SWC-3.00-17

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Fixed Inductors

Fixed inductors are electronic components that have a coil or spiral wound onto a ferrite or ceramic substrate which stores energy when a current passes through it. Fixed inductors have many applications, ranging from helping to regulate power supplies in mobile phones and computers to providing additional signal filtering in television antennas. One of the most popular fixed inductors is the SWC-3.00-17.

SWC-3.00-17 Application Field

The SWC-3.00-17 is a radial-leaded, molded, fixed inductor with a maximum voltage rating of up to 30 volts and maximum DC current rating of up to 120 mA (milliamp). It is predominantly used in power supplies and high-frequency applications. Examples of these applications include power supply filtering in computers, switching power supplies, and power management modules. The relatively low profile and radial-lead construction of the SWC-3.00-17 fixed inductor make it particularly suitable for use in mobile phones and other slim electronic devices.

SWC-3.00-17 Working Principle

As a fixed inductor, the SWC-3.00-17 uses a coil (commonly referred to as a solenoid) to store energy. When an alternating current (AC) is applied to the coil, the coil\'s magnetic field expands and contracts, storing energy from the AC in an electromagnetic field. The amount of energy that can be stored in the field depends on the size and number of turns of the coil. A common application for a fixed inductor is filtering the power supply in devices such as computers.

The SWC-3.00-17 is designed to filter the switching power supply in high-frequency applications. The switches create harmonic frequencies that can cause electromagnetic interference in nearby electronic components or degrade the power supply\'s performance. The SWC-3.00-17\'s coil absorbs the harmonic frequencies, and the energy is then dissipated as heat. In this way, the SWC-3.00-17 acts as a filter for the power supply.

Conclusion

The SWC-3.00-17 is a popular fixed inductor used for filtering power supplies in computers, switching power supplies, and power management modules. It is also particularly suitable for use in mobile phones and other slim electronic devices due to its low profile and radial-lead construction. The SWC-3.00-17 works by absorbing harmonic frequencies generated by the switching power supply and dissipating the energy as heat. This in turn filters the power supply and keeps the electronic components in the vicinity functioning correctly.

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