T435-600B-TR Discrete Semiconductor Products

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Thyristors - TRIACs are electronic switches used to control and switch power in a wide range of applications. The T435-600B-TR is a medium power thyristor-TRIAC switch featuring an optimized design for low on-state voltage and fast switching speeds. In this article, we will discuss the application field and working principle of the T435-600B-TR.

Application Field

The T435-600B-TR offers a range of applications including AC motor control, temperature control, motor control, power factor correction, energy-saving lighting control, and more. The device\'s low on-state voltage and fast switching speed allow it to be used in a wide variety of AC motor speed regulation and control systems. In addition to motor control applications, the T435-600B-TR can also be used in various ways to regulate current, including in lighting and temperature control systems.

Working Principle

The T435-600B-TR is a three-terminal electronic switch that utilizes a thyristor-TRIAC construction for reliable control and switching of current. The device features an optimized design that allows for a lower on-state voltage and a fast switching speed. When used in an application, the T435-600B-TR is typically connected in series with a control signal circuit. When the AC supply voltage reaches a certain level, the T435-600B-TR is triggered, closing the circuit and allowing current to flow. The flow of current is then regulated through the control signal circuit.

When used in an AC motor control application, the T435-600B-TR is typically connected in series with a resistor and a capacitor. When the AC input voltage is present, the capacitor charges, which increases the voltage on the T435-600B-TR gate. When the gate voltage reaches its breakover voltage, the T435-600B-TR is triggered, allowing current to flow through the circuit. The flow of current is regulated by the resistor, allowing the user to control the speed of the motor.

In a temperature control application, the T435-600B-TR is connected in series with a temperature sensing device. When the temperature reaches a certain level, the temperature sensing device sends a signal to the T435-600B-TR, triggering it. The T435-600B-TR then closes the control circuit, allowing current to flow to a heating or cooling element, depending on the application. The flow of current is then regulated by the control signal circuit.

Lastly, in a power factor correction application, the T435-600B-TR is typically connected in series with a pair of capacitors and a resistor. When the AC power supply reaches a certain level, the T435-600B-TR is triggered, allowing current to flow through the circuit. The flow of current is regulated by the resistor, allowing the user to adjust the power factor of the load.

In conclusion, the T435-600B-TR is a medium power thyristor-TRIAC switch optimized for low on-state voltage and fast switching speeds. It is suitable for a variety of applications such as AC motor control, temperature control, motor control, power factor correction, energy-saving lighting control, and more. The device utilizes a thyristor-TRIAC construction, allowing it to operate reliably in various control and switching applications.

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