7350-H

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Common Mode Chokes are inductive components that are designed to keep currents flowing within the same phase or uniform direction. This is done by creating a magnetic field that restricts the AC current to the same path while allowing DC current to freely pass through the coils. The 7350-H series of common mode chokes are a type of miniature common mode choke made by Coilcraft, Inc.

The 7350-H series is made from a shielded construction and is used in applications where large out of-phase currents are expected. Due to its miniature size, the 7350-H is ideal for use in tight spaces where limited space is an issue. It is made from a plastic-shielded construction, which helps reduce the overall size and weight.

The 7350-H series is available in four different configurations: the 7350-H1, 7350-H2, H3, and H4. These four models have an operating frequency of 100kHz, a rated current of 10mA, and an operating temperature range of -40°C to +125°C.

The 7350-H series is ideal for EMI/RFI filtering applications in industries such as automotive, medical, computing, and communications equipment.

The working principle of the 7350-H series revolves around a polarized shield. The shield acts as a Faraday cage, which redirects the electric field lines in the shield back to the core of the choke. This has the effect of creating two components: the first is the common mode component, which does not distort the signal, and the second is the differential mode component, which distorts the signal significantly.

The common mode component of the 7350-H series works by creating a magnetic field which prevents the AC current from flowing outside the wires in the signal. This means that the AC signal which is passing through the choke will remain in the same phase and uniform direction.

The differential mode component of the 7350-H series works by allowing the DC current to freely pass through the coils. The DC current will then be forced to flow in the opposite direction to the original AC signal, thus creating a differential inductance noise that will be out of phase with the original signal. This is why the 7350-H series is particularly effective for EMI/RFI filtering.

The 7350-H series of common mode chokes is the perfect solution for applications which require high EMI/RFI suppression. Its small size makes it ideal for use in tight spaces, and its shielded construction ensures that the signal remains intact. With these benefits, the 7350-H series of common mode chokes is an excellent choice for EMI/RFI filtering applications.

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