T820169004DH Discrete Semiconductor Products

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The T820169004DH thyristor module is a versatile, powerful and cost effective device, suitable for a wide range of applications. Developed by STMicroelectronics, the T820169004DH has a direct gate drive and is a true, full bridge module.

It is a 4 channel device with a reverse blocking voltage of 900V, reverse continuous current of 1A and a forward current of 5A. Its on-state and off-state characteristics allow for high-speed switching of AC and DC current. Its switching and dynamic times are in the range of 0.7μs to 5μs, depending on the ambient temperature.

The T820169004DH module is suitable for various applications in the field of power electronics. It can be used in the control of motor drives, welding and UPS systems. It is also suitable for use in the rectification of voltage, power line protection and other high-voltage applications. Additionally, the T820169004DH can also be used in position and speed control systems, solar inverters and many other industrial and commercial applications.

The T820169004DH module utilizes a fast, two-stage turn-off, enabling fast disconnection of the thyristor when an overvoltage or excessively high-current is detected. This ensures reliable, safe operation of the device in the event of a fault. Additionally, the module has an in-built protection circuit to prevent overheat fault conditions.

At the heart of the module is a silicon controlled rectifier, commonly referred to as an SCR. An SCR is a four-layer, three terminal semiconductor switch that works on the principle of using an external voltage to turn on a semiconductor current source, thereby controlling the current flow within the device. The SCR is composed of two p-type layers, two n-type layers and an internal gate electrode. The gate electrode is used to control the switching process, enabling currents to either be switched on or off.

The T820169004DH SCR module has the following key features:

• 900V reverse blocking voltage
• 1A reverse continuous current
• 5A forward current
• Two-stage turn-off
• In-built protection circuit

As a result of its excellent power, speed and reliable operation, the T820169004DH is a popular choice for use in applications requiring high-voltage switching and current control. The module is cost effective and efficient, and provides great value for money.

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