BTA45-800BQ

Series:	--
Part Status:	Active
Triac Type:	Standard
Voltage - Off State:	800V
Current - On State (It (RMS)) (Max):	45A
Voltage - Gate Trigger (Vgt) (Max):	1.3V
Current - Non Rep. Surge 50, 60Hz (Itsm):	450A, 495A
Current - Gate Trigger (Igt) (Max):	70mA
Current - Hold (Ih) (Max):	80mA
Configuration:	Single
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-3P-3, SC-65-3
Supplier Device Package:	TO-3P

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Thyristors – TRIACs

Thyristors – TRIACs is a class of semiconductor-based devices that includes TRIACs, which are used in many applications as a form of electrical switch. The BTA45-800BQ is a four-terminal device that is widely used in industrial applications due to its combination of low on-state losses and rugged construction. The device is capable of handling up to 800V of voltage and 45A of current, making it suitable for a variety of tasks. The BTA45-800BQ is a four-layer device consisting of two anode layers and two cathode layers with a common gate. The anode and cathode layers are connected to the opposite terminals on the device, while the common gate is connected through an insulating barrier to a third terminal. When a voltage is applied between the two anode terminals of the BTA45-800BQ, it conducts current between the anode and the cathode terminals. In terms of its application field, the BTA45-800BQ is mainly used in circuits that require fast switching. These can include power supplies, motor control circuits, automotive systems, and general-purpose switches for circuits such as fans, lights, and HVAC systems. Its fast switching speed makes it ideal for applications that require high-frequency response. Additionally, its low on-state voltage drop allows for more efficient power delivery in motor applications. The general working principle of the BTA45-800BQ is that of a four-layer device. When a gate voltage is applied, it causes the gate oxide to break down, resulting in a current path between the anode and cathode. As the voltage is increased, the device increases its current-carrying capacity up to device ratings that are determined by the designer. When the voltage is decreased, the current path is severed, allowing it to behave as an open switch. The BTA45-800BQ also has several features that make it an ideal device for industrial applications. For example, its fast switching time allows it to respond quickly to control signals, making it suitable for controlling high-frequency applications. Additionally, it has excellent temperature and power handling characteristics, making it suitable for applications that require precision control. Furthermore, its rugged construction makes it capable of handling large voltage and current transients without degrading performance. To summarise, the BTA45-800BQ is a four-layer device that is mainly used in applications requiring fast switching. It is capable of handling up to 800V of voltage and 45A of current, making it ideal for a variety of tasks. Additionally, it has excellent temperature and power handling characteristics with a low voltage drop. Finally, its rugged construction makes it capable of managing large voltage and current transients without degrading performance.

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