2744045446

Series:	--
Part Status:	Active
Filter Type:	Signal Line
Number of Lines:	2
Impedance @ Frequency:	60 Ohms @ 100MHz
Current Rating (Max):	--
DC Resistance (DCR) (Max):	--
Voltage Rating - DC:	--
Voltage Rating - AC:	--
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Approvals:	--
Features:	--
Mounting Type:	Surface Mount
Size / Dimension:	0.220" L x 0.350" W (5.60mm x 8.90mm)
Height (Max):	0.120" (3.05mm)

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Common Mode Chokes

Common mode chokes (also referred to as CMCs) are electrical devices used to reduce common-mode electromagnetic interferences (EMI) from electronic circuits. CMCs are used in a wide variety of applications, ranging from automotive audio systems to data processing systems in automation industry.The working principle of CMCs is relatively simple. They are designed with two coils, one of them wound in the opposite direction to the other. The device acts as a filter and redirects any common-mode noise, or EMI emitted from a circuit, into one of the two coils. The alternating current flowing in the coils induces a opposing force, which in turn cancels out and reduces the amount of noise or EMI emitted. CMCs are typically more effective at eliminating common mode interference than other more traditional techniques, such as shielding or ground planes, due to the fact that the coils are wound in the opposite direction. This prevents the interference from being re-radiated from the central point of the coil. As a result, CMCs are ideally suited for use in automotive audio systems, where shielding and other techniques are either expensive or impractical.CMCs are also highly effective for use in data processing systems in the automation industry. Common mode chokes can help to reduce unwanted EMI from machines or servers that are handling a lot of data, or from machines that are operating in a high-risk environment. By reducing the amount of interference from these types of machines, they can operate more efficiently and effectively.Common mode chokes are also used in high-frequency telecommunications equipment, such as mobile phone base stations. They can ensure that the frequency signals being transmitted and received by the base station are not affected by EMI from other sources.In summary, common mode chokes are an extremely effective way of reducing unwanted EMI from a variety of electronic systems. They are cost-effective, simple to install and highly effective. They have a proven track record in providing proven levels of EMI reduction in a wide range of applications.

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