ACTT6B-800E,118 Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Triac Type:	Logic - Sensitive Gate
Voltage - Off State:	800V
Current - On State (It (RMS)) (Max):	6A
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Current - Non Rep. Surge 50, 60Hz (Itsm):	51A, 56A
Current - Gate Trigger (Igt) (Max):	10mA
Current - Hold (Ih) (Max):	25mA
Configuration:	Single
Operating Temperature:	125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package:	D2PAK
Base Part Number:	ACTT6

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Thyristors - TRIACs: ACTT6B-800E,118 Application Field and Working Principle

Thyristors, or Triacs, are semiconductor devices used in a wide range of electrical applications. They are widely used in power electronics, and are considered essential components of modern infrastructure. The ACTT6B-800E,118 Triac is a three-terminal NPN device with a special voltage-controlled gate. The device is designed for low-power applications that require high voltage switching, such as motor and light control. This article will explore the application field and working principle of the ACTT6B-800E,118 Triac.

Application Field

The ACTT6B-800E,118 Triac is used in a wide range of applications. One of the most common is in lighting control systems. The device can be used to control the intensity of a light, as well as the timing of a light\'s duration or cycle. This can be used in residential buildings, such as home automation, or commercial premises such as a restaurant or retail store, to adjust the brightness and duration of the lights according to the time of day.The Triac is also used in motor speed control. Its two-terminal output can be used to control the speed of motors, allowing them to run at a preset speed. This primary application is used in a variety of industrial processes, such as factory assembly or packaging lines. The Triac can also be used in variable frequency applications, where the motor speed is cyclically adjusted in order to optimize the process.

Working Principle

The ACTT6B-800E,118 Triac is a three-terminal NPN device with special voltage-controlled gate. The three terminals are anode, gate, and cathode. The anode terminal is connected to the power source, while the cathode is connected to the load. When a voltage is applied to the gate, the current between the anode and the cathode is increased, thus allowing the load to be driven.The Triac works on the principle of avalanche breakdown, which is the process by which electrons are forced through a silicon semiconductor junction. In this case, the avalanche process creates a current path from the anode to the cathode. When the gate voltage is applied, it increases the current flow by eliminating the resistance of the junction between the anode and the cathode. This causes the anode-cathode voltage to drop, allowing the device to be triggered.The Triac is designed for low-power applications, as the operating current for the Triac is very small. As a result, it can operate with a gate voltage in the range of 1 to 3 Volts, and the current through the device is typically limited to 8 amps.

Conclusion

The ACTT6B-800E,118 Triac is a three-terminal NPN device with a special voltage-controlled gate. It is used in a wide range of applications, including lighting control and motor speed control. The device works on the principle of avalanche breakdown, which allows electrons to pass through a silicon semiconductor junction. The operating current is very low, allowing the device to switch on with a gate voltage in the range of 1 to 3 Volts.

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