70F122AI

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Fixed Inductors

Inductors, also known as coils, chokes or reactors, are an important component in many electrical and electronic circuits. A fixed inductor is a type of inductor designed to have a constant inductance at all frequencies. Commonly used in AC circuits, these inductors may be wired in series and parallel, resulting in different, more complex, combinations. One such type of inductor is the 70F122AI application field.

70F122AI Application Field

The 70F122AI application field is an integrated, high-speed, inductor-based circuit element that provides a variety of AC inductances across a very wide frequency range. Used predominantly in AC circuits, the 70F122AI can induct out ripple or harmonics at frequencies up to 200 MHz and beyond. The 70F122AI inductor is suitable for use in critical, space-constrained application fields such as DC-DC switching regulators, switching power supplies, and high-speed switching amplifiers.

Working Principle

The working principle of the 70F122AI inductor is based on magnetic induction. The 70F122AI inductor contains a pair of ferrite cores. An AC current in the primary coil induces an alternating current in the secondary coil, resulting in a changing magnetic field around both the primary and secondary coils. This changing magnetic field creates an electromagnetic force between the two, creating an inductance across the 70F122AI. This induced inductance is frequency-dependent, meaning that higher frequencies will create higher inductances.

The 70F122AI inductor’s frequency-dependent inductances offer several advantages, such as improved performance and energy efficiency. Furthermore, the 70F122AI provides superior shielding for its inductor, making it effective against EMI and RFI radiation. This shielding also helps to reduce the effects of unwanted power harmonics, resulting in improved power quality.

Conclusion

The 70F122AI application field is an integrated, high-speed, inductor-based circuit element that offers a variety of AC inductances across a very wide frequency range. Used predominantly in AC circuits, the 70F122AI is suitable for use in critical, space-constrained application fields such as DC-DC switching regulators, switching power supplies, and high-speed switching amplifiers. The working principle of the 70F122AI inductor is based on magnetic induction, making it frequency-dependent and providing superior shielding to protect against EMI and RFI radiation.

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