Q2008RH4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The thyristor is a three-terminal solid state device which is used extensively for controlling power. A thyristor is basically a semiconductor device with a gate input and three terminals P, N, G. The gate input is an external control voltage which switches the thyristor between the off and on states. The TRIACs (Triode for Alternating Current) is a form of thyristor which has two terminals (N and G), and a third terminal (P) which is connected directly to the N terminal. TRIACs are commonly used in applications where the thyristor must switch both the positive and negative sides of the AC waveform.

The Q2008RH4 is a TRIAC that is specifically designed to be used in AC motor control applications. This TRIAC has a maximum Peak Off-State Voltage of 800V, a Peak Repetitive Off-State Current of 200mA, and a Gate Trigger Voltage of 4V. It is a low-power device which is able to switch up to 1A. As its name implies, the Q2008RH4 is able to switch AC currents, making it suitable for AC speed control applications.

The working principle of the Q2008RH4 is based on the process of "Gate Firing". When the Gate Voltage is applied to the Gate input, it generates a current which turns on the TRIAC and allows it to carry current to the load. The Gate Voltage must remain applied for a period of time in order for the TRIAC to remain in the conducting state, and the current that is applied must remain above a certain minimum voltage in order for conduction to take place. When the Gate Voltage drops below a certain value, the TRIAC will be turned off.

Due to its low-power characteristics, the Q2008RH4 is ideal for AC speed control applications such as fans and compressors. It is also well-suited for light dimming applications as it is able to handle high power loads such as LED lights. Additionally, it is suitable for controlling resistive loads and can also be used to control resistive loads such as solenoids, valves and step motors.

The Q2008RH4 is also useful for motor starting and stopping applications. It can be used to start and stop AC motors, as well as controlling their speed. It can also be used in conjunction with other thyristors to provide soft start and soft stop capabilities. Additionally, the Q2008RH4 can also be used to control DC motors in applications such as robot arms, conveyors and automatic doors.

In conclusion, the Q2008RH4 is a versatile TRIAC that can be used in a wide variety of AC control applications. It is capable of providing precise control over resistive and inductive loads, as well as providing soft start and soft stop capabilities. Additionally, it is suitable for light dimming applications, motor starting and stopping applications, as well as providing AC speed control.

The specific data is subject to PDF, and the above content is for reference