B78148E1221M009

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Fixed inductors are electrical components that store energy in the form of a magnetic field. They have a core made of ferromagnetic material such as iron and are wound with one or more coils of insulated wire. Fixed inductors are widely used in DC and AC circuits, including radio frequency circuits. The B78148E1221M009 is a type of fixed inductor.

The B78148E1221M009 has a 2.2uH inductance and an inductive tolerance of ± 20%. It can handle a current of up to 2A and a voltage of up to 15V. The part number also indicates that it is a radial leaded, shielded inductor with lead spacing of 5.08mm. It is made of ferrite core material and is rated for up to 100MHz.

Fixed inductors are used in many applications where a current or voltage needs to be regulated. For example, they are commonly used in power supplies, switching circuits, communication circuits, and filtering circuits. They are most often used in AC circuits where they act as low pass filters. In this type of application, the fixed inductor limits the flow of AC current, allowing only low frequency signals to pass through.

The working principle of the B78148E1221M009 is based on electromagnetic induction. When an alternating current is applied to the inductor, a magnetic field is created that stores energy in the form of a magnetic field. When the current is removed, the magnetic field collapses and the energy stored is transformed into electrical energy. This electrical energy can be used to power electronic devices or to pass on a signal.

In summary, the B78148E1221M009 is a type of fixed inductor with 2.2uH inductance, an inductive tolerance of ±20%, and a voltage rating of up to 15V. It is typically used in AC circuits, where it acts as a low pass filter and limits the flow of AC current. The working principle of the B78148E1221M009 is based on electromagnetic induction, wherein an alternating current is applied to the inductor and the energy stored is transformed into electrical energy.

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