CDRH4D22HPNP-4R7NC

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Fixed inductors are electronic components that store energy through a magnetic field created by an electrical current functioning as inductors. The fixed inductor has no adjustable property, it is a component that has been pre-formed and will not change its characteristic properties. Fixed inductors are used in filter and network configurations, detecting signals, frequency selection and more.The CDRH4D22HPNP-4R7NC is a fixed inductor specifically designed to filter noise, RF interference, reduce signal noise and provide inductive energy storage. This part has an impedance of 4.7 Ohms, inductance of 220mH, and a current rating of 0.4A. It can handle frequencies up to 10MHz, making it suitable for a variety of applications.This type of inductor is most commonly used in high-frequency circuits and switching power supplies. It is used to store energy and reduce noise. By adding this inductor to a circuit, it can reduce peak currents by providing a path for current to flow around the main current path of the circuit. This slows the rate of change in the voltage across the inductor, reducing noise, counteracting unwanted harmonics, and providing a higher quality power supply. Additionally, this type of inductor is used to filter noise and RF interference in sensitive circuits. It can be used to reduce high-frequency noise due to switching, or RF interference from external sources. In this way, it acts as a shield against unwanted noise, creating a cleaner signal.This type of inductor is also used to detect signals by creating a resonance. By connecting this inductor in parallel with a capacitor, it forms a tuned resonant circuit. When a signal reaching its resonance frequency is applied, the amplitude of the signal will grow in response to the resonant frequency. As the resonant frequency changes, so will the amplitude of the signal.Finally, this inductor can also be used in frequency selection circuits. By connecting this inductor in series with a capacitor it forms a simple band-pass filter. This filter lets through signals at a particular frequency while blocking out signals at other frequencies. By using a combination of components, this filter can be tuned to select frequencies in an audio or radio band.In conclusion, the CDRH4D22HPNP-4R7NC is a fixed inductor that is most commonly used in high-frequency circuits and switching power supplies. Its impedance of 4.7 Ohms, inductance of 220mH, and current rating of 0.4A make it suitable for a variety of applications, such as noise and RF interference filtering, signal detection, and frequency selection.

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