SRF2012-901Y

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Common Mode Chokes, also known as CM chokes, are used to reduce EMI emitted from electrical devices or reduce EMI interference. Common Mode Chokes permit only desired current and suppress common-mode currents. SRF2012-901Y is a type of Common Mode Choke. It operates in the frequency range of 50Hz to 1GHz with 50Ω impedance. This product also provides high insertion loss, which can greatly reduce electrical noise.

SRF2012-901Y is made up of a ferrite core and multiple winding on the core. Different types of cores are used for the different frequency ranges. The magnetic flux within the core is generated by the current flowing through the windings, causing a reluctance force, which in effect chokes the higher frequency signals. The main aim of Common Mode Chokes is to reduce noise, attenuate common mode interference, and provide a high quality signal.

The working principle of SRF2012-901Y is relatively simple. It works by using the induction principle of the transformer. The choke consists of 2 sets of windings around a common core, one of which is connected to the differential line, while the other winding is mostly connected to the chassis ground. Current is induced in the winding connected to the chassis ground, which in effect limits the amount of common-mode current, thereby reducing EMI noise. The inductor works by providing the impedance to block any common-mode current.

The SRF2012-901Y has a wide range of applications in for various industries. It can be used for RF shielding, such as in cell phone base station antennas, in low power applications such as telecommunications, and data communications and VoIP applications. It can also be used in medical device applications, and for automotive applications, including electric vehicles. Furthermore, it has applications in components such as antennas, filters, amplifiers, linear equipments, and oscillators.

In conclusion, SRF2012-901Y is a type of Common Mode Choke, designed to reduce EMI noise and interference. It is suitable for a wide range of applications such as RF shielding, telecommunications, medical device applications, and more. Furthermore, it is easy to install due to its small size, and is relatively low-cost. It is the perfect solution for reducing EMI interference in various applications.

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