T5071080B4AQ

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Thyristors – SCRs (silicon-controlled rectifiers) are electronic components whose operation replaces the classical mechanical system of controlling current with electrical signals. The T5071080B4AQ is a specific type of SCR which is designed to provide maximum current control in applications such as lighting, HVAC, and motor control. In this article we will discuss the application field and working principle of this device in detail.

The T5071080B4AQ is a 3-pin, 4-quadrant AC (alternating current) Thyristor, able to handle currents up to 1.2kVA. It is a sensitive gate device, with a maximum on-state voltage drop of 1.7 volts and a gate current of a mere 30mA. This makes it an ideal choice for controlling devices which require high current levels without introducing significant power losses. It is capable of handling up to 600Vac in off-state and is rated for up to 850V in on-state.

The application field of this device includes a wide range of applications ranging from consumer electronics to industrial automation. It can be used for controlling DC and AC motors, dimming and switching lighting fixtures, managing HVAC systems, controlling AC power feeds and providing overload protection in various industrial applications. It is also ideal for triggering electrothermal valves, fuses and safety circuits.

The working principle of the T5071080B4AQ is fairly straightforward. It works by allowing current to pass through it when a certain voltage is applied across its gate and emitter terminals. This voltage, known as the “gate trigger,” is usually supplied externally. Once the voltage is above the device\'s threshold, the device is “triggered” and current passes freely through it, allowing the device to control the current load. When the load or current drops below the device\'s threshold, the device returns to an off-state and current ceases to flow. This ensures efficient, reliable current control.

In summary, the T5071080B4AQ is a versatile, reliable and efficient 3-pin, 4-quadrant AC Thyristor which is ideal for controlling DC and AC motors, dimming and switching lighting fixtures, managing HVAC systems, controlling AC power feeds and providing overload protection in various industrial applications. It works by allowing current to pass through it when a certain voltage is applied across its gate and emitter terminals. This voltage, known as the “gate trigger,” is usually supplied externally, ensuring efficient, reliable current control.

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