B78148E1104J009

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Fixed inductors, also called chokes or coils, are passive two-terminal electronic components that store energy in a magnetic field when electric current flows through them. They are generally used as filters in RF circuits to block or reduce alternating currents and high-frequency noise. The B78148E1104J009 is a fixed inductor specifically designed for high-speed switching applications.

Construction of B78148E1104J009

The B78148E1104J009 is a cylindrical inductor that consists of a copper wire wound around a ferrite core. This inductor has an axial-lead through-hole construction and is very small, measuring 4.05mm in length with a 2.5mm diameter. The inductor is rated at 5mA and has a maximum DC resistance of 130 mOhms with a rated inductance of 4.7 uH.

Working Principle of B78148E1104J009

Fixed inductors, like the B78148E1104J009, work according to Faraday’s law of induction. When a current flows through the windings of an inductor, it creates a magnetic field which in turn induces an electromotive force, or EMF, in the opposite direction. This EMF opposes the original current, which is known as back EMF. This opposing force is what makes the inductors work, as it limits the current flow and thus prevents high-frequency noise from passing through the circuit. The B78148E1104J009 is a high-speed switching inductor, meaning it is designed to handle high-frequency switching without disrupting the circuit’s stability.

Application of B78148E1104J009

The B78148E1104J009 is mainly used in high-speed systems, such as digital computers, video cameras, and medical equipment, where low power consumption and high switching frequencies are required. It is also useful for power supplies, linear regulators, DC-DC converters, and other devices where an inductor is necessary. This inductor is especially well-suited for high-frequency switching, as its inductance remains stable over a wide range of temperatures and frequencies.

Given its small size, the B78148E1104J009 can be easily integrated into circuit boards without restricting design space. It is also designed to withstand up to 5000V of surge current, making it a reliable option for high-voltage applications.

Conclusion

The B78148E1104J009 is a fixed inductor designed for high-speed switching applications. Due to its small size, it can be easily integrated into a circuit board without taking up too much space. Its stable inductance and high surge current tolerance make it a reliable choice for high-voltage applications. All of these features make the B78148E1104J009 an ideal choice for a variety of high-speed systems.

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