4211R-12

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A ferrite bead is an electronic noise suppression component used mainly on radio frequencies for the purpose of minimizing interference. The 4211R-12 ferrite bead is a high performance bead designed to reduce conducted and radiated noise, offering an impedance range of 10 kHz – 30 MHz, which is ideal for a wide variety of applications.

The 4211R-12 is the perfect choice for all kinds of situations. Its self-resonant design makes it perfect for any high power automotive, industrial, or military application. It is specifically designed to reject noise in the 10 kHz – 30 MHz frequency band, so it is perfect for noise elimination in both internal and external noise sources. In addition, the 4211R-12 offers excellent EMC shielding performance.

In terms of size, the 4211R-12 is quite small which makes it easy to install even in space-constricted applications. It is suitable for through-hole, surface mounted, and cable applications and is suitable for both leaded and leadless ceramic packages.

The working principle of the 4211R-12 ferrite bead is based on the same principles as any other ferrite bead. It is composed of a core made of a ferrite material surrounded by a conductive coil. The impedance of the ferrite core varies exponentially with frequency, which is why it is so effective at eliminating noise.

When a signal enters the ferrite bead, the coil creates a high impedance across the bead, blocking out the noise. The noise can then pass through the bead and be dissipated as heat. This helps to reduce the overall noise levels and provides improved signal-to-noise ratios.

The 4211R-12 is perfect for a wide range of applications, including automotive, military, industrial, consumer, and medical markets. Its high performance, low profile size, and excellent EMC shielding capabilities make it the ideal choice for any application that requires high performance signal noise suppression. So, if you need to reduce or eliminate noise in any of these applications, the 4211R-12 is a great choice.

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