55741-001LF

Series:	GIG-Array®, MezzSelect™
Packaging:	Tray
Part Status:	Active
Connector Type:	Differential Pair Array, Female
Number of Positions:	200 Signal (100 Pair)
Pitch:	0.051" (1.30mm)
Number of Rows:	18
Mounting Type:	Surface Mount
Features:	--
Contact Finish:	Gold or Gold, GXT™
Contact Finish Thickness:	30.0µin (0.76µm)
Mated Stacking Heights:	25mm, 27mm, 28mm, 30mm, 35mm, 40mm
Height Above Board:	0.813" (20.64mm)

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The 55741-001LF (hereinafter referred to as the 55741) is one of many types of rectangular connectors, more specifically an array edge type mezzanine connector for board to board connections. This type of connector is commonly seen in a range of devices, from personal computers to industrial controls due to its ability to provide a relatively low-profile while also enabling a secure connection between two boards. In this article, we will take a closer look at the 55741\'s application field and working principle. We will explore how the 55741 is used, its features, and the general operational principles behind it. The 55741 connector is most often used in computers, printers, scanners, and other computing and peripheral devices. It is a reliable way to connect boards due to its small size and high contact density. Additionally, the connector has a low insertion/extraction force and a positive-locking engagement feature, making it ideal for providing a secure and dependable connection. The use of a 55741 connector requires two mating parts: one male (which is typically the main board) and one female (which is typically the peripheral baseboard or daughterboard). The male side features a single row of contacts and the female side features two rows of pins or sockets. The 55741\'s contacts are arranged in a row, extending from one side of the board to the other. This allows a single continuous line of contact to be established at both ends of the device for more reliable connectivity. The working principle behind the 55741 is as follows: A male board is inserted in between the two female boards, and the 55741\'s contact pins line up with the female board\'s holes and conductive slots. As the boards are inserted, a latching spring or plastic latch holds them firmly in place, ensuring that the connection remains secure. The 55741 connector is further enhanced with a variety of features such as an anti-reverse mating feature, which prevents the connector from being reversed when inserted or removed, a shrouded design that helps maintain contact integrity even in high shock and vibration environments, and a keying feature to ensure the boards are connected in the correct orientation.In conclusion, the 55741 is a reliable, low-profile connector that is capable of efficiently connecting two boards securely. It is widely used in computers, printers, scanners, and other computing and peripheral devices. It is particularly advantageous due to its anti-reverse mating feature, its shrouded design, and its keying feature, all of which contribute to a dependable connection.

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