IRKT57/04A

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Part Status:	Obsolete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):	60A
Current - On State (It (RMS)) (Max):	135A
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Current - Gate Trigger (Igt) (Max):	150mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	1310A, 1370A
Current - Hold (Ih) (Max):	200mA
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Chassis Mount
Package / Case:	ADD-A-PAK (3 + 4)
Base Part Number:	KT57

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Thyristors - SCRs - Modules: IRKT57/04A Application Field and Working Principle

Thyristors are solid-state semiconductor devices that can be used to control electrical power, and are a type of semiconductor switch. SCRs (silicon-controlled rectifiers) are a subset of thyristors, and they are commonly used in electronics circuits to control or switch electric current or voltage. Modules is the type of housing that thyristors come in, whether it’s SCRs or other types of thyristors. The IRKT57/04A module is a type of SCR module that is used for medium and high power applications, such as voltage regulation for power supplies, and as a switch for controlling high voltage and/or current. This module is made for use on a PC board, and is enclosed within a cast-aluminum housing for protection. The module is rated for up to 60A and 600V, and is often used in industrial operations, such as electrical rail transport, medical facilities, and others. The working principle of the IRKT57/04A module is relatively simple. When a threshold voltage or current is applied to the module, the SCR within the module is triggered and will begin to “conduct” the electrical current or voltage, depending on how the module is connected. This module can be used in either a “Normally Open” configuration, or a “Normally Closed” configuration, as well as others depending on the specific application.The IRKT57/04A module is designed to be able to handle higher current and voltage levels than other SCR modules of the same size and rating. This makes it ideal for applications that require more power and higher levels of protection from electrical fluctuations or surges. The module can be used in either a standard or a more specialized arrangement, depending on the specific needs of the application. The SCR within the IRKT57/04A module can be triggered in one of two ways; gate triggering and voltage triggering. In gate triggering, an external gate signal is activated to initiate conduction in the SCR, while in voltage triggering, the device is triggered by a change in the anode to cathode voltage, which causes the SCR to begin conducting. When the SCR is turned on, current will flow through it until a certain amount of watts are dissipated. At this point, the current will begin to drop back to the minimum set level, and the SCR will maintain the maximum power level it is capable of sustaining. This type of application ensures that systems using this module are not damaged due to sustained overloading or surges in electrical current that could otherwise lead to damage.The IRKT57/04A module also has surge protection capabilities as well, which means that if there is an excessive current or voltage that exceeds the rated values of the module, the module will automatically shut down to protect the system it is installed in.Overall, the IRKT57/04A module is an effective and reliable way to provide power control and protection in various applications, from industrial operations to medical facilities. The high power rating, surge protection capabilities, and ease of use make this module an ideal choice for a wide variety of applications.

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