205544-2

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205544-2 Application Field and Working Principle

The 205544-2 connector is a type of backplane connector, commonly known as a midplane board-to-board connector system. It is designed for use in high-density electronic systems, usually in data, storage or telecommunications applications where it may be required to provide more than one connection point. The 205544-2 connector is used to connect midplane boards in a thin-film, high density insulated sheath that can hold a wide range of application components. It is also used to connect wire-to-wire and wire-to-board connections without compromising board-to-board contact or electrical insulation.

The 205544-2 connector is a high-density midplane board-to-board connector system, featuring hybrid terminations, single and double-ended MSD contacts with gold plating, and a high-performance, durable insulation material. This unique connector system provides a reliable and secure connection between midplane boards in the presence of high-speed, high-current applications, heat transfer, and other environmental conditions. It is designed to provide high-performance connections with little to no resistance at the contact points.

The 205544-2 connector is primarily used for midplane board-to-board connections. It is ideal for data, storage, and telecommunications applications due to its high contact point density and thin-film insulation sheath. The insulation sheath features a unique vibration resistance that further increases the contact points’ longevity. The insulation sheath also features a self-lubricating property that helps to reduce friction between contacts, allowing for better contact performance and less noise as data is transferred through the connector. Furthermore, the 205544-2 connector is corrosion resistant, making it ideal for use in high-humidity environments.

The 205544-2 connector works through a series of electrical contacts that are connected to two backplane boards. These electrical contacts are typically formed in a pattern known as a “Z-contact”, which features two parallel rows of "contacts". The contact points are separated by a thin film, and a spring-loaded device maintains contact between the two sets of contacts. A protective coating is applied to the contacts to ensure durability and a proper, low-resistance connection between the contacts. When plugged in, the electrical connections form a loop, allowing data to be transferred through the connector.

The 205544-2 connector is designed for long-term use in high-speed applications, making it a popular choice for many high-density electronic systems. The connector’s hybrid termination provides easy tracability, pogo-pin based board connections, and secure crimp connections. The gold-plated MSD contacts are designed to ensure a high-performance connection with little to no resistance. Additionally, the thin-film insulation sheath helps to protect the connector in situations where heat transfer, shock, vibration, or impulse voltage may be present. The 205544-2 connector is highly reliable, providing a secure connection that can withstand the toughest environmental conditions.

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