The SMA (SubMiniature version A) connector is a compact, threaded RF coaxial connector widely used for microwave frequencies. It provides excellent electrical performance up to 18 GHz and features a secure screw-type coupling.
- Threaded coupling ensures a strong, vibration-resistant connection
- Frequency range up to 18 GHz (some precision types go higher)
- Available in 50-ohm impedance standard (most common)
- Compact size ideal for space-constrained applications
- Male connectors have a center pin; female connectors have a receptacle
- Durable materials such as stainless steel or brass with gold or nickel plating
- Suitable for indoor and outdoor use with proper sealing
