PTKM75-121H

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Fixed Inductors

Fixed inductors are an important component of electronic circuits. They are widely used in high frequency circuits such as power supplies, audio circuits, radio frequency circuits, and so on. As the name suggests, they provide a fixed amount of inductance, so they can provide stability for these circuits. An example of a fixed inductor is PTKM75-121H.

PTKM75-121H Application Field

PTKM75-121H is a fixed inductor made of MnZn ferrite material, and is designed for use in high frequency switching power supplies and circuits operating up to 100MHz. Its special characteristics enable it to provide a stable operating performance under high frequency conditions.

PTKM75-121H can be used for basic filter, isolation, and high frequency DC/DC converter circuits. It is suitable for any circuit requiring high frequency inductance, such as circuits for regulation of high frequency current or voltage up to 100MHz. The use of this inductor in a circuit also prevents noise interference, and it can also be used in noise suppression circuits.

PTKM75-121H Working Principle

The working principle of PTKM75-121H is based on the use of a ferrite core as the inductor material. This ferrite core has high permeability, high inductance, and low loss. Due to its high permeability, the inductor can provide higher inductance than other types of inductors. The PTKM75-121H also has a high quality factor, which helps to improve the performance of the circuit.

The PTKM75-121H inductor works by using an alternating current to create a magnetic field in the ferrite core. This magnetic field sets up a change in current in the inductor, thus providing the desired inductance. As with any type of inductor, the amount of inductance provided is dependent on the characteristics of the core, the number of turns in the winding, and the current applied.

In addition to the ferrite core, the PTKM75-121H inductor also features a magnetic shield that helps reduce the effect of external magnetic fields on the inductor. This helps to improve the stability and performance of the circuit, and also helps protect it from interference from other nearby circuits.

Conclusion

PTKM75-121H is a fixed inductor that can be used in a variety of high frequency circuits. Its use of a ferrite core enables it to provide high inductance and low loss, and its magnetic shield helps reduce the effect of external magnetic fields. The inductor is suitable for use in filter, isolation, and high frequency switching power supply circuits, and can also be used in noise suppression circuits.

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