BTA410-800BT,127

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Thyristors - TRIACs

The BTA410-800BT,127 is a RoHs compliant, insulated gate bipolar transistor. It is used for power switches in electrical systems, due to its ability to control current flow in both directions (polarity) and its inherently short-circuit protection. It is also used in electric motor speed controls, electrical heating systems and motor control circuits.

This TRIACs chip is made up of a silicon-based control gate on one side, and two bipolar-type flows that can control AC current by allowing the flow of current in either direction. When the gate voltage reaches a certain threshold voltage, the idea being that the gate\'s electric field overrides the junction barriers preventing it, allowing current to pass through the central channel.

Because of its versatility, and thanks to its low on-state voltage losses, the TRIAC are suited for power switch applications, including phase control of AC currents, switching of DC loads, and variable speed control of AC motors. It\'s also used in the household appliances, power supplies, and basic industry applications.

The BTA410-800BT,127 is designed to handle a maximum current of 800A, with a normalized forward break-over voltage of 1,300V. It also has a short-circuit rating of 4V and a 1/32-cycle minimum turn-off time. It has a package size of 2.9 x 2.9 x 0.6 mm.

In terms of electrical applications, the BTA410-800BT,127 is typically used in high-power and high-frequency rectifier applications. In low-current, low-power applications, it can also be used to control switching in the repetitive, a.c. or d.c. condition. In applications where only one gate view is available, the BTA410-800BT,127 is used to control two successive switching cycles, allowing both negative and positive gate current.

The BTA410-800BT,127 is also ideal for phase control and variable speed applications, thanks to its zero-crossing detection in both the forward and reverse off-state modes, which assists in zero-crossing detection in the off-state of the TRIAC. This is followed by an accurate turn-off for phase control of AC loads, like those found in home heating systems.

The BTA410-800BT,127 also provides current limiting or short-circuit protection, making it ideal for use in low-power switching and control applications. When an electrical overload is detected, the chip will automatically switch off the power, protecting the circuit from damage.

Whether used in high-power or low-power applications, the BTA410-800BT,127 is a versatile and reliable transistor that is well-suited for a wide range of AC and DC switching applications. Its robust construction and high-performance features make it an attractive choice for industrial electronics, motor control, power switching, and AC motor speed controllers.

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