IRKT71/04A

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Structure:	Series Connection - All SCRs
Number of SCRs, Diodes:	2 SCRs
Voltage - Off State:	400V
Current - On State (It (AV)) (Max):	75A
Current - On State (It (RMS)) (Max):	165A
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Current - Gate Trigger (Igt) (Max):	150mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	1665A, 1740A
Current - Hold (Ih) (Max):	250mA
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Chassis Mount
Package / Case:	ADD-A-PAK (3 + 4)
Base Part Number:	KT71

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IRKT71/04A Application Field and Working Principle

Thyristors are power semiconductor devices used to control the power flow in an electric circuit, usually by turning the current on and off. The thyristor module, IRKT71/04A, is a four-phase, two-terminal rectifier module specifically designed to deliver reliable, high-efficiency performance in a wide range of applications, from motor control and power conversion to power factor correction and inverters. In this article, we will discuss the application field and working principle of IRKT71/04A.

Applications of IRKT71/04A

The IRKT71/04A thyristor module is widely used in high-voltage devices, such as energy converters, uninterruptible power systems, motor control devices and static switchgear. It is designed for use in a wide range of industries, including industrial equipment, telecommunications and power supplies. It can also be used in rectifier systems, which are used to convert AC current to DC current.The IRKT71/04A thyristor module is designed to be used in environments where temperature, vibration and shock resistance are required. It is engineered to operate in versatile voltage ranges and comes with an operating temperature of up to 1150°C. The device can also withstand high surge currents due to its low dynamic on-state impedance. It is designed to be thermally stable and provide protection from over voltage and current.

Working Principle of IRKT71/04A

The IRKT71/04A thyristor module is a two-terminal device. As current flows through the device, the voltage across it is limited to the forward breakover voltage range. This range is typically between 5 to 110 volts depending on the module\'s configuration.When the current reaches the breakover voltage, the module\'s internal switches open and close, allowing the current to flow. The open state is called the “off-state” and the closed state is called the “on-state”. This switching mechanism allows the current to be controlled and regulated. In addition, the low dynamic on-state impedance ensures that when the current is in the off-state, very little voltage is applied to the device.When the device is in the on-state, it acts as a low impedance path for the current, allowing it to flow with minimal resistance. Generally, the device will remain in the on-state until the current is broken by either turning off a switch or by the module\'s own internal protective features.

Conclusion

The IRKT71/04A thyristor module is an advanced, two-terminal rectifier module designed to deliver reliable, high-efficiency performance in a wide range of applications. It is engineered to operate in versatile voltage ranges, and its low dynamic on-state impedance makes it an ideal choice for high voltage devices. In addition, it is designed to be thermally stable and provide protection from over voltage and current. Understanding the application field and working principle of the module can help engineers select the right device for their needs.

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