SC4020FH-6R8

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Fixed inductors are electronic components that store energy in the form of magnetic fields. They are mainly used in circuit designs to shape current and voltage. The SC4020FH-6R8 is a specific type of fixed electrical inductor, composed of an annealed steel core and a winding of enamelled copper wire.

The SC4020FH-6R8 is suited for a variety of applications, ranging from low frequency circuits for telecommunication systems, to DC-DC converters, LCD TVs, and many other devices. Its operating temperature range stretches from -25 to +125 Celsius, allowing it to be used in a variety of higher temperature environments. In addition, its size is quite small, measuring just 12.5 millimeters in diameter and 16 millimeters in length without the pins, making it perfect for space-constrained designs.

The SC4020FH-6R8 is capable of storing a maximum current of 6.8 amperes, with an inductance value of 3.95 millihenries, and a DC resistance of 0.72 ohms. Thanks to its air gap, its core losses are also considerably reduced. It also features an excellent thermal stability and high heat dissipation, allowing for safe and reliable operation. Because of its high self-resonant frequency (the frequency at which the inductor impedance is maximum), it\'s often used in resonance or filter circuits.

How does the inductor work? The electrical current flowing through the winding creates a magnetic field around it. Since the current decreases, the magnetic field also reduces, causing an EMF (induction voltage) to be induced in the winding according to Faraday\'s law. This EMF opposes to the change of the current, which is the source of the inductor\'s impedance.

In summary, the SC4020FH-6R8 fixed inductor is a useful and reliable component in various electronic designs thanks to its high current storage, low DC resistance, and small size. Furthermore, its thermal stability, excellent heat dissipation, and magnetic properties make it even more attractive for a variety of engineering applications.

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