CMT908-H4-B

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Common mode chokes (CMCs) are electronic components used to reduce common noise or electromagnetic interference (EMI) between two or more circuits or devices. CMCs have a core of high permeability material that effectively reflects/absorbs a portion of the common noise. The CMT908-H4-B is a common mode choke designed for various applications where signal integrity and EMI reduction are required.The CMT908-H4-B is a low-profile, high-current common mode choke ideal for use in desktop and laptop computer power supplies, small home appliances, and other consumer electronics. It is rated to handle 4A of current and 40mΩ of impedance. It measures only 9mm (0.35in) in height, making it a compact and space-saving choice for applications where size is a concern. The CMT908-H4-B is a 4-pin device that is easily soldered into place. The four pins of the CMT908-H4-B are labeled + and -, and are connected to a source of DC power and a ground connection, respectively. The remaining two pins are connected to the circuit that the CMT908-H4-B is designed to protect.The working principle of the CMT908-H4-B is simple yet effective. As current passes through the common mode choke, some of the common noise or EMI is induced into the choke core, which then reflects the harmful noise away from the protected circuit. The choke core itself is made of a high permeability material that allows it to absorb the common noise and passes the desired signal without any significant losses. The CMT908-H4-B also features a ferrite core that provides maximum common mode current rejection without introducing excessive losses in the signal.The CMT908-H4-B is a versatile CMC that can be used in a variety of applications. Its size and low profile make it ideal for use in portable electronics and battery-powered devices. Its high-current rating and low impedance make it suitable for applications where high levels of transient noise are present. Additionally, its EMI filtering capabilities make it suitable for use in communication and networking systems.In conclusion, the CMT908-H4-B is a high-current, low profile common mode choke designed for applications where EMI reduction and signal integrity are paramount. It features a high permeability core and ferrite core for maximum common mode current rejection. Its size and low profile make it suitable for use in portable electronics and battery-powered devices. Its high-current rating and low impedance make it suitable for applications where transient noise is present. Its EMI filtering capabilities make it suitable for use in communication and networking systems.

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