CIC21J471NE

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Ferrite beads are small, ring-shaped components composed of ferrite (magnetic iron oxide) and are designed to be used in a variety of electronic applications. CIC21J471NE is a type of ferrite bead that is frequently employed in signal line communications. It has both high-frequency characteristic impedance and wide operating frequency range which make it suitable for high speed signal line and edge rate controlling. Through its ability to reduce digital noise and signal line transients, CIC21J471NE is particularly useful in the implementation of low-power designs.

The CIC21J471NE\'s application field rests with high speed data transmission. These ferrite beads are particularly useful for signal or reference line noise suppression, noise counteractions for different currents, and reducing the propagation of noise pulses, electric shocks, and electrostatic discharge (ESD). CIC21J471NE can also be used to reduce reflections of signals in power supply lines, protect circuit components from destructive electrical phenomena, and reduce EMI radiation from cables. Another common application for CIC21J471NE is to reduce differential impedance in lines.

The detailed working principle of CIC21J471NE is as follows. CIC21J471NE is designed with a coil, a ferrite ring, and other components. This means it is a variable inductor and filters electromagnetic radiations that pass through it. When current is applied to the coil, an alternating magnetic field is created in the ferrite ring. This field creates a low pass filter between two points that it is connected to, blocking the high frequency components of a signal while allowing the low frequency components to pass through. This is why CIC21J471NE can be used to reduce signal line transients.

The size of CIC21J471NE is merely 0.5x0.8mm. Manufacturers have also created certain versions with a size as small as 0.3x0.5mm. To ensure that they can meet different customer needs, suppliers offer different value components with resistances between 2.2 ohms and 470 ohms and inductance between 0.01 and 1.0 uH. Generally, CIC21J471NE supports higher Impedance (up to 47 ohm in a 100 MHz circuit), higher current (up to 12A) and can operate in high temperature environment up to 125 degree Celsius.

CIC21J471NE can be used in a variety of ways to suppress digital noise, reduce signal line transients, and provide protection from EMI interference. With its small size, wide operating frequency range, and high-frequency characteristic impedance, CIC21J471NE can be utilized to great effect in low-power designs. As more and more manufacturers are relying on ferrite beads as signal line components in their designs, CIC21J471NE is set to become an increasingly popular ferrite bead component in the future.

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