0819R-38J

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Fixed inductors are components that store electrical energy when an electric current passes through them. Examples of fixed inductors include coils, transformers, chokes, and solenoids. The 0819R-38J is a fixed inductor specifically designed for use in high frequency applications such as RF amplifiers and oscillators.

The 0819R-38J has a toroidal core made of ferrite material with a ferrite cost as low as 0.17A. It is designed for relatively small signal levels but can handle high voltages up to 8kV. The inductance is adjustable by changing the number of turns on the toroid, allowing it to be used in a variety of applications and configurations. It has a self-resonant frequency of 10MHz and an impedance of 20 ohms.

The main application of the 0819R-38J is as a power inductor for switching power supplies and other power electronics applications. It also finds use in high-frequency RF applications such as amplifiers and oscillators. In these applications, the inductor acts as a choke, suppressing high-frequency noise and providing the necessary inductance for the circuit. The adjustable inductance makes it a versatile component for use in high frequency applications.

The working principle of the 0819R-38J is simple and follows the principles of electromagnetic induction. When a changing current passes through the toroid, a magnetic field is created, which in turn induces a voltage across the inductor. The voltage is proportional to the rate of change of the current, which is known as the inductance. The 0819R-38J can be used in either an AC or DC application, and its adjustable inductance makes it suitable for a wide range of applications.

In conclusion, the 0819R-38J is a fixed inductor specifically designed for high frequency applications. It has an adjustable inductance and a ferrite core, making it an ideal component for use in RF amplifiers, oscillators, and power electronics applications. Its working principle of electromagnetic induction allows it to store electrical energy and provide the necessary inductance in these applications.

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