B82746S4103A021

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Common Mode Chokes are components that are multiple supported ferrite-beads mounted on one PCB. They are used primarily for filtering high-frequency EMI/RFI noise on power and signal lines. The B82746S4103A021 is designed specifically for EMI filtering applications. It contains 2 +/-33uH chokes and 4 0.1uF capacitors. The choke and capacitor share a common ground connection.

The main purpose of the B82746S4103A021 is to reduce common-mode radiation and interference of the high-frequency signals from the power and signal lines. The two choke inductors on the board act as a low-pass filter that blocks any high-frequency signals while allowing the lower frequency signals to pass through. The capacitors also act as a filtered circuit, blocking any high-frequency noise.

The B82746S4103A021 is most commonly used in automotive and industrial applications. It can be used in conjunction with other noise absorbing devices, such as ferrite beads, to reduce EMI noise on power and signal lines in automotive and industrial equipment.

In automotive applications, the choke is used to reduce the amount of EMI radiated from the vehicular wiring and from conducted EMI. The choke is also used to reduce the amount of common-mode noise between different components, such as fuel injectors, injector driver circuits, and ignition coils. In industrial applications, the choke is used to reduce conducted EMI in a wide variety of machinery, from pumps to motors to assembly lines.

The B82746S4103A021 also works as a shield to protect nearby equipment from the radiation of EMI. This shielding effect helps to reduce the amount of crosstalk between different pieces of equipment that may be operating in the same area. The choke also provides protection of nearby devices from electrostatic discharge (ESD).

The working principle of the B82746S4103A021 is based on the electromagnetic principle of inductance. When an AC signal is applied to the choke, the inductors on the board create a magnetic field that blocks high-frequency signals. The capacitors on the board act as a filter, blocking any high-frequency noise. The common-mode choke and capacitor combined create a low-pass filter that only allows the lower frequency signals to pass through, reducing EMI noise.

The B82746S4103A021 is a reliable, efficient, and cost-effective solution for reducing noise in automotive and industrial applications. It can also be used as a shield to protect nearby equipment from the radiation of EMI. The B82746S4103A021 is a great choice for reducing EMI/RFI noise on power and signal lines.

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