QFS-026-04.25-H-D-A

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A QFS-026-04.25-H-D-A, commonly referred to as an array rectangular connector, is an electrical connector designed to interconnect two printed circuit boards or a device to a printed circuit board. This type of connector is ideally suited for a wide variety of applications including backplane, mezzanine, motherboards, and computer systems.

QFS connectors are typically made from a die-cast metal frame decorated with a series of fingers known as ‘terminals’. The terminals are arranged in an array format, hence the name ‘array rectangular connector’. In order to ensure a secure connection, the terminals require some form of mating to the printed circuit board or the mating device. The most common mating interface is through solder, although plug and play backplane connectors may also use a press-fit mechanism.

The array rectangular connector is designed to ensure the highest levels of reliability with minimal size and cost. Its integrated design allows for high current flow and component miniaturization. The array connector’s low profile design minimizes the amount of PCB real estate needed while allowing for flexible board-to-board placement for different types of motherboard configurations.

The QFS-026-04.25-H-D-A connector is a 2-row connector made of stainless steel that has a contact pitch of 0.042" (1.07 mm). This connector features a contact line retention mechanism that maintains a secure connection to the mating device. This connector also features a polarizing tab that ensures proper connection and mating of the two boards. Furthermore, the connector is designed with a series of screw holes that facilitate the attachment of the connector to the mating device.

The working principle of the array rectangular connector is relatively simple. The connector is designed in such a way that when it is attached to both the printed circuit board and the mating device, the terminals that are located within the array form a connection with the mating side. This connection is often facilitated by the use of solder or through a press-fit mechanism. When the terminals are correctly connected they allow for a secure and reliable connection between the two boards or devices.

The QFS-026-04.25-H-D-A connector is a popular choice for a wide range of applications such as backplanes, motherboards, mezzanine boards, networking, and computer systems. This connector is designed to meet the highest requirements of reliability, miniaturization, and cost efficiency. The integrated design of this connector enables high current flow and verifiably secure connections while maintaining its low profile design.

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