RC55Y-3K32BI

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Through Hole Resistors are one of the oldest forms of electronics, being made for over a century. They are also one of the most ubiquitous types of resistor, used in a myriad of electronics applications. The RC55Y-3K32BI is one example of a standard through hole resistor. It is classically composed of a ceramic body, metal substrate, and two end caps.

The RC55Y-3K32BI\'s application field is broad; they can be used wherever a resistive electrical component is needed. Examples include resistive dividers, current limiting, protection circuits, timer circuits, and ESD protection circuits, among others. In addition to the classical applications, RC55Y-3K32BIs have seen a much broader range of applications in the modern world, such as in telecommunication line protection and power semiconductor motor drives.

The working principle of through hole resistors is relatively simple. The two main features of a through hole resistor are its resistance and its tolerance. Resistance is the measure of the opposition to current flow, expressed in Ohms, while tolerance is the acceptable percentage that the resistor can deviate from its intended resistance.

The RC55Y-3K32BI is designed to have a resistance of 3K Ohms with an operating tolerance of 5%. This means that the actual resistance of the part will sit in a range of 2.85K Ohms to 3.15K Ohms. The resistance of the part is achieved by depositing a resistive carbon-based layer on the ceramic body. A thin layer of metal is then deposited on the carbon layer. When an electric current is sourced through the device, the carbon layer experiences a temperature rise. The combination of the temperature rise and the electrical current increases the resistance of the carbon composite layer, thus limiting the current flow through the part.

Aside from the standard resistor body, the RC55Y-3K32BI also features two cap connections that allow it to be interconnected with other components, such as switches or other components in a circuit. The cap connections are made from high-conductive metals, like aluminum or copper, which allows the resistor to be fastened with other electrical components.

The RC55Y-3K32BI is an ideal resistor for a range of different applications. It is relatively simple to use, with a straightforward operating principle and a robust design. These resistors are also relatively inexpensive, making them attractive from a cost perspective. In sum, the RC55Y-3K32BI is a reliable, robust, and cost-effective through-hole resistor that can be used for a variety of different applications.

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