0925-221J

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The 0925-221J fixed inductors are classified as fixed inductors because they are distinguished from other inductors based on their construction and specifications. This type of inductor has a very stable inductance, with a low DC resistance. Generally, it is used to store energy, store magnetic field flux and filter AC signals, filter DC signals, increase the voltage, and reduce the current. This inductor has excellent features such as low leakage inductance, excellent SRF, low power consumption, low temperature drift and high Q value.

The outer shell of the 0925-221J fixed inductor is composed of plastic, ceramic or magnetic material, whose shape is cylindrical or toroidal. Due to different choices of materials, this inductor has different inductances. The inductor is changed when the load changes, forming a parasitic self-inductance loop. Its Equivalent Series Resistance (ESR) is the sum of the main-line resistance and loss resistance. The DCR of the inductor, along with its inductance and ESR, are the main parameters to determine the performance of the inductor.

In addition, the 0925-221J inductors are widely used in the fields of robotics, electric vehicles, power transformers, mobile phone chargers, portable communications, computer and switching power supplies, instrumentation and other electrical fields. The working principle of the fixed inductor is relatively simple, it works by generating an AC voltage when the current passes through it. The inductance generated by the core reacts with the current, causing the current to flow at a reduced rate while generating an AC voltage. This AC voltage can be converted into an appropriate voltage level for computers, battery power management systems and other systems.

The 0925-221J fixed inductor is also used to create a buzzing sound in the audio field, which is known as a buzzer or ringing transformer. The size of the 0925-221J fixed inductor is usually determined by its power rating, and its current-carrying capacity is limited, usually with a maximum current of 3 to 4 amps.

Overall, the 0925-221J fixed inductor is a compact, efficient and reliable electronic device. It has the features of high magnetic permeability, high coupling factor, low power consumption, stable inductance, and small dimensions. It has a wide range of applications in electrical equipment and is suitable for portability, instrumentation, military, home and automotive applications.

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