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Fixed Inductors

An inductor, also called a coil, choke, or reactor, is an electrical component that can store energy in the form of a magnetic field. It is not an active component, like a transistor or amplifier, and does not dissipate energy itself. It is simply a device that shakes, twists, or otherwise moves a conducting material, typically copper wire, to generate a magnetic field. The inductor\'s main purpose in a circuit is to oppose changes in electrical current caused by variations in voltage.

The PD73R-333K is a fixed inductor that has a wide variety of applications. Its small size and low profile allow it to fit into tight spaces and applications where full-size components cannot be used. Due to its low resistance (approximately 0.2 ohms), it is well-suited for low-voltage, low-noise applications, such as mobile phones, medical devices, and RF and microwave devices. The PD73R-333K is also well-suited for power-supply filtering and energy-storage applications such as AC/DC converters and voltage regulators.

Working Principle

The PD73R-333K works on the principle of induction to store and resist current changes. This principle is based on Faraday\'s law of induction, which states that a changing magnetic field will induce a voltage in a conductor. When a current is applied to the PD73R-333K, a magnetic field is induced in the coil. This magnetic field then induces an opposing voltage in the coil, which resists the original current. Thus, the coil acts as an energy storage device.

The PD73R-333K has a rated inductance of 0.33 uH. This indicates the amount of energy stored in its magnetic field at any given time. The inductance of a coil is determined by its physical dimensions, such as the length, cross-sectional area, and number of turns of the flexible copper wire that forms the coil. The smaller the coil, the higher the inductance and the greater the energy storage capacity.

Conclusion

The PD73R-333K is a small, low-profile fixed inductor with a wide variety of applications. Its low profile and low-resistance make it ideal for low-voltage, low-noise applications, such as mobile phones, medical devices, and RF and microwave devices. It is also well-suited for power-supply filtering and energy-storage applications, such as AC/DC converters and voltage regulators. The inductance of the PD73R-333K is 0.33 uH, which indicates its energy-storage capacity in its magnetic field. It operates on the principle of induction to store and resist current changes based on Faraday\'s law of induction.

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