CM6460-106

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Common mode chokes (CM chokes) have been widely used in a variety of applications, due to their beneficial role in compliance with safety regulations and mitigation of high-frequency interference. The CM6460-106 is a type of CM choke created by TDK and is used in a variety of industrial and consumer electronics applications. This article will discuss the application fields and working principle of the CM6460-106.

CM6460-106 Application Fields

The CM6460-106 is a 1mmx4mm broadband common mode choke designed for high-frequency noise suppression. It is specifically used in applications where board space and weight are major factors, such as aerial devices, medical electronics, and drones.

The CM6460-106\'s main application is in telecom and communications systems. It is widely used as a filter in the sensing interface circuits of many digital telecommunication systems. It provides significant reduction in noise levels with minimal interference with the desired signals. It also features high-frequency suppression for High Speed Data Lines (HSDL) such as Gigabit Ethernet, Serial ATA (SATA) III, USB 3.0, and HDMI.

The CM6460-106 is also used in automotive electronic applications, such as car audio, anti-collision systems, engine control, and other safety systems. It has been widely adopted for non-isolated buck/boost DC-to-DC converters due to its small size and high frequency suppression capability. The CM6460-106 can also be found in consumer electronics, including laptops, cell phones, video game consoles, and digital media players.

Working Principle

The CM6460-106 is a type of inductive filter constructed from multiple coils of insulated copper wire. It acts as a low pass filter for common mode currents. The multiple coils form a magnetic field in the center, and the principle of electromagnetic induction is used to suppress high frequency signals. The common mode frequencies are shunted to ground through the CM6460-106, preventing them from propagating further in the circuit.

The CM6460-106 has a high insertion loss of up to 30dB, which is an indication of its efficacy. This high insertion loss ensures the common mode signals are suppressed before they reach the sensitive electronic components. The CM6460-106 also has a high impedance at all frequencies, thus ensuring that the filter does not affect the desired signals passing through it.

The CM6460-106 has a wide temperature range of -55°C to +125°C and a current rating of up to 0.5A. These features ensure that the filter performs reliably in demanding applications. The CM6460-106 also has a powerful shielding effect and meets UL 94V-0 flame retardant requirements.

Conclusion

In conclusion, the CM6460-106 is a type of common mode choke developed by TDK for use in high frequency noise suppression. It is widely used in telecom and communications, automotive, and consumer electronics applications. The CM6460-106 has a high insertion loss of up to 30dB and a wide temperature range of -55°C to +125°C. It has a powerful shielding effect and meets UL 94V-0 flame retardant requirements.

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