CM08RA20

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Common Mode Chokes (CMCs) are an essential component in any electrical system, designed to reduce the electromagnetic interference (EMI) that is generated by high-frequency signals traveling through electrical circuits. CMCs work by inducing an opposition to the alternating electrical current that is in excess of that of the DC and AC components of a signal. The resistance generated by the CMC limits the rise in any potential electromagnetic disturbances that can interfere with nearby wiring.

The CM08RA20 is a common mode choke that provides both excellent differential and common mode noise attenuation in applications that require high-frequency signal filtering. It is designed to fit standard through-hole Lug Receptacle enclosures. The choke features a small RF high-frequency inductance of 4.35uH and a low-frequency inductance of 14.2mH. It has a rated impedance of 2,000 ohms and can handle currents up to 1.8 A. The CM08RA20 is designed for a peak rated voltage of 150 VDC and a peak rated current of 2.0 A.

The working principle of the CM08RA20 is based on the concepts of mutual inductance and inductive reactance. Mutual inductance is a measure of the amount of inductive ‘coupling’ that occurs when two coils (or chokes) are in close proximity. This inductive reactance opposes the flow of current, resulting in the CM08RA20 regulating the high-frequency components of an alternating current, while allowing the DC and AC components to pass unimpeded. The CM08RA20 also features an effective screening shield and a precise binding wire system to reduce high-frequency interference.

The CM08RA20 can be used in a variety of applications that require filtering or dampening of high-frequency noise, such as switching power supplies, motor control circuits, inverters, and step-up circuits. The superior filtering capabilities of the CM08RA20 make it ideal for use in precision equipment where clean, noise-free signals are required. It provides excellent protection against electrostatic discharge (ESD) and electro-magnetic interference (EMI).

Additionally, the CM08RA20 is designed to fit the Lug Receptacles. This makes it ideal for use in industrial environments where space is at a premium due to its small form factor. The lug receptacle ensures secure mounting and connections and is capable of withstanding vibration, shock, moisture, and other environmental factors. This ensures reliable performance and prolonged longevity, even under harsh and hazardous conditions.

In conclusion, the CM08RA20 is a excellent choice for high-frequency noise filtering in any application. Its superior noise dampening properties, combined with its small form factor and secure mounting capabilities, make it the ideal choice for any EMI/ESD/EMC environment.

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