PM3308-680M-RC Inductors, Coils, Chokes

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Fixed Inductors

A fixed inductor is a device designed to provide a known inductance or impedance tovoltages or currents passing through them. Fixed inductors can be used for a variety of electrical applications, such as filtering, matching, tuning, power conversion, and more.

PM3308-680M-RC

PM3308-680M-RC is a fixed, shielded surface-mount inductor with a 680 microhenry inductance value. It features a molded, low-profile EMI shield that reduces radiated emissions. It is designed for use in low-noise, high-Q circuit applications. The PM3308-680M-RC can operate in temperatures from -40°C to +125°C.

Application Field

The PM3308-680M-RC is suitable for applications requiring power conversion, such as low-noise switching power supplies, DC-DC converters, and audio systems. It is also suitable for applications requiring low-noise control circuits, such as motor controllers, timing circuits, and timers. The PM3308-680M-RC is also ideal for applications using very high frequencies, such as RF filters and antenna tuning.

Working Principle

Fixed inductors operate on electrical principles revolving around the concept of inductance. Inductance is the property of an electrical circuit that occurs when an electric current passes through a coil of wire, creating a magnetic field. This field affects the flow of current in the circuit, with the magnitude of the effect determined by the inductance of the coil. The PM3308-680M-RC has an inductance of 680 microhenry, meaning that it has a relatively low inductance.

When a direct current is applied to the inductor, it produces a magnetic field. The magnetic field around the inductor opposes the flow of the current, requiring the current to work harder to pass through the inductor. This is known as back-EMF (electromotive force). When the current passes through the inductor, it stores a portion of the energy. This stored energy is then released when the field collapses, causing the current to resist a change in the direction of the current flow.

The operation of the PM3308-680M-RC can be used to provide electrical noise filtering in power circuits, operate as an RF filter in antenna circuits, or for other similar applications.

Conclusion

The PM3308-680M-RC is a fixed, shielded surface-mount inductor with a 680 microhenry inductance value. It features a low-profile EMI shield, and it is designed for use in low-noise, high-Q circuit applications. The PM3308-680M-RC operates on electrical principles revolving around the concept of inductance, and it can be used for applications requiring power conversion, noise filtering, tuning, matching, and more.

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