RD5122-16-2M0

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Common Mode Chokes are widely used in radio frequency interference (RFI) suppression and signal integrity functions. The RD5122-16-2M0 is a type of Common Mode Choke that is able to suppress the emission of capacitive and inductive interference, and to act as a filter in signal transmission.

General Application

The RD5122-16-2M0 Common Mode Choke is used in low frequency signal filtering applications and conforms to the requirements of UL1414 EMV certification, as such it can be found in many types of electronic equipment. It is suitable for applications that require a high degree of EMC performance and reliability. Examples include computers, industrial and medical equipment, power systems, and many other systems where EMI/RFI noise source must be suppressed.

Working Principle

The RD5122-16-2M0 Common Mode Choke works by forming an inductive path in which the noise or interference is blocked from other parts of the system. This prevents the interference from being transmitted further and thus the system remains operational. The RD5122-16-2M0 choke works using four layers of thin, corrosion-resistant copper alloy wires, that are soldered between a pair of terminals. The four layers of wires form a E-core that trap the interfering signals, preventing them from spreading.

Dynamic Impedance

The RD5122-16-2M0 is designed to offer low dynamic impedance. This is achieved by tightly winding the copper alloy wires around the E-core to create a more effective shielding system and to reduce the parasitic capacitance. This tight winding increases the inductance of the choke, as well as improving its ability to reject interference. The low dynamic impedance of the RD5122-16-2M0 means that it is able to suppress noise over a wide frequency range, from 0 Hz to 20 MHz with high rejection.

Features

The RD5122-16-2M0 offers several performance advantages. It has a wide operating temperature range of -40 to +125°C. It is also designed with a long lead life of 2000 hours, ensuring a reliable operation for a long period of use. Additionally, the noise rejection level and the dynamic impedance are well controlled. The RD5122-16-2M0 has a high self-resonance frequency that is well above 20MHz, ensuring that no interference is generated. Overall, the RD5122-16-2M0 Common Mode Choke offers excellent performance and reliability.

Conclusion

The RD5122-16-2M0 Common Mode Choke is a widely used component in many electronic systems. It is designed with an E-core, four layers of thin copper alloy wires, and offers low dynamic impedance. The choke is able to effectively reject interference over a wide frequency range up to 20MHz. It also offers a wide operating temperature range and long lead life. The RD5122-16-2M0 is an ideal component when noise emissions or signal integrity is a major concern in applications.

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