SCRH8D28-3R3

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Fixed inductors, also known as "inductors," are basic electronic components used in electrical circuits to store and transfer energy. The SCRH8D28-3R3 is a type of compact axial inductor well suited for use in surface-mount electronic applications. It has a miniature size and low ESR, making it suitable for power conversion circuits, switching converters, and voltage regulators.

The SCRH8D28-3R3 features a small form factor and high insulation resistance. On the top end of the component, a bobbin with a ferrite core is filled with copper-clad wires. At the back of the component, two leads protrude. These two leads are made of tin-plated copper and designed to be surface-mounted on boards with a solder paste.

The basic working principle of fixed inductors, including SCRH8D28-3R3, is based on Faraday\'s Law of Induction. When electric current flows through an inductor, a magnetic field builds up around it. This part of the current passing through an inductor and building up its magnetic field is called positive inductance. The inductor then works to resist changes in the circuit by limiting the rate of change of voltage across its terminals. This is known as inductive reactance. The unit of measure for inductance is the henry (H). The SCRH8D28-3R3 inductor has a typical inductance of 1.8uH±10%.

The SCRH8D28-3R3 fixed inductor is designed to handle a power rating of 1.2W at 105℃. It also features an insulation resistance of 100MΩmin at 500VDC, a saturation current of 0.8A maximum, and direct current resistance of 4.1mΩ. The operating range is -40℃ to 105℃ for both storage and working conditions. The component is RoHS compliant and 100% lead (Pb)-free.

The SCRH8D28-3R3 is typically used in switched mode power supply circuits such as switched converters, voltage regulators, and power supplies. It is also used in limiting the rate of change of current or voltage in circuits. With its high power rating, low ESR, miniature size, and high insulation resistance, the SCRH8D28-3R3 is the ideal choice for these types of applications.

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