for RG316 cable to ensure optimal electrical and mechanical performance. Using it with different cable specifications may affect performance and reliability.

Contact SIPU RF Technology at info@sipuconn.com for technical specifications, customization options, or ordering information. Our SSMA Male Connector for RG316 Cable's team provides fast response within 12 hours to support your project requirements.
Contact us directly for customized solutions, quotations and long-term strategic cooperation.