TF4333TU-501Y15R0-01

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Common Mode Chokes, commonly referred to as CM chokes, are an essential component for any type of electrical circuit. They are designed to reject common mode signals which are noise induced between a pair of lines, by forming a partially or fully balanced circuit. CM Chokes are used for a variety of applications, and TF4333TU-501Y15R0-01 is one such type. As a summary, we will discuss the application field of this product and the working principle.

Application Field

The TF4333TU-501Y15R0-01 is mainly used in AC switched-mode power supplies and other power electronics with vector-controlled inverter, as a vehicle for noise suppression. Additionally, this type of CM choke can also be used in contactless power transmission systems, automotive control systems, UAVs, smart factories, robots, as well as railway and other industry motion control systems that use three-phase stator flux vector reactionless control.

Working Principle

This CM choke works following the principle of mutual inductance. DNA inductors are used as core material. When a current flows through the primary winding of the choke, a magnetic field will be induced, and a voltage will be developed in the secondary winding proportional to the rate of change of current in the primary winding. This voltage, together with the magnetic field generated by this induced voltage, will be blocked from the circuit, thus blocking noise. With this blocking effect, the choke allows differential signals pass through while blocking noise and suppressing conducted emissions.

It should also be noted that the direction of the current passing through the winding of this CM choke can be either clockwise or counter-clockwise. When the current passes in the clockwise direction, the inductance will increase, whereas when it passes in the counter-clockwise direction, the inductance will decrease. The size of the CM choke can be reduced by simply adjusting the current direction, thereby saving space.

Conclusion

In conclusion, the TF4333TU-501Y15R0-01 is a CM choke that can be used in a variety of applications. It works following the principle of mutual inductance using a DNA inductor as a core material. The choke allows differential signals pass through while blocking noise and suppressing conducted emissions. Furthermore, the size of the CM choke can be adjusted by simply changing the current direction, thus saving space and reducing the overall system size.

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