Q8010N4TP

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Thyristors - TRIACs

A TRIAC, which stands for Triode for Alternating Current, is a type of thyristor, commonly used for controlling AC circuits. It is a bidirectional switch, meaning current can be conducted in both directions. TRIACs are commonly used for dimmers, light controllers and motor speed controllers. The Q8010N4TP is a particular type of TRIAC designed for power switching applications, such as motor control, AC/DC conversion, battery charging, and industrial controls.

Q8010N4TP Application Field

The Q8010N4TP TRIAC is mainly applied in motors controls, AC/DC conversion and industrial controls. Also known as a “low-gate-trigger” current triac, the Q8010N4TP family is widely used in applications which required the gate current not to exceed the holding current. It can also perform at temperatures ranging from -40°C to 125°C. It is particularly suitable for use in home appliances, such as washing machines, dishwashers, stoves, and fans.

Q8010N4TP Working Principle

The function of a TRIAC is based on the gating of three diodes in one integrated circuit. This is comprised of an Anode 1 (A1), Anode 2 (A2) and Gate (G), as shown in the circuit diagram below. When a voltage is applied to the two Anodes and this voltage exceeds the turn-on voltage of the gate (BVIG), a low gate current will begin to flow. This will establish a conduction path between A1 and A2, allowing current to flow through the device.

When current begins to flow, it develops a self-latching mechanism, ensuring the device remains switched on until the current through the device falls below the latch-off current value. Once this occurs, the device will switch off and will remain turned off until A1 and A2 are forward biased with a sufficient voltage. In the case of a Q8010N4TP TRIAC, the maximum turn-on and hold-off currents are 450mA and 0.1mA respectively.

Benefits of Using a Q8010N4TP

The Q8010N4TP TRIACs are extremely reliable and are often used in power control applications, as they offer a number of benefits. For example, they can switch a much higher current than a traditional thyristor and can be used at very high temperatures. They also provide a high degree of immunity to voltage surges, making them suitable for use in electrically noisy environments. Moreover, they are very thermally stable, meaning they can be operated without the risk of thermal runaway.

Conclusion

In conclusion, the Q8010N4TP TRIAC is a powerful and reliable switching device, making it suitable for a number of applications such as motor controls, AC/DC conversion, battery charging, and industrial controls. It provides a number of benefits, such as high temperature operation, surge immunity and thermal stability, making it an ideal choice for power control applications.

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