PM20-R47M

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Fixed inductors are used in various electronic circuits and applications, for example, in power supplies, signal processing or signal filtering. The PM20-R47M is one of the inductors used in these applications. This article aims to provide an overview of the PM20-R47M application field and working principle.

What is the PM20-R47M?

The PM20-R47M is a fixed inductor with a value of 47 uH (micro-Henry). It has a core size of 20-mm and is commonly used in circuits for low-to-medium power applications. The PM20-R47M is a high quality inductor that provides reliability in the application field. It has a wide operating temperature range and a good EMI suppression characteristic.

Where is the PM20-R47M Used?

The PM20-R47M is widely used in various types of electronic devices. It can be found in consumer electronic products, such as televisions, DVD players, and audio systems. It is also used in industrial applications, for example in motor control, radio frequency, and high voltage circuit protection. The PM20-R47M is used in power supplies, audio circuits and signal processing.

How does the PM20-R47M Work?

The PM20-R47M works on the principle of electromagnetic induction. This means that when electric current flows through the coil, a magnetic field is created in the core material of the inductor (usually iron). This magnetic field interacts with the electric current, thus creating a back voltage which can be used to regulate or dampen the original electric current.

The PM20-R47M is designed to have low resistance which allows it to maintain a constant level of voltage across its terminals, even when subjected to varying currents and frequencies. It can also be used to reduce current ripple or "noise" in electric power supplies, and to filter out "noise" in signals carrying audio or video information.

Advantages and Disadvantages of the PM20-R47M

The PM20-R47M is a reliable, well-performing inductor that provides high quality and reliability in its application field. It has a low resistance which allows it to maintain a constant voltage, even in the presence of varying current or frequency. Additionally, it provides good EMI suppression characteristics and a wide operating temperature range. The only disadvantage of the PM20-R47M is its cost, which is relatively higher than other inductors available on the market.

Conclusion

The PM20-R47M is a fixed inductor with a value of 47 uH, and a core size of 20-mm. It is commonly used in various electronic circuits for power supplies, signal processing, and signal filtering. The PM20-R47M works on the principle of electromagnetic induction, and it is designed to have low resistance for a constant voltage across its terminals. It is a reliable, well-performing inductor that provides high quality and reliability in its application field. The only disadvantage of the PM20-R47M is its cost, which is relatively higher than other inductors available on the market.

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