SDH3812-680-R

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Fixed Inductors, such as the SDH3812-680-R, are essential components in puting, communication and other electronic equipment. They can be used in circuits for various applications such as filtering, impedance matching and resonance. The inductor is an electrical component used to store and control electrical energy in a circuit.

The SDH3812-680-R is a fixed inductor, a type of inductor with an inductance that remains constant in spite of changing frequency or temperature. It has a nominal inductance of 680μH (680000000pH). It is wound with RoHS-compliant, 42AWG (American Wire Gauge) tin copper wound inductance wire, and its core material is ferrite.The SDH3812-680-R fixed inductor has a maximum DC resistance of 0.026Ω. It has a DC current rating of 3.5A, a saturation current of 5.2A(20kHz, 30% duty cycle) and an impedance range of 0.20 to 0.58Ω. To ensure a long life, it is rated for operation over a temperature range of -40 to +85°C. It is designed to have excellent heat dissipation characteristics and high efficiency, which makes it suitable for use in power supply and power control circuits.The basic working principle of the inductor is to convert electrical energy from one form to another. When an alternating current flows through the inductor, the electromagnetic field around the inductor core induces a counter electromotive force. This counter emf opposes the original current, causing a drop in voltage across the inductor. At the same time, the electromagnetic field around the inductor stores energy. The energy stored is transformed back to electric current when the current through the inductor is interrupted. This is why it is often used in noise suppression, power filtering, current limiting, and impedance matching applications.

The SDH3812-680-R fixed inductor is a high quality component ideal for a range of applications. Its small size and high electrical performance features make it suitable for use in compact electronic equipment, such as displays and mobile phones. Its RoHS-compliant design and high temperature rating make it suitable for use in industrial and automotive applications.

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