FCR200JR-73-3K3

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Through Hole Resistors are electrical components widely used in circuit boards for controlling and limiting the flow of electricity. They are composed of metal conductive elements that are combined in various shapes and sizes. The most common type of resistor is the carbon-film resistor, and this type is most often used in consumer electronics. The FCR200JR-73-3K3 is a through hole resistor that has a wide range of applications due to its low cost and reliable performance.

The FCR200JR-73-3K3 is a carbon film through hole resistor and is specifically designed for high-frequency applications. It has a power rating of 0.25W and a temperature coefficient of +15 to -75ppm/K. The resistor also features a High Frequency Resistor (HFR) circuit that provides improved stability at higher frequencies compared to traditional resistors. The HFR circuit consists of a series of interconnected resistors that provide much more accurate resistance and current regulation than other traditional resistors.

The FCR200JR-73-3K3 is most commonly used in communications systems, particularly in applications requiring very stable RF signal conditioning, such as radios, base stations, and other high-frequency electronic systems. The resistor\'s low temperature coefficient and high power rating make it suitable for use in high temperature environments such as automotive and aerospace applications. The HFR circuit also ensures that the resistor can maintain its performance in challenging environments where temperature or other variables can cause resistance changes.

The working principle behind the FCR200JR-73-3K3 is based on Ohm\'s law. The electrical current flowing through the resistor is controlled by the resistance value. The value of the resistor is determined by its physical dimensions and the material used in its construction. The material determines the resistance value, as each material has a different resistivity value. When a voltage is applied to the resistor, the current flowing through it is limited by the resistance. This process is used in many electronic circuits to control the flow of electricity.

In summary, the FCR200JR-73-3K3 is a carbon film through hole resistor designed specifically for high-frequency applications. It has a low temperature coefficient, high power rating, and is suitable for use in extreme environmental conditions. Its working principle is based on the theory of Ohm\'s law, and it is used in a variety of circuits to control the flow of electricity.

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