CQ202-4MS

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Triac Type:	Internally Triggered
Voltage - Off State:	600V
Current - On State (It (RMS)) (Max):	4A
Voltage - Gate Trigger (Vgt) (Max):	1.75V
Current - Non Rep. Surge 50, 60Hz (Itsm):	--
Current - Gate Trigger (Igt) (Max):	9mA
Current - Hold (Ih) (Max):	5mA
Configuration:	Single
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-202 Long Tab
Supplier Device Package:	TO-202

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Thyristors - TRIACs: CQ202-4MS Application Field and Working Principle

Thyristors - TRIACs are a type of electronic switch that can control the current in an electrical device. These devices are widely used for meter reading, radio frequency and power control. The CQ202-4MS is a type of triac and this article will discuss the application field and working principle of the TRIACs.CQ202-4MS is a high-performance triac with built-in zero-crossing detection technology. It is used in various industrial controls, motor and pump controllers, air conditioning systems, and temperature controls. It is also suitable for use in domestic and commercial lighting applications.The CQ202-4MS is a bi-directional three-terminal silicon switch with four main characteristics: blocking voltage rating, allow current, On-state voltage and switching time. The blocking voltage rating is the peak blocking voltage that the triac can withstand before it breaks down. The allow current is the minimum amount of current the triac must pass before the triac can be activated. The On-state voltage is the voltage drop across the triac when it is in the conducting state. The switching time is the time it takes for the triac to reach its On-state voltage when it is activated.The CQ202-4MS is controlled by applying a small signal to the gate terminal. An electrical trigger is integrated into the device which will detect when the current passing through the triac reaches a certain level. The device will then be activated, which will cause the current to switch direction, on or off.The CQ202-4MS is designed to operate at a wide range of frequencies. This makes it ideal for use in motor control, dimmers, synchronous motors and other electrical devices. The device has a wide temperature operating range and is also able to withstand high surge currents.The CQ202-4MS has many advantages over other types of triacs. It has a much higher blocking voltage rating and operating temperature range, which makes it more suitable for use in higher-power applications. It also has a much faster switching time, allowing the user to precisely control the current in a much shorter period of time.In conclusion, the CQ202-4MS is a versatile and reliable triac which is used for a wide range of applications. Its blocking voltage rating, allow current, On-state voltage and switching time are all designed to optimize its performance and make it suitable for a wide range of applications. Its high surge capability makes it especially suitable for use in motor control, dimmers and other electrical applications. It is also a cost effective solution which is able to operate over a wide range of frequencies.

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