SC73B-820

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Fixed inductors are used for electrical circuits that require energy storage, signal filtering, or signal shaping. When connected across a DC voltage, they store and release energy. When connected in AC circuits, they help shape electric signals, and they act as low-pass filters in radio frequency applications. One common type of fixed inductor is the SC73B-820.

The SC73B-820 is a molded, radial leaded, shielded wirewound fixed inductor. It measures 10mmx10mmx8.15mm and features a magnetically shielded construction. It has a inductance range of 800nH-820nH, a maximum DC current rating of 1.25A, and a maximum DC resistance range of 0.8 ohm.

The SC73B-820’s primary application is in low-frequency electronic circuits that require a low-inductance component. Such circuits include AC-DC power supply circuits, switching power converters, power switching circuits, and any application which requires the filtering of low-frequency, high-voltage signals. The SC73B-820’s high shielding factor also makes it suitable for circuits with a high concentration of electronic noise.

The SC73B-820 works on the principle of electromagnetic induction. This principle states that when a conductor is exposed to a varying magnetic field, an electric current will be generated in it. The converse of this is also true, meaning that if an electric current is applied to a conductor, it will create a varying magnetic field around it. This is how the SC73B-820 stores energy – the changing current generates a magnetic field which in turn induces an opposing current in its turns, storing energy.

The SC73B-820’s windings are carefully arranged so that its inductance and impedance can be precisely tailored for specific applications. Its shielded construction helps prevent electric interference from entering or exiting the circuit, ensuring consistent and dependable performance. In addition, its low-resistance design allows it to dissipate heat quickly and efficiently, allowing it to operate at higher temperatures than other inductors.

In summary, the SC73B-820 is a molded, radial leaded, shielded wirewound fixed inductor that is ideal for low-frequency signal filtering applications. It works on the principle of electromagnetic induction, allowing it to store energy in its windings. Its shielding also helps to protect circuits from external interference. With its low resistance and high temperature rating, the SC73B-820 is reliable and capable of delivering consistent performance for years to come.

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