Female SMA Coaxial Connectors

Female SMA coaxial connectors are designed to operate effectively in high-frequency ranges, often up to 18 GHz, making them suitable for demanding applications such as wireless communication, radar systems, and test equipment. The precision threading and low-loss materials ensure minimal signal degradation and reduced reflections, which are essential in high-frequency systems where even slight signal losses can lead to performance issues. The inherent design of these connectors helps preserve the integrity of the signal, ensuring that the quality of data transmission remains high, especially in environments where signal fidelity is crucial. 

Material Options

Brass, Stainless Steel, Nickel Plating, Gold Plating

Cable Diameter Range

0.140 in (3.56 mm) to 0.250 in (6.35 mm)

Temperature Range

-65°C to +165°C

Load Capacity

100 N (22.5 lbs)

Vibration Resistance

MIL-STD-202, Method 204 (20 G peak, 10-2000 Hz)

Product Description

These connectors are built to handle challenging environments, offering mechanical durability that ensures long-term reliability in applications exposed to vibrations, extreme temperatures, and corrosive environments. The robust construction, typically made from brass with gold or nickel plating, resists corrosion and maintains excellent electrical conductivity even under harsh conditions. This reliability is crucial in aerospace, military, and industrial sectors, where connector failure could lead to costly downtime or system failures. 

Corrosion Resistance

Salt Spray Tested (500+ hours)

EMI Shielding

Excellent shielding with up to 95% efficiency

Mounting Options

Panel Mount, Bulkhead Mount, PCB Mount

Compliance Standards

RoHS, REACH, MIL-STD-348, ISO 9001

Custom Features

Custom plating options, specific cable strain relief

UV Resistance

UV-resistant materials for outdoor use

Fire Resistance Rating

UL94 V-0 (flame-retardant plastic materials used)

Chemical Resistance

Resistant to common industrial chemicals, solvents

Thermal Expansion Tolerance

Low expansion rates, 0.000025 in/in/°C

Dynamic Load Testing

Passed dynamic testing under 10 million cycles at max load

Precision Tolerances

±0.002 in (±0.05 mm) for center contact and threading

Technical Advantages

The Female SMA connector’s threaded coupling mechanism ensures a secure and stable connection that minimizes the risk of mechanical loosening during operation. This feature is particularly critical in systems requiring a reliable connection over extended periods, such as satellite communication systems, medical devices, and military equipment. The connector’s precision fit provides repeatable and consistent performance, ensuring that the integrity of the system is maintained throughout its service life. 

Due to their standardized design, female SMA connectors are compatible with various RF components, including cables, adapters, and antennas. The connector’s geometry is optimized for low VSWR (Voltage Standing Wave Ratio) and high return loss, which is critical in maintaining the quality of the RF signal across multiple interfaces. This compatibility ensures seamless integration into a broad spectrum of RF systems, from laboratory testing setups to high-precision communication systems. 

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Industry Applications

RF Communications

Used in signal transmission for high-frequency communication systems requiring minimal signal degradation and precise impedance matching. 

Microwave Systems

Essential for interconnecting components in high-power microwave devices, ensuring low-loss, stable signal integrity. 

Satellite Communication

Enables stable connections in satellite ground stations and spacecraft for high-frequency signal transmission with minimal loss. 

Photonics

Supports high-frequency signal transfer in optical and photonic devices, ensuring precise data integrity for optical systems. 

Security and Surveillance

Provides reliable, low-loss signal connections for RF-based security systems, including radar and communication networks. 

Automated Test Equipment (ATE)

Ensures accurate RF signal transmission and measurement for automated testing of components and systems. 

Thermal Stability and Performance Over Temperature

Thermal performance is another important consideration in high-frequency applications. Female SMA coaxial connectors are engineered to perform reliably across a broad temperature range, from -65°C to +165°C or higher, depending on the specific materials used. The materials and design minimize thermal expansion effects, ensuring the connector maintains consistent electrical performance despite temperature fluctuations. 

Female SMA coaxial connectors offer high mechanical and electrical performance despite their compact size. The small form factor makes them ideal for use in space-constrained applications, such as handheld devices, mobile systems, and aerospace components. 

female SMA coxial connectors

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure precise signal integrity in its Female SMA coaxial connectors for high-frequency applications?

Frigate uses high-quality brass or stainless steel with precision machining to ensure tight tolerances, reducing signal loss and reflections. Our Female SMA coaxial connectors are designed to maintain excellent signal integrity even at frequencies up to 18 GHz. 

What is the temperature range for Frigate’s Female SMA coaxial connectors, and how does it affect performance in extreme environments?

Frigate’s Female SMA coaxial connectors are engineered to operate within a temperature range of -65°C to +165°C, ensuring reliable performance in low- and high-temperature environments. This makes them ideal for aerospace, defense, and industrial applications. 

How does Frigate’s choice of plating materials in Female SMA coaxial connectors contribute to their durability and performance?

Frigate uses gold or nickel plating for its Female SMA coaxial connectors, ensuring superior corrosion resistance and consistent electrical conductivity. These plating materials help the connectors withstand harsh environmental conditions, maintain performance, and reduce maintenance needs. 

What is the impact of Frigate’s Female SMA coaxial connectors on minimizing signal reflections in critical RF systems?

Frigate’s Female SMA coaxial connectors feature a precise 50-ohm impedance, minimizing signal reflections and ensuring optimal power transfer in RF systems. This is critical for maintaining high-quality signal transmission in applications like communications, radar, and medical devices. 

How does Frigate optimize the mechanical design of its Female SMA coaxial connectors for secure, long-lasting connections?

Frigate’s Female SMA coxial connectors feature a robust threaded coupling mechanism, ensuring a secure and stable connection even in high-vibration environments. The precise mechanical design prevents loosening and guarantees consistent electrical performance, even under stress. 

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LOCATIONS

Global Sales Office

818, Preakness lane, Coppell, Texas, USA – 75019

Registered Office

23, 6th West Street, Balaji Nagar, Kattur,  Pappakuruchi, Tiruchirappalli-620019, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

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Female SMA Coaxial Connectors

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