OF154KE

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Through Hole Resistors are passive components that can be used to limit and control the current that flows through an electronic circuit. They are one of the most commonly used components in the world and have been used for decades. One of the most versatile and widely used through hole resistors is the OF154KE. In this article, we will discuss the application field and working principle of the OF154KE through hole resistor.

The OF154KE is a high-power through hole resistor that is used for dissipating high thermal power in various applications such as high-reliability switching power supplies, power converters, automotive electronics, invertors, lighting fixtures, and many more. It has a wattage rating of up to 150W, so it can be used for a wide range of applications. It is also temperature-stable, meaning it can withstand temperatures ranging from -55°C to +125°C without any noticeable change in performance.

The OF154KE is constructed from wire-wound resistive elements housed in an anodized aluminum case. The terminals are hollow tin-plated steel, and meant for either rosin flux or dip-solder process.

The working principle of the OF154KE can be explained as follows. When the current passes through the resistive element of the OF154KE, it produces heat which is then dissipated by the aluminum case. The heat generated is proportional to the current passing through the resistor, so the power dissipation of the resistor will increase with an increase in current. The resistor also acts as a voltage divider, allowing the voltage drop across the resistor to be adjusted with the turn of a dial. The resistive element is also very stable, meaning it will maintain its value even with temperature changes, making the OF154KE an ideal choice for applications requiring a high power rating.

In conclusion, the OF154KE through hole resistor is a versatile and widely used resistor that can be used in a variety of applications. It has a high wattage rating and is highly temperature-stable, making it suitable for high-reliability applications. Its construction is relatively simple, and its working principle is straightforward and easy to understand. Its durability and stability make it ideal for a wide range of applications.

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