SPD73-223M

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Fixed inductors are a type of passive electronic component that stores energy and employs inductance to produce a required voltage or current. They are commonly used to stabilize circuits and also provide a means for controlling the frequency of a signal. Among the various types of inductors available, the SPD73-223M is one of the more popular and widely used models.

The SPD73-223M is a low-profile, molded inductors. It has excellent performance in high frequency applications and features a small size of just 0.375 in. [2.38 mm] in height and 0.091 in. [2.3 mm] in diameter. It offers an inductance range of 0.91uH-3.8mH, with tolerances of ±5%, ±10%, and ±20%. The rated current is 0.32A-1.2A, and its Q minimum is 20 min at 125 kHz. It also features second-order harmonics of ≤100 nH at 125 kHz, SRF minimum of 8.7 MHz, and an insulation resistance of 100MΩ min.

The SPD73-223M has a wide range of applications. Commonly used to stabilize alternating currents in power supply circuits, it can also be used to reduce current and voltage ripple in inverters and dc to dc converters. In addition, it can be used in the production of transistors and inverters. Other applications include in motor control and audio circuits, as well as for coupling, decoupling, and bypassing signals.

The working principle of the SPD73-223M is based on simple principles of Faraday\'s Law of electromagnetic induction. When a current-carrying wire is passed through a magnetic field, it produces an electromotive force in the coil. This causes a flow of current in the opposite direction, creating an induced electromotive force. This is known as inductance and is a measure of the degree of opposition to the flow of current in an inductive circuit.

When the SPD73-223M is connected to a DC source, it reduces the current level by providing inductive resistance. This reduces the magnitude of alternating currents that pass through the circuit. When connected to an AC source, it increases the current level by passing alternating currents and amplifying the AC voltage. This is achieved by the inductors acting as conductors and storing energy in the form of a magnetic field.

In summary, the SPD73-223M is a type of fixed inductor with a small profile and excellent performance for high-frequency applications. It has a wide range of applications in power supply circuits, motor control and audio circuits, transistors, inverters, and more. Its working principle centers around Faraday Law of electromagnetic induction, where it increases and decreases the magnitude of alternating currents in a circuit in order to reduce current and voltage ripple.

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