SCRH105A-47R

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Fixed Inductors

Inductors are devices composed of wire or metal that store energy in an electromagnetic field when electric current flows through them. Inductors are typically used to block AC signals, thus preventing any unwanted signals from entering the component, circuit, or system. They are also used for frequency-selective circuits or voltage-dividing circuits, as well as for providing current paths for current-sensitive components. Fixed inductors, also known as fixed-value inductors, possess an inductance value that is predetermined during their manufacture and cannot be altered.

SCRH105A-47R Application Field and Working Principle

The SCRH105A-47R Fixed Inductor is a widely employed one in electronics industries. It features a standard, low profile, and high current inductor, designed to reduce component size, improve board space efficiency, and protect against damaging EMC/EMI signals. It has a wide application field in microphone circuits, switching power supplies, DC/DC converters, and other low-frequency noise applications.

The SCRH105A-47R Fixed Inductor is composed of an iron core and two copper coils enclosed in either a resin or an epoxy material for insulation and protection from weather and other environmental conditions. The core and the two copper coils are connected together in a series circuit, allowing current to flow from one coil to the other through the iron core. This configuration gives the SCRH105A-47R fixed inductor its ability to induce a voltage across its terminals. Its inductance is determined by the physical geometry of the core and the copper coils, and it is not affected by external changes in voltage.

The working principle of the SCRH105A-47R Fixed Inductor can be explained by Faraday\'s Law of Electromagnetic Induction. According to this law, when a current is passed through the iron core, a changing magnetic field is created, and this field induces a voltage across the terminals of the inductor. This induced voltage has the same frequency as the applied current, and its magnitude depends on the core geometry, and the number of the windings in the copper coils.

The induced voltage in the SCRH105A-47R Fixed Inductor is known as inductive reactance, and it has a specified value of 47Ω Δ which is preset during its production. Furthermore, its effect on the circuit is determined by the frequency of the applied current and the inductance of the inductor. This inductance remains constant regardless of changes in the applied voltage, meaning that the amount of reactance present in the circuit will vary as the frequency of the current changes.

The SCRH105A-47R Fixed Inductor is designed to be used in a range of low frequency applications, and it can be used for multiple purposes depending on the application. The inductor can be used for smoothing DC voltage, for radio-frequency filtering, or for creating resonant circuits. It can also be used to reduce or eliminate EMF components in AC circuits or for preventing interference from entering an electric circuit. In all of these applications, the fixed valued of the inductance allows the inductor to work with a high degree of accuracy and dependability.

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