TN4015H-6G-TR Discrete Semiconductor Products

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Thyristors are a class of electronic devices that can be used in a variety of ways in power systems. As a consequence, they are very popular in industrial and consumer products. In this article, we will take a look at the TN4015H-6G-TR thyristor and the application fields and working principles associated with it.

The TN4015H-6G-TR is an off-state type thyristor with a 6-pin configuration. It is a high-power silicon device, and its electrical characteristics are such that it is suitable for use in a variety of applications. Specifically, it is used as a bidirectional switch in AC control systems and as a DC blocking or clamping device. Additionally, it can be used for overvoltage protection and spread-spectrum switching applications. The device has a maximum on-state voltage drop of 1.9V and a maximum reverse voltage of 600V.

The working principle of the TN4015H-6G-TR is based on two main characteristics: forward breakover voltages and forward gate current. The forward breakover voltage is the voltage at which the TN4015H-6G-TR switches on, and the forward gate current is the current it needs to sustain itself in the on-state. The TN4015H-6G-TR has a breakover voltage of 1.15V and a forward gate current of 4mA.

The TN4015H-6G-TR is mainly used in AC control systems as a bidirectional switch. In such systems, the thyristor supplies one of the two voltages required by the circuit. The other voltage is usually provided by other components such as capacitors. When a current flows through the two terminals of the TN4015H-6G-TR, it is rendered conducting and can then control the transfer of power between the two points.

The TN4015H-6G-TR can also be used as a DC blocking or clamping device. In this application, the TN4015H-6G-TR is connected between a DC voltage source and a load. When a sudden rise in the voltage of the DC source occurs, the TN4015H-6G-TR switches open, blocking the increase in voltage from reaching the load. In this way, damage to sensitive equipment can be avoided.

The TN4015H-6G-TR can also be used for overvoltage protection. In this application, the TN4015H-6G-TR is connected in series with a device that requires protection against overvoltages. When an overvoltage occurs, the TN4015H-6G-TR switches open, thereby preventing the overvoltage from damaging the protected device.

Lastly, the TN4015H-6G-TR can be used for spread-spectrum switching applications. In this case, the TN4015H-6G-TR is connected between the logic control circuit and the load. The TN4015H-6G-TR is then triggered by the logic circuit in order to spread the switching action over a wide range of frequencies. This reduces the risk of electromagnetic interference and improves system reliability.

In conclusion, the TN4015H-6G-TR is a versatile thyristor that is used in a variety of applications. Its breakover voltage and forward gate current make it suitable for use as a bi-directional switch in AC control systems, DC blocking or clamping device, overvoltage protection, and spread-spectrum switching applications. With its wide range of applications, the TN4015H-6G-TR is sure to remain a popular choice among power system designers.

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