ND431821

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The ND431821 is a module designed with a thyristor or silicon controlled rectifier (SCR). It can be used in a variety of applications, from controlling the temperature of a device to the current and voltage regulation of a power system. This article will discuss the application field and the working principle of ND431821.

The ND431821 module can be applied in a range of applications to provide control of current and voltage over a range of frequencies. It is particularly useful in thermostat applications due to its exceptional response time and lifespan. It is also used in a variety of industrial and automotive applications such as rectifying circuits, heath and fume control, contacting and ignition systems.

A major feature of the ND431821 are its basic static operation with a reverse blocking capability and the ability to be triggered when positive or negative voltage is present, making the module suitable for use in AC systems. It is designed to provide a wide range of current control, up to 1000 amperes (A) for most applications, and to provide surge protection for sensitive components.

In the ND431821, the activating voltage is set by the Gate-to-Cathode voltage. Without an activating voltage, the Gate-to-Cathode voltage must be kept below a critical level in order to maintain control of the module. When a control voltage is applied to the Gate, the module will conduct current from the Anode to the Cathode. The Anode current and controlling voltage cannot be greater than the maximum ratings specified for the device.

When the ND431821 is operating, it forms a closed circuit, allowing current to flow from the Anode to the Cathode. The principle of operation is known as forward conduction, which requires a positive gate voltage for the device to turn \'on\' and to remain \'on\' until the current is removed from the circuit. The forward voltage drop is dependent on the applied current, with a typical range of 1-2 volts over the recommended operating range.

A major advantage of the ND431821 is its high turn-on speed, allowing for fast response to changes in the system. It is also rugged and reliable, able to operate within temperature ranges of -40°F to +150°F; this helps to ensure a long lifespan in both indoor and outdoor applications.The ND431821 is a versatile and reliable module that can be used in a variety of applications. Its fast response time and wide operating range make it suitable for thermostats, current and voltage regulation, rectifying circuits, heath and fume control, and other industrial and automotive applications. It is easy to use and requires minimum maintenance for extended use.

The specific data is subject to PDF, and the above content is for reference