Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Accessory Type:	Polarizing Key
For Use With/Related Products:	--
Features:	--
Material:	Nylon
Color:	--

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Introduction

Card edge connectors belong to the broad category of electrical connectors, which are essential for connecting electrical devices with other electrical components. Typically, card edge connectors are accessories used to connect printed circuit boards together and to other components, such as data storage boxes and power supplies. The 645089-1 card edge connector is a popular choice for applications requiring high-performance connection and data transfer. This article will provide an overview of the 645089-1 card edge connector, including its field of application and working principle.

Components and Classification

The 645089-1 card edge connector is a two-piece connector that consists of an upper and lower contacts. The upper contact consists of two finger springs that are connected at the top, and the lower contact has two isostatic, cantilevered beams that extend downward from the contact. The lower contact also has an optional flexible sheet that helps protect the contact from dust and other contaminants.The 645089-1 card edge connector can be classified according to the number of contacts. It typically has 100 or 200 contacts, but can also be configured with up to 500 contacts. The connectors typically have a pitch of 0.2, 0.3, 0.4, 0.5, or 1.0 millimeters, which specifies the distance between contacts.

Applications

The 645089-1 card edge connector is suitable for connecting printed circuit boards and other components. It is particularly suitable for applications requiring high-performance connection and data transfer, such as those found in telecommunications, aerospace, and medical industries. In the aerospace industry, the card edge connector is used for connection to the tail fin of the aircraft. In the medical industry, the connector is used for connection to medical devices, such as pacemakers.The 645089-1 card edge connector is also commonly used in consumer electronics and computer peripherals. The connector is used to connect digital cameras, printers, scanners, USB hubs, and other peripheral devices.

Working Principle

When the upper and lower contacts of the 645089-1 card edge connector are connected, the upper contact’s finger springs hold the lower contact’s isostatic, cantilever beams in place. This creates a strong connection that is not only reliable, but also capable of providing high-performance data transfer.When the connector is disconnected, the finger springs of the upper contact move away from the lower contact’s isostatic beams, allowing them to move freely and easily. This ensures that the connection is easy to disconnect and also prevents any damage to the connection.

Conclusion

In conclusion, the 645089-1 card edge connector is a popular choice for applications requiring high-performance connection and data transfer. It is suitable for a range of applications, including aerospace, medical, and consumer electronics. The connector is composed of two pieces – an upper contact consisting of finger springs and a lower contact with isostatic, cantilever beams. When the upper and lower contacts are connected, they form a strong connection that is capable of transmitting high-performance signals.

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