SPD73-154M

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Fixed inductors refer to inductors with fixed inductance and rated current, such as SPD73-154M. It is a new type of printed coil inductor, mainly composed of core, coil and high magnetic powder. It is used for feedback matching circuit in power supply stabilizing circuit, and it can also be used for signal line noise reduction filtering and communication devices.

SPD73-154M is commonly used in the magnetic component field. It is suitable for high-frequency circuits, such as power converters and motor current circuits, which are prone to parasitic inductance and need stable output. Its working principle is to adjust the inductance ripple of the printed coil inductor by changing the number of turns of the winding in order to make the working frequency of the printed coil inductor constitute the main frequency of the parasitic inductance.

The inductance of SPD73-154M is related to the number of turns of the winding, and the rated current is related to the size and material of the magnetic core. In addition, the thickness of the wire should be consistent, so as to evenly distribute the current in the winding to reduce the generated heat and ensure that the inductance accuracy of the inductor can reach the specified value.

The main applications of SPD73-154M are: stabilizing circuits of power supply, feedback matching, signal line noise reduction and filtering circuits of communication devices. Its working principle is to adjust the inductance ripple of the printed coil inductor. Therefore, it can increase the frequency characteristics of the signal passing through the inductor and reduce the high frequency interference.

In short, SPD73-154M is a kind of fixed inductor. Its main purpose is to reduce the high frequency interference of signal lines. The working principle is to adjust the inductance ripple of the printed coil inductor. The main applications are feedback matching circuit in power supply stabilizing circuit, signal line noise reduction filtering and communication devices.

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