CF453215-4R7K

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Fixed Inductors

Fixed inductors (also known as coils, stays, chokes, or reactors) are passive components that are used to create inductance. Fixed inductors are designed to have a specified inductance value and rating. Fixed inductors are used in a variety of applications, including power supplies, RF filters, oscillators, impedance matching, and signal mixing.

CF453215-4R7K

The CF453215-4R7K is a fixed inductor that is specifically designed for use in consumer electronics. This device provides a high level of performance, with an inductance of 4.7µH rated for up to 15.0A at 100kHz for the purposes of filtering, matching, and signal conditioning. This device is also ideal for use in DC-DC converter design and power management.

Application Field

The CF453215-4R7K is suitable for use in a wide range of consumer electronic applications, such as mobile phones, digital audio players, navigation systems, in-vehicle entertainment systems, and automatic meter readers. It also finds application in a variety of other consumer electronics, such as CPUs, digital TV and satellite receivers, and home appliance modules.

Working Principle

The CF453215-4R7K is a fixed-value inductor. It is designed to pass current in a single direction, and to create a magnetic field within the device itself. The magnetic field induces an electromotive force in the opposing coil, the magnitude of which depends on the current passing through the inductor. The magnetic field generated by the inductor also affects the electronic components connected to the inductor, changing their behaviour, and allowing for the inductor to be used in a variety of applications.

In power supply applications, the inductor is used to store energy in the form of a magnetic field when power is applied, and to release that energy when the power supply load is increased. In oscillators, the inductor is used to create a resonant circuit that is tuned to a particular frequency. In audio applications, the inductor can be used as a low-pass filter to limit the frequency range of an audio signal. In RF circuits, inductors are used to create a frequency-selective filter.

Fixed inductors are also used with resistors and capacitors to create impedance matching circuits that allow for power signals to be efficiently transferred to a load. The CF453215-4R7K is capable of handling high power levels as well as high-frequency signals, making it suitable for use in many different types of power electronics applications.

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