Q6008RH4

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Thyristors are special type of semiconductor devices that are most commonly used for direct switching operations. They can be used to switch both high and low voltage levels, and are widely used for power control in industrial settings. The family of Thyristors includes TRIACs, which are three-terminaled devices that provide bidirectional current flow. Amongst others, the Q6008RH4 is a 200V TRIAC that has been developed to be employed in a vast number of applications.

The Q6008RH4 is an ultrafast, high voltage TRIAC designed to provide robust, reliable performance in the most challenging of environments. It is designed to have high dynamic performance, and offers excellent gate sensitivity as well as minimal VBO. Thanks to its design, the Q6008RH4 has an extensive application field that ranges from being employed in domestic appliances, business machines, lamps and lighting systems, appliance and motor control systems, heating and cooling systems, inverters, AC/DC converters, and welding machines. Furthermore, the Q6008RH4 offers a high surge capability that allows it to be used in multiple applications.

The working principle of the Q6008RH4 is based on its three-terminal construction. This is based on two PN junctions (JB1 and JB2) that are connected in parallel. When a current greater than the constraining current is applied to the gate (GG), an avalanche current occurs, allowing both terminals MT2 and MT1 to be short-circuited. That current is then maintained by the thyristor, thanks to the presence of a positive temperature coefficient of resistance. As a result, the current can only be shut off when the forward current decreases to the quantity of the holding current.

In summary, the Q6008RH4 is a high voltage TRIAC that can be used in various applications, such as domestic appliances, business machines, inverters, and welding machines. It is designed to provide robust, reliable performance in the most challenging of environments, thanks to its high dynamic performance and gate sensitivity. Additionally, it works by making use of two parallel PN junctions and an avalanche current that switches on and off depending on the constraining current. As such, the Q6008RH4 is ideal for applications where continuous operation is required.

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