SRF3216-601Y

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Common mode chokes are used to reduce common mode interference, reduce ground voltage, reduce signal reflection, and reduce crosstalk. SRF3216-601Y are one of the most popular kind of common mode chokes. This article will discuss the application field and working principle of SRF3216-601Y.

Application Field

SRF3216-601Y is mainly used in flat panel radar, radio, automotive electronic and other industrial electronic applications. Specifically, it can be used in power line filter, signal line filter, industrial bus filter, ethernet interference filter, integrated circuit anti-interference protection, automotive power line filter, remote control anti-interference, etc.

SRF3216-601Y has many advantages. First of all, it has low impedance in the low frequency band. This design is suitable for application in the tiny power circuit with signal line and power line, which is able to reduce the amount of interference effectively. In addition, hot-melt technology improves electrical performance. The product has good mechanical strength and high temperature stability to adapt to harsh environmental use.

Working Principle

SRF3216-601Y common mode choke works by coupling the interfering signal onto two equal but opposite-polarity signal lines. The incoming interference, such as EMI (Electromagnetic Interference) or ESD (Electrostatic Discharge) is induced onto both signal lines by the coupling. Because the signal is of equal amplitude but opposite polarities, when it is combined at the point of capture, the interference signal is cancelled out.

The inductance of SRF3216-601Y common mode choke is composed of the inductance of the core and the leakage inductance. The inductance of the core is caused by the relative displacement of the two signal lines, and the leakage inductance is caused by the effect of external magnetic field on the core itself. In addition, the SRF3216-601Y is controlled by a sliding weight in the gap between its two windings, which adjusts the leakage inductance accordingly.

The SRF3216-601Y is ideal for signal line filter applications because of its low insertion loss at both low and high frequencies. Furthermore, it has excellent EMI attenuation characteristics and excellent EMI radiation characteristics.

Conclusion

In conclusion, SRF3216-601Y is a great example of a common mode choke that can be used in a variety of applications. It is versatile in its design and has an extremely low insertion loss for both low and high frequencies. It also has excellent EMI attenuation characteristics and excellent EMI radiation characteristics.

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