OT384,112

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Thyristors - TRIACs

A TRIAC, or Triode for Alternating Current, is a type of thyristor device that acts as an electronically-controlled switch by managing the flow of electrical current. Triacs are widely used in industrial and home applications where power adjustments and current control are necessary. The OT384,112 is a popular triac device due to its extensive application field and operational features.

Application Field

The OT384,112 is a 400V, 0.8A Triac, and contains two thyristors integrated in one package. This combination allows it that it can switch both positive and negative pulses of an AC voltage, making it an ideal for regulating and controlling power on the AC power line of residential and industrial applications. This device is used in a wide range of applications, such as controlling the power of low voltage drives, light dimmer switches, and voltage regulators. Because it is reliable and relatively simple to use, the OT384,112 is a popular choice for many other applications, including motor speed and current controlling.

Working Principle

The OT384,112 is a four-layer device with two thyristors in one package. It begins to conduct when its gate receives electrical current, and then switches on the two thyristors to enable current conduction. Once both thyristors are conducting, they continue to stay in the conducting state, and the device remains in the current conduction state. The current is then determined by the gate current, and this determines the magnitude of the voltage applied between the MT1 and MT2 terminals of the device. When the gate current is removed, the device switches off, and the current is no longer conducted through the device.

The OT384,112 is designed to perform very efficiently in low-voltage applications, and its high surge capability makes it ideal for controlling circuits that induce high voltage spikes. Additionally, it has a low turn-on voltage and the ability to withstand temporary voltage drops of up to 100V. This makes it a highly resilient device, and ideal for use in harsh environments. The OT384,112 also features a low thermal resistance, so it can operate in temperatures up to 125°C.

The OT384,112 has a high voltage and power rating, which means that it can handle large loads. Additionally, it is able to switch rapidly between conducting and non-conducting states, making it suitable for applications that require fast switching. It also offers very low noise operation, and its recovery time is between 8µs to 40µs, depending on the current passing through the device.

Conclusion

The OT384,112 is a powerful and reliable Triac device, suitable for use in many industrial and residential applications. Its capability to switch rapidly and its ability to handle large loads make it an ideal choice for controlling power and current in a variety of applications. It also has a low turn-on voltage, a low thermal resistance, and a high voltage and power rating, making it a resilient device that is able to withstand even harsh environments. This makes the OT384,112 an ideal choice for any application that requires fast switching and reliable current or power regulation.

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