B82506WA4

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Common Mode Chokes, also known as line filters, are widely used in many power supplies and electronic circuits that transmit and receive data. The term “common mode” refers to the fact that they are used to filter out interfering electromagnetic signals that travel through the same wires in the same direction. B82506WA4 application field and working principle is such a component.

The B82506WA4 is an encapsulated common mode choke designed to suppress conducted common mode and differential mode interference. It is suitable for filtering in communication systems, power supplies, and industrial automation. Its front-end filtering can suppress differential mode interference from the power source. Its rear-end filtering takes care of common-mode interference from the load.

The B82506WA4 filter consists of two parts. The first part of the filter is a coil and two ferrite beads. The coil and ferrite beads are used to absorb common mode interference before it reaches the load. The second part of the filter is made of a capacitor and inductor. The capacitor and inductor are used to block the differential mode interference before it can cause problems with the power source. The combination of both parts helps reduce the overall interference with the system.

The B82506WA4 is designed to operate in the frequency range of 10 kHz to 250 MHz. Its impedances and characteristic impedances are designed to be low enough to be effective in suppressing EMI and RFI. The impedance of the filter is adjustable by changing the number of turns in the coil. It is designed to operate in temperatures ranging from – 40℃ to +125℃.The B82506WA4 has high current carrying capacity and it can be used in applications where large currents are present.

The working principle of the B82506WA4 is that it filters out conducted interference by absorbing it in the coil and ferrite beads. The coil acts as a low-pass filter that reduces the amplitude of any interference that passes through it. The ferrite beads absorb the interference before it can reach the load. The capacitor and inductor then act as a high-pass filter that blocks interference travelling in the opposite direction. This helps to ensure that the power source is not affected by the interference.

In conclusion, the B82506WA4 is a component found in common mode chokes, providing a robust solution to filter interference in many applications. Its low impedance and adjustable turns allow for a wide range of adjustment and customization. Its combination of two parts, coil and ferrite beads to absorb common mode interference and capacitor and inductor to block differential mode interference, makes it an effective interference suppressor. Moreover, its temperature range and current carrying capacity make it suitable for many applications.

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