DR74-102-R Inductors, Coils, Chokes

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Fixed inductors, such as DR74-102-R, are passive electronic components that store electrical energy in the form of a magnetic field. They are used to filter, resonate, level, tune and buffer waveforms in many types of circuits. An inductor consists of a coil of wire wrapped around a core material, such as an iron or ferrite rod. The winding adds inductance to the circuit, while the core material adds permeability in order to control and focus the magnetic field.

The DR74-102-R is an inductor that is designed for use with high voltage and harsh environmental applications. It is made of a thick wire windings with high temperature insulation and a high dielectric strength ferrite core. The core provides the high inductance needed to provide efficient power line filtering.

The inductor is used in a variety of applications including line filtering, TV tuner noise suppression, power supply regulation, and EMI filters. In line filtering, the inductor is used to reduce electromagnetic noise emitted from other components. This helps to reduce cross talk and interference in the circuitry. TV tuner noise suppression reduces unwanted signals from entering the circuitry. This prevents disruption to the output signal. For power supply regulation, the inductor limits the amount of current that can pass through the circuit to a stable level. This helps to prevent fluctuations in the power supply and helps to maintain consistent performance.

The DR74-102-R inductor also works as an EMI filter. Basically, this is a special type of electromagnetic shielding that helps to block any unwanted electrical noise that may come into the system from external sources. This helps to ensure consistent signal quality and performance.

The working principle of an DR74-102-R inductor is as follows: when an alternating current (AC) passes through the coil, it produces a varying magnetic field inside the core material. This in turn creates a varying voltage across the terminals of the inductor, which causes a current to flow in the opposite direction to the original. This current creates a magnetic field on the opposite side of the core and generates a back-EMF voltage, resulting in a continuous cycle of change in the inductance of the circuit.

The amount of inductance is determined by the size of the coil and the number of turns in the coil, as well as the permeability of the core material. The inductance of the DR74-102-R inductor is more than enough for the majority of applications. This makes it an ideal choice for a wide range of applications.

In summary, DR74-102-R is an inductor for use in high voltage and harsh environment applications, such as line filtering, TV tuner noise suppressing, power supply regulation, and EMI filtering. The inductor works by creating a varying magnetic field that results in a varying back-EMF voltage. This provides the inductance necessary to create an efficient power line filter. The working principle of this inductor makes it an ideal choice for a wide range of applications.

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