TN1215-800B-TR

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Thyristors, also known as Silicon Controlled Rectifiers (SCRs) are a type of electric power switching device. The most common and widely used thyristor is the TN1215-800B-TR. This particular thyristor is used in applications such as controlling AC power and also for voltage regulator applications. In this article we will discuss the application fields and the working principle of the TN1215-800B-TR thyristor.

TN1215-800B-TR Application Fields

The TN1215-800B-TR is primarily used as an AC power control device. This type of thyristor is ideal for controlling the power in three-phase systems, due to its fast switching capabilities. The TN1215-800B-TR also offers excellent voltage regulation characteristics and also has low-input control power requirements, making it an ideal choice for applications such as motor speed control and industrial process control.

The TN1215-800B-TR is also used for static switching applications, such as switching high-voltage current, and is often used in applications involving high-power electronics, such as switched-mode power supplies. Its fast switching capabilities also make it an ideal choice for switching high input currents, such as those used in motor drives and welding control.

TN1215-800B-TR Working Principle

A thyristor works by using two PN-junction diodes connected in series, with a gate connection added between the two. When a voltage is applied to the gate, it turns on, allowing the current to flow between the two diodes. When the voltage is removed, the thyristor reverts to its stable state. The TN1215-800B-TR is specifically designed to control large AC currents and has a breakdown voltage of 800 volts.

The TN1215-800B-TR also has a maximum average current rating of 15 amperes and a peak reverse current of 15 amperes. The maximum gate trigger voltage is 12 volts, which is the voltage necessary to turn the thyristor on. The TN1215-800B-TR also features current limiting, which helps to protect the device from over-current situations. Additionally, the device has an isolation rating of 4500 volts, which helps to protect it from static discharge.

Conclusion

The TN1215-800B-TR is a versatile, low-cost thyristor with a wide range of applications. It can be used in motor control, static switching applications, as well as for controlling large AC currents. Along with its excellent voltage regulation capabilities, the device also has a low-input control power requirement, current limiting traits, and 4500 volts of isolation. Older models of the thyristor have been replaced by the TN1215-800B-TR, which offers superior performance and reliability, making it an ideal choice for many applications.

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