VTO39-08HO7

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Thyristors - SCRs - ModulesThyristors are also known as Silicon Controlled Rectifier (SCR) or semiconductor controlled rectifier. It is a type of power semiconductor device which permits electrical current in one direction while blocking electrical current in the opposite direction. SCRs are available in both standard and specialty packages, and can be classified into two main types: SCR modules and SCR switches.VTO39-08HO7 is a thyristor module manufactured by Mersen, which is used in industrial automation applications and motor control systems. The module includes two thyristors, sharing a common gate. It is designed for low frequency operation and can be used in both AC and DC control circuits.The VTO39-08HO7 module has a blocking voltage of 800V, and a maximum current rating of 38A. It has a short-circuit withstand time of 25ms, and is designed for installation on a DIN rail in the control cabinet. In addition to this, the module offers an over-temperature protection, a short-circuit protection and a trigger current protection.The working principle of the VTO39-08HO7 is based on the triggering of the two thyristors. A small electrical current flows through the common gate of the two thyristors and triggers them. This triggers the flow of current through the two thyristors, allowing electrical current to flow in one direction while blocking it in the opposite direction. The two thyristors, when triggered together, act as a highly efficient switch, which can be used for a variety of control purposes.The VTO39-08HO7 is suitable for a wide range of applications, including motor control, lighting control and HVAC systems. It is used in industrial automation applications, where it is used to control the flow of current between two points. It can be used in AC and DC circuits, and can also be used to provide overvoltage and overcurrent protection.In summary, the VTO39-08HO7 thyristor module is a highly reliable power semiconductor device, which has a blocking voltage of 800V and a maximum current rating of 38A. It is suitable for a wide range of applications, including motor control, lighting control and HVAC systems. It works by triggering the two thyristors, allowing electrical current to flow in one direction while blocking it in the opposite direction. The device offers over-temperature protection, a short-circuit protection and a trigger current protection, making it an ideal choice for industrial automation applications.

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