PT500-1450HM

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Introduction

Fixed inductors, such as the PT500-1450HM, are components used for the energy storage, impedance matching, signal filtering, frequency conversion, etc. in the electrical and electronic equipment. This paper will analyze its application filed and working principle in detail.

Application Field

• Energy Storage: Fixed inductors store energy in the form of a magnetic field, which can be used to provide energy, supplement, or reserve energy. Large-value fixed inductors are usually used for energy storage.
• Impedance Matching: Fixed inductors can be used as matching components, to match the complex impedance of the circuit and reduce the reflection.
• Signal Filtering: An LC filter is composed of an inductor and a capacitor. In the filter circuit, the inductor has the function of allowing the AC signal within the work frequency band to pass. Fixed inductors play this role in the filter circuit.
• Frequency Conversion: Fixed inductors can be used in the feedback circuit of oscillator circuits to provide the necessary energy for the maintenance of the oscillation and perform frequency conversion.

Working Principle

Fixed inductors are mainly composed of enameled copper wire and iron core. When there is current going through the coil, a magnetic field is generated around it, and when the current changes, this magnetic field also changes. The self-inductance of the fixed coil is a form of electromagnetic induction. When the current changes, the electric field is generated, thus generating a voltage in the coil itself, thus achieving the purpose of storing energy.

Conclusioin

In conclusion, the PT500-1450HM fixed inductor is suitable for energy storage, impedance matching, signal filtering and frequency conversion. Its working principle is to generate a magnetic field when current is going through, thus storing energy.

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