SU10VFC-R20010

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Common Mode Chokes, specifically the SU10VFC-R20010, are devices designed to reduce or eliminate common mode emissions associated with electrical circuits. By attenuating conducted or radiated interference noise, they can improve the overall signal integrity of a system to reduce interference and improve EMC performance.Common Mode Chokes (also known as line filters or differential mode chokes) are used in many different types of systems (e.g. AC/DC, LED lighting, Ethernet, and CAN bus), where small changes in electrical noise levels can have a dramatic effect on the system’s performance. By utilizing a Common Mode Choke’s inductance, the device creates a magnetic field energy which counters unwanted electrical noise.This particular part type—SU10VFC-R20010—is a common mode choke designed for compliance with EMC regulations. It is a double choke with two C-shaped cores made from a powdered ferrite material. The two C-shaped cores are connected to each other through an additional winding, forming an inductor of 3.0 mH. The choke is designed for a rated voltage of 400 VAC, with peak AC current capability of 50 A.The SU10VFC-R20010 is particularly useful in applications where high-voltage AC signals are used (such as lighting and power conversion). Its 3.0 mH inductance reduces conducted electromagnetic emissions and re-radiated emissions, thus improving EMC compliance and signal integrity of circuits. The choke also reduces common mode noise on the lines, improving overall system performance.In addition, the SU10VFC-R20010 also has excellent noise attenuation properties. It has a DC bias capacity of up to 14 V, which ensures it is capable of blocking DC load currents while still providing protection against common mode noise. The C-shaped core is also designed to have high dielectric strength, which can help protect against transients and spikes in voltages.Overall, the SU10VFC-R20010 is an excellent choice for applications where conducted and radiated electromagnetic interference is an issue. Its 3.0 mH inductance, high dielectric strength, and excellent DC bias capability make it an ideal solution for EMC compliance and improved system performance. As such, it is an attractive choice for many applications where high-voltage AC signals are used.

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