IRKH71/12A

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IR Thyristors are a type of solid state, semiconductor-based devices that are capable of controlling high current loads with a high degree of accuracy. The IRKH71/12A is a triac module that is designed to serve as a power interface between the power source and an electronic circuit. The module provides a switching solution for load protection, voltage rating and fusing protection when connected to an AC power source. This article will cover the application field and the working principle of IRKH71/12A modules.

Application Field of IRKH71/12A Modules

The IRKH71/12A module is designed to provide an interface between an AC power source and a load. It can be used in a variety of application fields, including:

• Air Conditioning: The module is used to control the power output of air conditioners, enabling energy efficiency.
• Heating & Cooling Systems: The module is used to control the power input of heating and cooling systems in order to ensure efficient operation.
• DC Motor Control: The module is used to control the power output of DC motors, enabling efficient operation and greater control.

Working Principle of the IRKH71/12A Module

The module works by monitoring the voltage and current of the AC power source. When the current or voltage drops below a certain threshold, the module will turn off the output. This prevents overloads and short circuits from occurring and protects both the power source and the load.

The module has a peak voltage rating of 600 Volts and a DC blocking voltage rating of 400 Volts. It has a maximum withstand current rating of 170A (RMS, peak reverse) and a surge current rating of 190A (RMS, peak reverse). The module uses a UL-approved polyimide insulation, which helps to protect the connections from damage due to arc and flashover.

Conclusion

The IRKH71/12A is a triac module designed to serve as a power interface between the power source and an electronic circuit. It is suitable for a variety of application fields, including air conditioning, heating and cooling systems, and DC motor control. The module works by monitoring the voltage and current of the AC power source and turning off the output when the current or voltage drops below a certain threshold. The module has a peak voltage rating of 600 Volts, a DC blocking voltage rating of 400 Volts, and a maximum withstand current rating of 170A (RMS, peak reverse). The module uses a UL-approved polyimide insulation for added protection from arc and flashover.

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