IRKH27/16A

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Thyristors are an important type of electronics component which are used in many applications. The IRKH27/16A is a type of thyristor that is used in different applications in various industries. This article will discuss the application field and working principle of the IRKH27/16A.

The IRKH27/16A is a 4-pin thyristor module that is primarily used in voltage control and power control applications. It is built with a special design that allows its operation at high temperatures and a wide range of voltages. This makes it highly suitable for use in sensitive applications such as AC motor drives, battery charging equipment, inverters, etc. This module can also be used in various rectifier circuits, such as diode arrays and switched capacitor rectifiers, for improved voltage regulation and current limiting.

The module has a working voltage range of 6 to 18 volts and can be used to control high current up to 16 amps. In order to prevent malfunction due to high temperature, the module is designed with a thermal protection feature that reduces its current if the ambient temperature exceeds the designed upper limit. The module can also be used with a wide variety of control elements such as resistors, transistors and gate drivers, to further reduce the working voltage.

In terms of its working principle, the IRKH27/16A uses a mono-stable thyristor design. This means that when triggered, the module turns on until it is reset. This makes it suitable for applications where the module needs to be constantly on or off. Additionally, it also provides a so-called “latching state”. This means that the module is triggered once and stays in the on state until it is turned off again. This feature provides increased reliability in applications that require constant voltage control.

The IRKH27/16A can be integrated into a power switching circuit in several ways. The simplest way is to connect it in series. In this configuration, the thyristor acts as a relay when no current is detected. When current flows, it starts conducting, thus forming a direct connection between the power source and the load. This state is then maintained until current is no longer present, when the connection breaks.

Another way of using the module is in parallel. In this case, the thyristor is connected in parallel with the control element. When a current is detected in the control element, the thyristor turns on and closes the circuit, thus allowing current flow. When the current in the control element drops, the thyristor turns off, breaking the connection and disallowing current flow.

In summary, the IRKH27/16A is a type of 4-pin thyristor module that can be used in various applications. It has a wide range of voltages and currents, as well as a thermal protection feature. It can be used in series or parallel in a power switching circuit and is controlled by a control element such as a transistor or a resistor. The module’s mono-stable thyristor design and latching state adds to its reliability in voltage control applications.

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