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Thyristors - TRIACs

Thyristors, more specifically TRIACs, are a family of semiconductor devices within the thyristor family that are widely used to control and regulate AC power in a number of different applications. The acronym ‘TRIAC’ stands for Triode for Alternating Current, and this type of thyristor can be used for various different functions, such as controlling and regulating power in things like lighting, heating and motor control systems.

The QK016LH3 is a type of TRIAC and is specially designed for AC motor control. It operates by controlling the AC voltage of a motor and is designed to provide regulated speed control. It features bidirectional conduction of both anode and cathode and is capable of controlling high-power inductive load applications.

Working Principle of QK016LH3 TRIAC

At its most basic level, a TRIAC is a type of thyristor that consists of two N-type material regions separated by a P-type material. When an external current is applied to the device, it creates a forward bias current that turns on the device and allows current to flow through the device. However, this current will not flow through the device until a certain voltage has been applied across the N-type and P-type regions of the device. When the required threshold voltage has been reached, the TRIAC will turn on and current will be allowed to flow through the device.

In the case of the QK016LH3, the device works by controlling the AC voltage of a motor. The device is triggered by an external AC signal that is applied to the gate of the device. When the signal is applied, it creates a forward current bias that causes the TRIAC to turn on and begin to conduct current through the device. The AC signal then controls how the device conducts current and regulates the output AC voltage of the motor.

The QK016LH3 is designed to have a long lifetime and prevent durability loss over time. It features a maximum holding current of 4A and a maximum peak off-state voltage of 700V. It also features fast switching capabilities, low forward voltage drop and a low thermal resistance junction.

Applications of QK016LH3 TRIAC

The QK016LH3 is typically used for applications that require the regulation of AC power, such as motor control, lighting and heating systems. It is particularly well-suited for controlling high-power inductive loads, such as AC motors. It is also used in applications such as office automation equipment, power supplies, home appliances, and industrial equipment.

The QK016LH3 can also be used in a variety of other applications that require the control of AC power, such as air conditioners, compressors, pumps, and more. It can also be used in other applications such as motor starters, solenoid controllers, and lighting systems.

The QK016LH3 is a powerful and reliable TRIAC that is ideal for a variety of applications and can be used for controlling AC power in a wide range of applications. It is designed to provide excellent performance, long-term reliability and durability, and easy installation.

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