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Rectangular Connectors – Headers, Receptacles, Female Sockets

Rectangular connectors are components used to join two or more circuits or devices together. They are also referred to as header connectors, receptacles, or female sockets. Each rectangular connector is available in various standard configurations, including number of pins, pitch, and body size. Commonly used for electrical connections between circuit boards, power supplies, boards, and more, they are available in a variety of materials, shapes, sizes, pin and socket stagger, and uses.

The primary application of rectangular connectors is in the interconnection and communication between multiple electronic devices. Typically, each device requires a connection out of the rectangular connector. This is referred to as a “source” connection. Signals coming out of the source connector are used to control, power, or communicate with the device.

The second use of the rectangular connector is to provide an interface between electronic components and PCBs. This is referred to as a “load” connection. The load segment of the connector will typically contain the length of the PCBs that will be used to connect the multiple devices. In most instances, the two ends of the connector will have different sizes, allowing for the connection of up to four different sizes of PCBs. This allows the user to connect different circuits, components, or devices in a single circuitry.

The material of the rectangular connector depends on its application. Low-cost plastic connectors are typically used for low-performance environments, while higher-grade metal connectors are used for more demanding applications. The choice of material can also be influenced by the environmental conditions in which the connector will be used – such as temperature, vibration, pressure, and corrosion resistance.

The internal design of a rectangular connector is typically a standard one. This minimizes the size and complexity of the internal components and helps to simplify the installation process. The most common design is known as a “3 in 1” connector. This connector comprises an inner housing, which contains a small amount of solder or pins, and an outer shell, which contains a larger number of pins and sockets. These components are connected together using the same type of electrical connection, such as the classic 2.54mm ”thumb-nut” connector – a cheap and reliable type of connection.

The rectangular connector is designed in such a way that it can fit into tight spaces. Generally, the contact points between the two components must meet the exact size and shape of the connector, which is why a tight fit must be ensured.

The connectors also feature a dual contact points system. This ensures that connections are made accurately and that there is no danger of over-connections or of damaging the components. This dual contact system also helps reduce installation time, as no additional wiring is required for each connection.

Rectangular connectors come in various sizes and specifications. Generally, the smallest size connectors are suitable for connecting two or three devices, while the larger sizes could be used for connecting up to eight devices or for connecting to multiple PCBs. Typically, these connectors are available in a range of pitches, ranging from 0.1mm to 1.5mm.

The working principle of a rectangular connector is also relatively simple. When two end connectors meet, electrical signals are passed from one end to the other. This allows the circuit to be completed and the connection to be made.

In conclusion, rectangular connectors are widely used for connecting two or more electronic components, as well as for connecting multiple components to a PCB. They are available in a variety of materials, shapes, sizes, and pin and socket stagger designs. They feature a dual contact points system, a simple installation process, and the ability to fit into tight spaces. As such, they make an effective and reliable way of connecting multiple components.

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