131-3404-026

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Coaxial Connectors (RF) are complex devices, comprised of a number of components that must work together to accomplish the desired task. 131-3404-026, also known as SMA, is commonly used in RF applications and is known for its reliability and low cost. It is an industry standard and is widely used across a variety of applications, such as cellular, automotive, and aerospace.

SMA connectors have a few distinct features that differentiate them from other coaxial connectors. For starters, the body of the connector is composed of brass or similar material which provides a very high frequency performance. The outer shell is also usually gold plated which helps with protection against corrosion. Additionally, this connector typically features an air gap insulator which prevents unwanted electrical interference from affecting the connection.

The inner contact on an SMA connector is a pin that runs along the length of the cable. This contact is spring-loaded and when inserted into the mating interface, makes electrical contact with the female end. The inner conductor also has an outer rubber sleeve which provides strain relief to avoid accidental disconnections.

The 131-3404-026 also features an outer contact which acts like a shield to protect against interference and other signals. This contact typically consists of a outer rolled or sleeve which is attached to the connector body. This outer contact also needs to be firmly secured when inserted into the mating interface.

Since SMA connectors are a sort of "standard", it means that they have to be 0.9 inches in length and shared by all of their compatible cables/connector types. This allows these connectors to be used in a variety of different applications where it is important to make sure that the connection is secure and protected against interference.

The application fields of SMA connectors are quite vast and this type of connector has become the industry standard for all RF applications. It is often used for cellular, automotive, and aerospace applications, digital television, Wi-Fi, and other wireless communication systems. It is also commonly used in medical devices, test equipment, and instrumentation.

The working principle of the 131-3404-026 is fairly simple. The connector is inserted into the mating interface at the end of the cable and the inner contact is making the electrical connection. Meanwhile, the outer contact provides the shield and prevents any interference. The outer presence of the shield also protects the inner contact from dust, moisture, vibration, and other environmental threats.

In conclusion, 131-3404-026 (SMA) is one of the most popular and reliable coaxial connectors available for RF applications. Its physical dimensions and working principle make it a great choice for a variety of applications, including cellular, automotive, and aerospace. Thanks to its robust design and reliable performance, the SMA connector remains a popular choice amongst professionals, hobbyists, and industrial users alike.

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