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Thyristors - TRIACs: L4008L6 application field and working principle

Thyristor-TRIACs are semiconductor devices typically used for alternating current (AC) applications. One of the most popular examples of a Thyristor device is the L4008L6. In this article, we’ll discuss the L4008L6’s application field and working principles.

What is the L4008L6?

The L4008L6 is an optically coupled triac-switch with built-in resistance-capacitance (RC) units. It is manufactured by Sanken Electronic Co., Ltd., and is used in applications requiring long life and high surge voltage. The L4008L6 is a particularly useful component because it activates and deactivates quickly due to its light emitting diode side. In addition, it has short ON/OFF switching time, low ON voltage, and isolated construction.

How does the L4008L6 work?

The L4008L6 is an optically coupled thyristor-triac device. It is activated when light falls onto the light emitting diode, which generates an electric current that causes the triac to “switch on”. The resistance-capacitance (RC) units then release the electric current, causing the triac to switch off. This process can be repeated numerous times, as every pulse of light signals a switch-on or switch-off.

Applications of the L4008L6

The L4008L6 is a useful component in a wide range of AC applications. It is commonly used in motors and electrical devices such as lights, fans, washing machines, and air conditioners. It is also used in other power control systems and audio systems. Furthermore, the L4008L6 can be used in home improvement projects such as lighting automation systems.

Conclusion

The L4008L6 is a Thyristor-TRIAC based component specifically designed for alternating current (AC) applications. It is capable of rapidly switching between on and off states, and has a long life and high surge voltage. It is most commonly used in several AC applications such as motors, power systems, and audio systems. The L4008L6 is a reliable and versatile component which can be easily incorporated into many home improvement projects.

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