208270-4

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Backplane connectors are used to provide a reliable interconnection between printed circuit boards and systems, allowing the physical and electrical connection of multiple printed circuit boards in the stacked hierarchy. The 208270-4 is a type of backplane connector designed to provide reliable, high-frequency electrical performances. It has a high pin count and contacts can be easily and quickly made and terminated on the mounting board.

The 208270-4 backplane connector is designed with two mating parts, the mother board and the daughter board. The mother part includes a series of mating contacts, while the daughter part includes a series of matching pins. The mother part is usually secured to the mounting board by through-hole and surface mount technology, while the daughter part can be plug-in or snap-in. The two parts of the connector are connected by the contact pins, which can take the electric signals from the mother board to the daughter board. The contact pins of the 208270-4 connectors are designed with a U-shaped slot, which helps to maintain the contact force for reliable electrical performance.

When used in a high frequency application, the 208270-4 backplane connector features a low RF profile, low impedance and low losses, allowing for high speed signals up to 130GHz. The contact design also features a dual beam structure on the sides, which ensures an increased contact force and improved contact retention for reliable electrical performance. Additionally, its latch system ensures high accuracy and reliability related to the mating and insertion forces.

The 208270-4 backplane connector is also designed for high vibration and shock requirements. The contact mating force is applied by a canted coil spring design and it can withstand up to 1500 cycles. It also features a floating post design which compensates for movement between mating pairs. By using high-reliability contact materials such as beryllium copper or phosphor bronze, it can resist corrosion and provide high endurance for long-term use.

The 208270-4 backplane connector is commonly used in applications that require high-performance and reliable electrical connection. It can be used for broadcast systems, high-end network systems, cable communication systems and multiple industrial applications such as base station systems. The connector is also used for military and aerospace applications, providing realiability and high performance even in harsh environments.

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