LCE6.5-E3/73

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TVS (Transient Voltage Suppressor) diodes are used to protect sensitive circuits from the possible destruction caused by high voltage spikes and transients found on data and power lines. One such device, LCE6.5-E3/73, offers protection from overvoltage transients with an operating voltage of 6.5V and a peak power dissipation of 73W.

The LCE6.5-E3/73 is an unidirectional TVS diode designed for applications where the primary source of surge energy is bidirectional; for example, any situation in which a capacitively coupled source is used. Since the diode is connected in a reverse blocking mode, the only current flow is when the reverse voltage exceeds the maximum peak working voltage of 6.5V. When this occurs, the diode quickly acts to dissipate the transient energy.

When the transient dissipates, the diode reverts to its low dynamic impedance state, allowing the full circuit functionality. This helps to illustrate the dual purpose of a TVS diode – to absorb overvoltage transients and to reduce circuit impedance. The device also serves as a current limiter when the surge levels exceed the allowable maximum.

In terms of applications, the LCE6.5-E3/73 is mainly used in electromechanical and electronic equipment as an overvoltage protection device. It is also particularly suitable for applications with high switching frequencies such as DC/DC converters, power supplies, motor drives, and DC motors. Additionally, it can be used in ESD sensitive components due to its low dynamic capacitance ratings.

In conclusion, the LCE6.5-E3/73 is a robust and reliable TVS diode designed for protection against overvoltage transients. It is designed to absorb surge energy quickly and efficiently, while reducing impedance in the process. Its peak power dissipation of 73W is more than sufficient for a wide range of applications, from power supplies to ESD sensitive components.

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