2500-70H

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Fixed inductors generally refer to inductors that do not have adjustable parameters and their inductance value does not change during operation. As the name implies, the inductance value of a fixed inductor usually does not change. A common type of fixed inductor is the 2500-70H. This article will discuss the application fields and working principle of the 2500-70H.

The 2500-70H is relatively compact in size and is constructed with a ferrite core and encapsulated in epoxy. It features a wide range of inductance values, from 2.5 to 70uH, and can handle up to 2-3 amperes of current. As a result, it is often used in high power audio amplifiers, PA amplifiers, power filters, metering systems, and transmitters.

The 2500-70H also possesses excellent electrical characteristics and can operate under lower temperature coefficients, compared to other inductors. Its low noise performance is also quite impressive, allowing it to function well in minimal acoustic space applications. Additionally, it has good heat dissipation, which is important for long-term operation in audio systems.

The 2500-70H’s working principle is quite simple. It is basically just a winding of coil around a ferrite core which has a coil of wire wrapped around it. The resistance of the wire is the key factor in determining the inductance of the coil. When a current is applied to the coil, it produces a magnetic field which then induces a voltage across the coil. This is the basic way in which the 2500-70H functions.

In summary, the 2500-70H is a compact and reliable fixed inductor. It is commonly used in high power audio amplifiers, PA amplifiers, power filters, metering systems, and transmitters. It features a wide range of inductance values, good electrical characteristics, lower temperature coefficients, low noise performance, and good heat dissipation. Its working principle isn’t too complicated and it operates by using a magnetic field to induce a voltage across the coil.

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