4-1747769-1

Series:	Fine Stack (FS)
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Connector Type:	Receptacle, Center Strip Contacts
Number of Positions:	40
Pitch:	0.016" (0.40mm)
Number of Rows:	2
Mounting Type:	Surface Mount
Features:	Solder Retention
Contact Finish:	Gold
Contact Finish Thickness:	3.90µin (0.099µm)
Mated Stacking Heights:	1mm
Height Above Board:	0.037" (0.95mm)

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Introduction

The 4-1747769-1 is an edge type rectangular connector array. It is commonly used in board-to-board applications, such as connecting an ad-hoc mother-daughterboard pair. This article will address the application field of 4-1747769-1 rectangular connectors as well as its working principle.

Applications

The 4-1747769-1 rectangular connector is mainly used for board-to-board connectors in the telecommunications, medical, industrial, and automotive industries. It is commonly used to form a connection between ad-hoc mother-daughterboard pair.In the telecommunications industry, the 4-1747769-1 connector is primarily used for signal integrity applications. This includes the routing of high-speed digital data, such as USB 3.0 signals.The 4-1747769-1 connector is also used in medical applications for its compact size and reliable performance. Small-size medical devices may benefit from the use of 4-1747769-1 because of its ability to handle high-frequency and high-speed digital signals in tight spaces.The 4-1747769-1 connector is also widely used in industrial applications. This includes factory automation, motion control, and process control applications. These areas require precise and reliable connections that are capable of withstanding high power and/or high temperatures.The 4-1747769-1 connector is also suitable for automotive applications. Its ability to handle high-frequency and high-temperature signals allows it to be used in such areas as vehicle computing and telematics systems.

Working Principle

The 4-1747769-1 rectangular connector works on the principle of making connections between two surfaces using an array of metal contacts. This particular edge type connector features four contact pins arranged in a rectangle, with two contacts in each row.The connector features two integral contact fingers that are bent to contact surface-mount pads on the daughterboard. Each contact finger has a pair of spring-loaded contact pins – one in each row. When the daughterboard is inserted into the rectangular connector array, an electrical connection is formed between the contacts on the daughterboard and the contacts in the connector array.The contacts in the rectangular connector array are made from a beryllium copper alloy, which is corrosion-resistant and highly conductive. The contact pins are also gold-plated to ensure an optimal electrical connection.

Conclusion

The 4-1747769-1 rectangular connector is an edge type connector that is commonly used in board-to-board applications. Its application fields include telecommunications, medical, industrial, and automotive. It works on the principle of establishing electrical connections between two surfaces using an array of metal contacts. The contacts are corrosion-resistant and gold-plated for optimal electrical performance.

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