ILSB0603ER3R9K

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Fixed Inductors are important components in electrical circuits, serving as energy-storing devices or current limiters. The ILSB0603ER3R9K is a type of fixed inductor. This article will cover its application field and working principle.

Application Field of ILSB0603ER3R9K

The ILSB0603ER3R9K is a surface mount inductor with a specified inductance of 3.3 ± 0.2 nH and a rated current of up to 800mA. It can be used for a variety of applications including DC-DC conversion, power supplies, output filtering in switching power supplies, simple resonant circuits, and transformer isolation.

The low profile, low AC self-resonance of the ILSB0603ER3R9K makes it suitable for use in consumer electronics such as mobile phones, digital cameras, DVD players, and portable audio players.

Working Principle of ILSB0603ER3R9K

The ILSB0603ER3R9K works on the principle of electromagnetic induction. This means that when an electric current is passed through the inductor, it generates a magnetic field. The magnitude of this field is proportional to the strength of the current, and this field induces an electromotive force (EMF) in a coil of wire wrapped around the inductor. This EMF opposes the current that produced it, limiting its flow.

The amount of opposition produced by the EMF is referred to as inductance, and for the ILSB0603ER3R9K, this inductance is 3.3 ± 0.2 nH. This inductance can be used to determine the rate of the current flowing through the inductor as well as its maximum power dissipation.

The ILSB0603ER3R9K also has a safety feature to prevent overheating. It is equipped with a current-sensitive sensing element that monitors the current flow, switching off the circuit if the current exceeds the maximum rated current. This helps to protect the device from damage caused by surges in current.

Conclusion

The ILSB0603ER3R9K is a fixed inductor with a rated inductance of 3.3 ± 0.2 nH and a maximum current of up to 800mA. It is used for a variety of applications including DC-DC conversion, power supplies, output filtering in switching power supplies, and transformer isolation. The low profile, low AC self-resonance of the ILSB0603ER3R9K makes it suitable for use in consumer electronics. It works on the principle of electromagnetic induction, and is equipped with a current-sensitive sensing element to prevent overheating.

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