SPD74R-103M Inductors, Coils, Chokes

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Fixed inductors are electrical components intended to program or control electric current flow in an electrical circuit. SPD74R-103M is a type of fixed inductor and has wide application fields and working principles. This article is to introduce its application fields and working principle.

Application Field

SPD74R-103M is a type of fixed inductor widely used in multiple industries. Its main application fields are as follows:

• Audio-visual Equipment: SPD74R-103M are mainly used in all kinds of audio-video equipment, such as TVs, DVD players, BD players, VCRs, stereo radio receivers, etc., where they are often used as storage inductors, allowing the equipment to get stable power.
• Communication Equipment: SPD74R-103M are also used in satellite TVs, cable boxes, antennas, and other communication equipment.
• Automotive Electronics: It is also commonly used in automotive electronics, such as car radios, parking sensors, speedometers, navigation systems, car start and stop system, etc.
• Electronic Games and Toys: SPD74R-103M are standard parts in the circuit of all kinds of electronic games and toys.
• Other Equipment: SPD74R-103M can also be used in many other products, such as computers, household appliances, small home electronic devices, etc.

Working Principle

The working principle of SPD74R-103M fixed inductors is based on Faraday\'s law of induction. According to the law, a current produces a magnetic field around it, which can induce a voltage in any conductor passing through the field. This is known as \'inductance\'.

SPD74R-103M fixed inductors are composed of a coil of wire wound around a ferromagnetic core. When an alternating current is passed through the coil of wire, it creates a magnetic field. This magnetic field then passes through the attached ferromagnetic core, inducing a voltage in the core. This induced voltage will in turn induce a current in the coil, which further increases the magnetic field produced, and so on.

SPD74R-103M fixed inductors offers a stable current flow by controlling the voltage and current. Thus they have applications in a myriad of industries, and are used widely.

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