B82504WA1

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Common Mode Chokes (CMCs) are the common solution to motor noise, both in the sensing and power transmission stages. They provide a highly efficient switch between the motor and the power input electrical current, thus reducing motor induced drive current by shielding the motor against electrical interference. The B82504WA1 is a CMC specifically designed to filter out the unwanted power transmission and noise generated from motors.

The B82504WA1 works on a principle of electromagnetic noise reduction. It is essentially two single-channel CMC components in one package, providing double shielding effect from the power input to the motor. The two components have a common ground, one for power input and one for the motor output. The two components are encapsulated by a disc and a core of high-density ferrite material, ensuring the maximum shielding. The shield is an integral part of the device, eliminating the need for foil windings and allowing the CMC to be used at frequencies up to 1 MHz.

In terms of application, the B82504WA1 is a very versatile component. Its wide acceptable frequency range makes it suitable for a wide variety of applications, ranging from powering of low-voltage DC motors in consumer goods and automotive to providing shielding from power line noise in RF-sensitive electronic equipment. The component is designed to be used with a differential line of 12V to 48V, and is capable of handling currents up to 100mA. It has a high current carrying capacity and can withstand transient loads of up to one minute. This makes it suitable for use in high-temperature environments, such as automotive and industrial applications.

The B82504WA1 is designed to reduce electromagnetic interference and provides superior power-line filtering across a range of frequencies. As a result, it can significantly reduce the internal power dissipation of a motor, leading to increased efficiency. In addition, the use of the embedded shield eliminates the need for additional isolator, which further enhances overall power supply efficiency. This makes the B82504WA1 a preferred solution in applications where power efficiency is essential.

In summary, the B82504WA1 is a highly efficient and versatile CMC that can be used to reduce power line noise, enhance system efficiency, and improve the overall performance of a power system. It is designed to work with 12V to 48V differential lines and can handle up to 100mA of current. Its embedded disc and ferrite core also provide superior shielding effect from power line interference, which further improves system performance.

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