CM2722R151R-10 Filters

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Common Mode Chokes

Common mode chokes are a type of electrical component used in various applications, including automotive, consumer, and industrial electronic systems. Common mode chokes are used to prevent noise on the signal lines while allowing desired current to flow. The purpose of a common mode choke is to block common-mode noise, which is noise that occurs when voltage levels between two wires or paths become equal. This type of noise can be caused by electromagnetic interference, voltage spikes, and changing electric fields.

Common mode chokes are frequently formed by winding two types of windings; an inductor and a capacitor, around a single ferromagnetic core. The two windings, being electrically isolated from each other, form a choke, or a low impedance path for the desired current and a high impedance path for the unwanted noise. The cores of common mode chokes, such as the ECM43B1015L inductors, are usually made of ferrite. The inductor serves to reduce local common mode noise on the lines, while the capacitor serves to reduce the impedance to higher frequency signals.

The CM2722R151R-10 is a common mode choke from Coilcraft utilized in various industrial, consumer, computing, and automotive applications. It is an effective component for eliminating common mode noise while allowing signal and power current to pass. This device provides excellent low-frequency isolation, a relatively high current-handling capability (shaped DCR curve), and a wide temperature range from -55°C to +125°C.

The CM2722R151R-10 works by utilizing the combination of the core type, the impedance required, and its composition of inductors, resistors, and capacitors connected in parallel and in series to form an inductive element. This device also contains moisture-resistant wires with a mix of insulation materials that enable it to be used even in temperatures as low as -55°C. When used in various application fields, the CM2722R151R-10 is capable of providing excellent common mode FM rejection, power line filtering, and AC line filtering.

The CM2722R151R-10 has a number of advantages that have made it a popular component for various applications, such as being capable of providing high-frequency common mode noise suppression, excellent EMI shielding, and effective power line isolation. This device is also RoHS compliant, making it a great choice for use in automotive, consumer, industrial, and computing applications. The CM2722R151R-10 is a perfect device for reducing common mode interference and providing power isolation.

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