SRF0905A-250Y

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Common Mode Chokes, commonly known as CM chokes are passive electrical components used to suppress the wide-band common-mode electromagnetic interference and electrical noise. A SRF0905A-250Y is a wire-wound, common-mode filter inductor, with small size, low-profile design, and low-profile design. The SRF0905A-250Y has excellent mechanical strength and features a low DC resistance, low self-inductance, and low leakage inductance.

The SRF0905A-250Y is mainly used for common-mode interference suppression of power supply cables in applications such as computers, digital cameras, medical systems, home refrigerators, air conditioners, DVD players, and office equipment. It is also suitable for display cables, audio wires, power supply wires, and communication cables.

The SRF0905A-250Y are devices that reduce the amount of common-mode interference or electrical noise that passes through the cables that connect the system components to the power supply. These devices contain two inductors, which are connected in parallel, but are inductively coupled to each other, and placed in close proximity to the transmission line. This allows the device to act like an electric filter, blocking high-frequency common-mode noise that passes through the wires. The SRF0905A-250Y filter also features an ultra-low DC resistance, which enables the device to be used to make AC connections via a DC link.

The working principle of the SRF0905A-250Y is based on the inductive-type filter. The inductors are wound in opposite directions and connected in parallel. When the cables pass through the SRF0905A-250Y, current flows through the two inductors in opposite directions. This creates an inductive effect, which serves to suppress the common-mode noise. The SRF0905A-250Y is also designed to reduce the residual common-mode current, which can be generated by the cables themselves.

The SRF0905A-250Y filter is well-suited for use in different applications, due to its small size, high efficiency, and low DCR. It is widely used in power supplies, digital cameras, medical systems, home appliances, digital audio devices, and in any other application that requires the suppression of common-mode interference. The SRF0905A-250Y is also suitable for use in communication cables and other types of cables, providing effective EMI suppression.

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