SPD125-274M

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Fixed inductors are compact, passive components that store energy in their magnetic field and release it when a voltage is applied to their terminals. They come in a variety of shapes and sizes and are used in a variety of applications, from preserving signal integrity in audio equipment, to filtering power transmissions in industrial machinery, to boosting power in wireless communication systems. The SPD125-274M is a specific type of fixed inductor, so let\'s examine its application field and working principle.

SPD125-274M is a moulded, radial leaded inductor. It is suitable for automatic assembly on PC boards and is sealed with a protective lacquer coating, providing improved reliability. The inductive element is wound with copper wire and powered by an internal ferrite core. The SPD125-274M is designed with a rated DC current of up to 2A, a dynamic resistance of 0.25Ω, and a temperature range of -40°C to +105°C.

SPD125-274M inductors can be used for applications such as AC-DC rectifiers and switching power supplies for PC, LCD and TV applications. They can also be applied for mobile devices, automotive systems, and power converters. When used in these systems, SPD125-274M handles a wide range of currents and delivers a higher degree of transient performance, resulting in improved power efficiency and reduced power dissipation.

SPD125-274M\'s working principle is quite simple, yet highly effective. When a voltage is applied to its terminals, the copper coils wound around the ferrite core create an electromagnetic field, which generates a magnetic field at the same frequency as the applied voltage. This creates a voltage drop across the inductor, and the amount of drop is proportional to the amount of current flowing through it.

As current passes through the SPD125-274M inductor\'s windings, the magnetic field generated causes an opposing force. This opposing force is the inductance, and it counteracts the increasing current. This controls the rise and fall of the voltage, stabilized the current flow and helps to maintain a constant power across the circuit.

To sum up, SPD125-274M is a fixed inductor suitable for AC-DC rectifiers, switching power supplies, mobile devices, automotive systems, and power converters. Its winding copper coils and ferrite core generate a magnetic field when a voltage is applied, and it counteracts the increase of current and maintains a constant power across the circuit.

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