0465564745 Connectors, Interconnects

Series:	SEARAY 46556
Packaging:	Tape & Reel (TR)
Part Status:	Active
Connector Type:	High Density Array, Male
Number of Positions:	160
Pitch:	0.050" (1.27mm)
Number of Rows:	4
Mounting Type:	Surface Mount
Features:	Board Guide
Contact Finish:	Gold
Contact Finish Thickness:	30.0µin (0.76µm)
Mated Stacking Heights:	12mm, 13mm, 13.5mm, 14.5mm, 15mm
Height Above Board:	0.421" (10.70mm)

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Introduction to Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board)

Rectangular connectors consist of two or more contact and retention elements, a plastic housing, and a combination of mechanical parts. Rectangular connectors are used in a wide range of applications, including military/aerospace, medical, data networking, computer engineering, and industrial equipment. They are often required when mechanical or electrical performance, reliability, and/or space savings are important considerations.Rectangular connectors consist of various types, including arrays, edge type, mezzanine (board-to-board). We will discuss the technology behind these three types, the applications they are best suited for, and their working principles.

Array Connectors

Array connectors provide an alternative for high density, blind mating applications where low profile connectors and small package sizes are desired. These connectors are designed to provide a versatile connection to both printed circuit boards (PCBs) and backplanes. Depending on the array configuration, they may use either flat or right angle contact configurations.Array connectors are typically made using a single piece or multiple pieces of metal, such as copper or brass. The contact elements are designed for low insertion and removal forces, as well as optimized insertion and extraction forces. These features enable a greater degree of mechanization in automated assembly processes.Array connectors are commonly used in applications where space, weight, and cost efficiency are key factors. Examples include audio systems, interoffice communications, and medical equipment. Array connectors can also offer environmental protection and improved PCB routing.

Edge Type Connectors

Edge type connectors are designed to provide a highly reliable, cost-effective solution for backplane PCB connections. Edge type connectors are generally rectangular in shape and their external dimensions are designed to match those of the rectangular opening in the PCB. This ensures that the PCB will fit into the connector.Edge type connectors are made in a variety of configurations depending on the mates, plating, and mounting method, and can be designed for PC plated throughextras, surface mount, or vertical board mount. The contacts are arranged in rows and are spaced in such a way to ensure reliable connections.Edge type connectors are commonly used in applications where space is limited and cost efficiency is desired. They are commonly used in medical equipment, military and aerospace applications, as well as various telecommunications and computing applications.

Mezzanine (Board to Board)

Mezzanine connectors are board-to-board connectors that provide high density and small package size connections between PCBs. These connectors are also referred to as “two piece” connectors, as the size and shape of the connectors fit the size and shape of the board openings. Mezzanine connectors are made with either flat or right angle contact configurations.Mezzanine connectors are designed for rugged use applications, as they are highly reliable and offer improved system performance. The contacts are arranged in rows and are typically designed to be visible when the connector is mated. This makes it easier to identify the specific contacts being used.Mezzanine connectors are typically used in applications where mechanical and electrical performance are important factors. Examples include medical instrumentation, datacom, and computer/server equipment.

Conclusion

Rectangular connectors are highly versatile components that are used in a wide variety of applications. They offer design flexibility and act as reliable, efficient interfacing devices for connecting circuits and systems. Array, edge type, and mezzanine connectors are the three most common types of connectors used today. Each type is designed with specific applications in mind and offers its own set of features and benefits.

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