74221-291

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The 74221-291 is a type of mezzanine connector array or edge type connector array that is designed to be used on a printed circuit board. It is typically employed for making connections between PCBs and can be used with either through-hole or surface mount components. The 74221-291 connector array has two rows of contacts arranged in a rectangular array with up to five different pins per row. The pins are arranged in a staggered pattern and can be either horizontal or vertical. Each pin is flanged to make it easier to insert into a PCB.

The contacts are constructed from a high-grade copper alloy and are plated with a very thin layer of gold to provide superior electrical conductivity and high temperatures resistance. The contacts have a predetermined mating thickness which allows them to be easily inserted into and removed from printed circuit assemblies. This type of connector array also has a low profile design, which allows it to be used in slim-profile applications such as handheld electronic devices.

The 74221-291 provides a secure connection to a printed circuit board. The connector array has an engaging latching mechanism which ensures a secure connection between its two mating halves. This type of connector array offers enough mating strength to withstand strong vibration and shock, which make it suitable for use in harsh environments. The array can also be mounted using standard headers and tail end terminals that are compatible with various industry standard mounting methods.

The working principle of the 74221-291 connector array is based on electrical contact between its metal contacts and the pins located on the printed circuit board. The contact is made when the rectangular array is pressed down onto the board and the connection is established. The metal contacts are designed to deliver an electrical current which is passed through the pins of the array and then to the board itself. The current is also transmitted through the pins connecting the two halves of the array and is used to either power or control the components connected to the board.

The 74221-291 connector array is a durable and reliable solution for connecting multiple PCBs together. It is an ideal choice for applications that require high performance and reliability. Its high durability makes it suitable for use in a variety of environments, while its slim design and low profile design make it a good choice for use with slim-profile applications. Additionally, its latching mechanism ensures a firm connection is maintained between its two mating halves, providing a reliable and secure connection for long lasting use.

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