S1008-473K

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Fixed inductors are age-old circuits requiring no active power for operation. Converted into electrical energy, they can store and release energy at a given frequency to help power circuits. The S1008-473K is a 48-pin surface-mount device that is used in applications requiring mobile phone, automotive and industrial control. The device has a high self-resonant frequency of 4Mhz, low esr and low dc resistance, making it an ideal candidate for such applications.

Essentially, the S1008-473K is an inductor with a resistance, inductance and capacitance values as determined by the frequency of the signals being utilized. It consists of a magnetic loop core inside the package, and two or more coils linked with the core, to create a single loop. The core material is often composed of ferrite, to maximize its energy storing and releasing efficiency. The magnetic field created inside will respond to changing external currents, and will modulate the waveform of the current passed through it.

The exact workings of the devices depend on its resistance, inductance and capacitance values. As signals travel through the device, the changing magnetic field interacts with the current and induces a voltage or current in the adjacent coils. For example, if a signal is routed through the S1008-473K, the changing magnetic field will induce a voltage or current on the adjacent coil and as the current continually changes, the amplitude of the signal will be maintained. Likewise, if a sinusoidal waveform passes through the device, its frequency and shape will remain the same.

Additionally, the device can be used to filter signals, thus providing improved signal clarity and noise reduction. Its primary application is to help reduce the amount of interference between two signals. By connecting the S1008-473K in the signal path between two signals, any frequency components of frequencies differing from the desired input signal will be attenuated.

The S1008-473K is a highly efficient device and is able to provide excellent performance in many different application fields. It is a low-profile surface-mount device and can be mounted on board or stacked on other components for superior flexibility. Furthermore, it is easy to install and requires no active power to operate. Consequently, it is an ideal choice for applications such as automotive, mobile phone, and industrial control.

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