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Keystone – Inserts

The term keystone inserts generally refers to electronic components that are used in the production of printed circuit boards (PCBs). They are also known as through-hole components, and they serve as anchors in a circuit board, preventing it from being removed or destroyed. Keystones are small metal pieces that have a specific shape and are used to hold components in place, such as resistors, capacitors, transistors, and other electronic components.

The purpose of keystone inserts is to ensure the electrical connections in a printed circuit board are lasting and reliable. These inserts are placed by specialized technicians to secure the required components in the correct position. This helps to ensure that the components will stay in place during the production process, which includes the application of solder paste, reflow of the solder, and the surface mount assembly of the parts.

One of the most popular materials used for the production of keystone inserts is nickel (NKRTMYBL). Nickel has a variety of properties that make it desirable for this purpose, including its high temperature durability, its low electrical conductivity, and its resistance to corrosion. Nickel is also commonly used for plating and soldering, which makes it ideal for high power density applications. Many companies prefer to use nickel keystones over brass or gold-plated components because of its low cost.

In addition to its electrical properties, nickel keystone inserts also offer mechanical advantages over other materials. Specifically, these inserts are much better at resisting fatigue and high-frequency vibrations than other metals. This makes them an ideal choice for applications that require high levels of reliability, such as electronic data processing systems and medical equipment.

There are several different types of nickel keystone inserts available, including standard, through hole, and metric variants. The standard type is typically used for applications that require simple, reliable connections. Through hole inserts, on the other hand, are more suitable for high-density applications, as they are designed to be inserted into and through holes in a printed circuit board. Metric inserts are also available, which are designed specifically for use in metric-sized holes.

The working principle of nickel keystone inserts is relatively simple. When a metal insert is placed into a PCB, it creates a connection between two separate conductors. This connection allows electricity to flow from one point to another, providing stability and reliability that could not be achieved with loose connections.

In conclusion, keystone inserts are essential components for printed circuit board fabrication. They provide the necessary stability and reliability to ensure that components remain in place over the course of the production process. Nickel keystone inserts offer several advantages, including high temperature durability, low cost, and resistance to fatigue and high-frequency vibration. This makes them ideal for applications that require high levels of performance and reliability, such as electronic data processing or medical equipment.

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