SMA Female Brass 4-hole Flange RF Coaxial Connector for Communication
The SMA series of RF coaxial connectors are highly acclaimed for their compact design and high-frequency performance, operating effectively up to 18GHz. They provide numerous advantages, including a small form factor, wide bandwidth, excellent mechanical and electrical characteristics, and reliable connections. These features have made them one of the most popular types of RF coaxial connectors. They are widely used in industries such as aerospace, marine, and many others.

Specification:
Note:The specific data of the model are based on the data in the product specification sheet.
Electrical Characteristics |
Impedance | 50Ω |
Frequency Range | 0.3ZHz-18GHz |
|
Dielectrics Voltage-resistance | 1000VRMS |
Insulation Resistance | ≥5000MΩ(DC:500V) |
Center Resistance | Center Conductor | ≤3.0mΩ |
Outer Conductor | ≤2.0mΩ |
Material & Mechanical Characteristics |
Fixation of the center contact | ≥26.7 |
Durability | 500times |
|
Cable Retention | Minimum cable retention force |
Temperature | -55°C~+125°C |
Outline Drawing:(mm)

Features:
- High performance: These connectors typically have excellent electrical properties such as low insertion loss, high return loss and good isolation to support high frequency signal transmission.
- Miniaturized design: In order to meet the space and weight constraints of aerospace equipment, aerospace-grade RF coaxial connectors are often miniaturized, such as the SMA series and other small threaded connection coaxial connectors.
- Mechanical Strength: Due to the unique nature of the aerospace environment, these connectors need to have sufficient mechanical strength to withstand the vibration and shock of the launch process.
Application:
- Communication equipment: RF coaxial connectors play a vital role in the communication industry, especially in wireless communication, satellite communication and network infrastructure. Due to their excellent electrical properties, such as low insertion loss and high return loss, RF coaxial connectors ensure stable signal transmission.
- Computer Networks: In data centers and high-performance computing environments, RF coaxial connectors are used for high-speed data transmission and connecting key hardware components to ensure the efficiency and speed of data processing.
- Electronic devices: RF coaxial connectors are widely used in a variety of consumer electronics products, including smart phones, tablets and other portable devices to support high-frequency signal transmission.
Product Cataloge:
1.85 series
2.4 series
2.92 series
SMA series
SMP series
SMPM series
Glass Insulator Products
Coaxial Waveguide Adapter
NOTE:
We have over 10,000 types of SMA Connector, if the connector you are using is not found, please contact us with your details.