SC1606-4R7

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Fixed Inductors: SC1606-4R7 Application Field and Working Principle

Fixed inductors fulfills a wide range of application areas. SC1606-4R7 is a common and widely used type of fixed inductor, which is mainly used to filter and generate signals. To understand its application as well as its working principle, is of great importance for engineers, so as to use it properly.

What Is SC1606-4R7

The SC1606-4R7 is a surface mount type of fixed inductor with four pins. It has a nominal inductance of 4.7µH at 200kHz, and its peak performance current can reach 1.25A (Idc). Its maximum DC resistance is 48 mΩ (typical). It also has good temperature, humidity and bias stability, which makes it especially suitable for environmental condition of high temperature.

The SC1606-4R7 has a small size, which makes it easy to use. Its overall size is 6mm x 6mm x 3.4mm. So it is suitable for a wide range of applications, such as high frequency switching power supply, signal line filters, audio filters, oscillators, etc.

Application for SC1606-4R7

The SC1606-4R7 has multiple application fields. Some of them are listed below:

• High frequency switching power supplies: The SC1606-4R7 can be used in high frequency switching power supplies, which require high frequency circuit. The key advantages of using this type of inductor is its good temperature, humidity and bias stability.
• High frequency/signal line filters: The SC1606-4R7 can also be used as a filter in high-frequency/signal line, with high frequency and high capacity requirements. Besides, it can also help to minimize the signal to the environment interference or the internal parasitic oscillation.
• Audio filter: As an audio inductor, it can be used in a wide range of audio filter designs, which help to ensure good quality sound transmission.
• Oscillator circuits: In some oscillation circuits, SC1606-4R7 can help to reduce the battery consumption and improve the power efficiency.

Working Principle of SC1606-4R7

Fixed inductors are passive components that store energy in the form of magnetic field. The core of the fixed inductor is usually surrounded by a coil of insulated wire, which is connected to the circuit. When an AC signal is applied to the wire, a circular electric field will be produced around the wire. This electric field will interact with the magnetic field produced by the core to generate a voltage. Then, based on Faraday\'s law of electromagnetic induction, a current will flow through the inductor.

For the SC1606-4R7, its nominal inductance is 4.7µH at 200kHz, which means that it has a very high speed responsiveness. It can help to filter the high frequency signals and efficiently reduce the signal noise. Besides, it can also help the circuits to improve the power efficiency.

Conclusion

In conclusion, the SC1606-4R7 is a common and widely used type of inductor, due to its small size, good temperature, humidity and bias stability, as well as its peak performance current that can reach 1.25A. It is mainly used for high frequency switching power supplies, signal line filters, audio filter and oscillator circuits. It helps to filter out the noise and improve power efficiency, which makes it much more efficient than other types of inductor.

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