CQ220-6MS

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Triac Type:	Internally Triggered
Voltage - Off State:	600V
Current - On State (It (RMS)) (Max):	6A
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Current - Non Rep. Surge 50, 60Hz (Itsm):	--
Current - Gate Trigger (Igt) (Max):	5mA
Current - Hold (Ih) (Max):	15mA
Configuration:	Single
Operating Temperature:	-40°C ~ 110°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3
Supplier Device Package:	TO-220

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Thyristors - TRIACs are a type of semiconductor device, often referred to as a three-terminal device. This is because it has three main terminals, usually labeled as the anode, gate and cathode. The TRIAC is a form of thyristor that is designed to handle two alternating half-cycles of current. It functions as a solid-state switch allowing it to be used for controlling both AC and DC voltages and currents. One of the semi-conductor device\'s most common applications is in using AC light dimmers. More specifically, CQ220-6MS is a triac with a maximum reverse blocking voltage of 200V and a maximum on-state current of 6A (RMS). It is used in applications such as general purpose AC switching and phase control applications, including lamp and heater control, motor speed control and power plane control. In terms of its working principle, TRIACs work similarly to their close cousin, the thyristor. When a current is applied to the gate terminal, the current flows through the PN junction, making it conductive and allowing current to flow through the other two terminals. When the gate voltage hits the gate firing voltage then the TRIAC starts conducting, and current can flow in both directions through the two other terminals.Whenever the phase control voltage is cut, the TRIAC goes over to a blocking mode and its gate current is becoming almost zero. This aids in providing protection from the over-voltage and over-current due to the phase control voltage. The TRIAC then remains in the blocking mode and can be switched on by firing the gate. The CQ220-6MS is a great choice for applications in general AC switching and phase control applications due to its high current handling capability and high surge voltage as well as low gate charge. It is also great for applications where fast turn-off capabilities are needed. Its reverse blocking voltage allows the TRIAC to be used in applications where there is a high reverse voltage. In conclusion, TRIACs, such as the CQ220-6MS, are a great choice for applications in general AC switching and phase control. They are able to control both AC and DC voltages and currents, they offer high current handling capabilities, they have a high surge voltage, and they have low gate charge. Furthermore, they can provide protection from over-voltage and over-current due to the phase control voltage, and they also have a high reverse voltage.

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