MAC4DHM-1G

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Thyristors - TRIACs

A TRIAC is a type of thyristor, or a solid state switch, which consists of three semiconductor junctions connected together in a symmetrical, three-terminal arrangement. It is a component commonly used for controlling current in applications ranging from AC motor speed control to interface power supply requirements to other circuits. The MAC4DHM-1G is an innovative TRIAC component specifically designed to meet the atypical voltage and power requirements associated with many electroplating and general anodizing systems.

MAC4DHM-1G Application Field

The MAC4DHM-1G is designed for heavy-duty control applications that require 400V of power and a variety of load current requirements ranging from 0.5A to 16A. Its bidirectional character makes it suitable for use in both AC and DC control circuits. The device features a robust design to ensure safety, reliability and performance in heavy-duty anodize and plating systems. It also offers extended protection against electrostatic discharge and burn-in protection circuitry.

A separate gate terminal is included to help reduce power losses while the device is in a switching mode. The high-voltage withstand rating of the device helps it to handle intense current surges without fail. Additionally, hot-spot control circuitry helps to limit leakage current. All of these features combine to make the MAC4DHM-1G ideal for use in anodize, electroplating and other high-power, high current control applications.

MAC4DHM-1G Working Principle

The MAC4DHM-1G uses a single thyristor device in the form of a three-terminal switch. When a voltage is applied to the gate terminal, the two main terminals become electrically connected, allowing current to flow freely through the device. This connection is called "THRU" or "TURN". To control current conduction through the device, the gate terminal can be driven to continually hold a positive or negative voltage relative to its main terminals, thus ensuring maximum conduction of current across the terminals.

The operation of the device is further enhanced by the presence of a temperature protection circuit that detects the amount of time that the device is in a switching mode and reduces the amount of current conduction if the temperature reaches a certain threshold level. In addition, self-protection logic is used to reduce the device\'s conduction if the current flow through the terminals exceeds its rated value.

The MAC4DHM-1G is a highly efficient, robust and reliable three-terminal switch designed to offer robust performance in a wide variety of industrial applications. Its exceptional temperature and over-current protection features make it ideal for use in high-power, high current control applications such as electroplating and anodizing.

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