89891-439H

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Rectangular Connectors - Headers, Receptacles, Female Sockets, come in a variety of shapes and sizes, for all kinds of applications. 89891-439H is an example of a female socket connector, also referred to as a receptacle. It is a popular choice due to its wide range of applications and simple construction.

Description

The 89891-439H female socket is a two-row board-to-board connector that connects two PCBs together. Each connector has two sets of contacts, a set of eight gold-plated on the board side and a set of four gold-plated on the cable side. The board-side contacts are 2 mm in row spacing and the cable side contacts are 2.54 mm in pitch.

Application Field

The 89891-439H is ideal for a variety of applications from military, aerospace, medical, automotive, and industrial automation. It is designed for use in inside-the-box or panel-mounted applications where blind mating is required. The 89891-439H can be used to connect two PCBs together or a PCB to a cable assembly for signal, power, and data transfer.

Specifications

• Contact Insertion Force (max): 0.8 N
• Dielectric Strength (min): 1000V
• Insulator Resistance (min): 1000 MOhm
• Temperature Range: -55C to +105C
• Current Rating (max): 2A
• Voltage Rating (max): 220V

Working Principle

The 89891-439H female socket connector is a two-row board-to-board connection system. It has two rows of contacts—eight gold-plated contacts on the board side and four gold-plated contacts on the cable side. These contacts allow for a well-integrated connection of the two components. The board-side contacts are 2 mm in row spacing and the cable side contacts are 2.54 mm in pitch. After the two boards have been fitted together, the contacts are soldered, ensuring a reliable, secure connection.

Once the connection is established, the current is passed through the connector from the source body board to the target body board. The current is electrically conducted through the contacts from the source to the target, making the connection reliable and stable. This ensures a robust connection that is resistant to shock and vibration.

The 89891-439H is designed with two additional features that also help secure the connection. The first is a polarized design, which prevents misalignment and reversal of plugs. The second is a positive latching system, which prevents the accidental disconnection of the two components.

Conclusion

The 89891-439H is a versatile female socket connector designed for a wide range of board-to-board connections. It is easy to use with two rows of contacts for reliable and secure connection. It features a polarized design and a positive latching system for added security, making it a popular choice for many applications. With a wide range of application fields, it is a great choice for your next board connection.

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