08-05-0302 Connectors, Interconnects

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08-05-0302 Card Edge Connectors – Contacts

A card edge connector is a vital component of any electrical device. In order to transfer electrical signals from one device to another, reliable contact between the two is important. The card edge connector is exactly what it sounds like – it is a connector usually mounted on a printed circuit or embedded board which enables electrical contact between two devices.

Card edge connectors are generally composed of two parts - the body and a set of contacts. The contacts can be either straight or angled, depending on the application and desired connection. The body of the connector is generally made of plastic with metal contacts embedded in it, although there are also some other materials such as silicone that can be used. The contacts are typically made of brass, though other metals such as gold or bronze can also be used. The contacts are very much like pins - each one has a contact pad or hole in the center, which routes the electrical signal from one device to the other. The contacts can be either male or female depending on the application.

Card edge connectors are used in a wide variety of applications, from computer and server motherboards to automotive and consumer electronics devices. They are used to join two devices together securely, enabling the transfer of information and electrical power between the two. This makes them ideal for use in many different types of systems, including computers, telecommunications, power supplies, medical equipment, and home entertainment systems.

The working principle of card edge connectors is relatively simple. The contact pads on either side of the connector allow electrical signals or power to flow between two devices, enabling them to be connected securely and reliably. The contact pads are also surrounded by plastic to ensure that the contact points are kept clean and free from interference, and the contacts are typically spring loaded to provide a good connection and to prevent damage due to over-tightening or loosening.

Card edge connectors are available in a variety of sizes and configurations. They are available with straight or angled contacts, as well as single or double row connectors. The size of the connector will depend on the size of the device to which it will connect, as well as the type of contact being used. Card edge connectors are often used in high-speed applications as they have a higher level of electrical performance than other types of connectors.

In conclusion, card edge connectors are used to securely and reliably connect two electronic devices, allowing for the transfer of electrical signals and power between them. They are available in a variety of sizes and configurations, each with its own set of advantages and disadvantages. By understanding the working principle and application fields of card edge connectors, engineers and technicians are able to choose the most appropriate type of connector to suit their needs.

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