QFSS-078-04.25-H-D-PC4

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The QFSS-078-04.25-H-D-PC4 is a rectangular connector, an array, edge type, mezzanine (board to board) product. It consists of two components- a double-row (consisting of two parallelly arranged rows of four contacts each) edge mounted female connector, and a mating double-row edge mounted male connector. It is a type of connector that is used to join two PCBs (printed circuit boards) together.

This connector provides a reliable connection between the two PCBs at a relatively high transfer speed. It uses a mechanical lock system to ensure that the two components stay together during operation, and the contacts are held in place using a two-piece retaining system. The contacts are made of moulded plastic and usually come in a pitch of 4.25mm. The product has three versions with different tail lengths- a standard, a long and a no tail version, making it suitable for use in a variety of applications.

The connector is widely used in application such as routers, switches, telecommunication equipment, industrial control panel, medical cosmetology equipment, as well as consumer electronics such as home security systems, laptops, displays, and more. It is also used in automotive and aerospace applications.

The QFSS-078-04.25-H-D-PC4 is mainly used in high-speed applications that require high reliability and minimal radiation of EMI (Electromagnetic Interference). This is due to its highly efficient collimator-type panel-to-panel contact configuration, which ensures a low-profile, reliable, and robust connection. Additionally, it also has a compact design with a low insertion loss and excellent EMI shielding performance. This makes it well suited for applications with high density requirements, such as network devices, automotive products, and consumer electronics.

In terms of its working principle, this connector has two independent contacts, one for transmitting data and one for grounding. The two contacts are encased in the connector and held together by a two-piece retaining system. When two boards are connected, the contacts between them are pushed together to form an electrical connection, which is then sealed by the housing. This creates a low impedance connection between the two boards, which allows for a fast and reliable transfer of digital data.

The QFSS-078-04.25-H-D-PC4 is a reliable, cost-effective, and efficient solution for connecting two boards together. Its robust design allows for a reliable connection that is also highly resistant to vibration and shock, while its small size and low insertion loss make it ideal for applications where space is at a premium. Its wide range of applications, from consumer electronics to automotive and aerospace, make it an ideal product for a variety of applications.

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