SPD42R-183M

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Fixed inductors are types of inductors which are fixed to one position and are used in electronic circuits and assemblies for their electrical properties. The SPD42R-183M is one such fixed inductor.

The SPD42R-183M is a ferrite-core pre-wired inductor with a solderable lead. It features a high current capability and low AC resistance. It has a maximum inductance of 183mH and is rated at up to 2A and up to 30V. Its dimensions are 6.5mm in diameter and 25mm in length.

The SPD42R-183M is used in applications including DC-DC converters, battery-powered applications, lamp dimmers, motor and fan control, small form-factor power supplies, voltage and current buffering, audio crossovers, and energy-saving lighting. It can also be used in digital signal processing systems, for EMI/RFI suppression, for DC/DC step-up and step-down converters, as well as for providing power to microcontrollers and radio frequency applications.

The working principle of the SPD42R-183M fixed inductor is relatively simple. The device consists of a coil of wire wrapped around a ferrite core, which consists of a magnetic material. An alternating current is applied to the coil, which then generates a magnetic field. The magnetic field increases in strength and collapses when the current is removed or reversed. This produces an oscillating current through the coils, creating a self-induced opposition to the applied current, known as inductance.

In addition to its function in the electrical circuit itself, the inductor also serves a useful purpose in noise reduction. By providing an inductive path to ground, the circuit cannot sustain high-frequency noise which may otherwise interfere with other components in the circuit. This ensures that the electrical signals sent between components remain clean and free from noise.

In summary, the SPD42R-183M is a fixed induactor used in a variety of applications. The device has a high current capability and low AC resistence, with a maximum inductance of 183mH and rating of up to 2A and 30V. Its working principle is relatively simple; when an alternating current is applied to the coils, it produces an oscillating current which creates an inductive opposition to the applied current. The device also acts to reduce noise in the circuit, allowing for a cleaner and more reliable electric signal between components. In this way, the SPD42R-183M is an invaluable component in many electronic circuits and assemblies.

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