IRKT42/16A

Current - On State (It (RMS)) (Max):	100A
Base Part Number:	KT42
Package / Case:	ADD-A-PAK (3 + 4)
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Hold (Ih) (Max):	200mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	850A, 890A
Current - Gate Trigger (Igt) (Max):	150mA
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Series:	--
Current - On State (It (AV)) (Max):	45A
Voltage - Off State:	1.6kV
Number of SCRs, Diodes:	2 SCRs
Structure:	Series Connection - All SCRs
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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IRKT42/16A is a type of thyristor, SCR (silicon-controlled rectifier) module. It is used in various power electronic systems as a switch for controlling power flow. The primary application of IRKT42/16A is electric motor speed control. It is a compact module that comes in various packaging options and provides maximum power handling capacity of 240 amperes.Thyristor SCR Modules are basically power switches used in power electronics control systems. They are semiconductor components that are switched on and off repeatedly to control the electrical power of an electric motor. Thyristors can work in synchronous and commutated mode and have a wide variety of applications. In synchronous mode, they act as closed-loop controllers while in commutated mode they are used as power switches.The IRKT42/16A SCR module is a compact, hermetically sealed module with a current rating of 240 amperes. It is built using a two-element structure composed of a voltage deviator and a thyristor. The voltage deviator is responsible for the current regulation, while the thyristor is responsible for the conduction of current when the base gate voltage reaches a certain level. The gate control voltage of IRKT42/16A is ±50V and the gate current required for turning the SCR into an on state is minimum 10mA. It is also built with higher creepage and clearance distances for isolation and safety.The working principle of IRKT42/16A module is straightforward. When the base gate voltage reaches the set trigger level, the module turns “ON” and the thyristor starts conducting a current. Once the current exceeding the set limit, IRKT42/16A turns off. After the thyristor has conducted current, it remains in an “OFF” state until the gate voltage is the reset. This principle is used to control the speed and torque of an electric motor.IRKT42/16A can be used in various power switching applications such as AC, DC, switch-mode power supply, HVDC and High Voltage SwitchGear. It is used to control the speed and torque of AC/DC Motors, IGBTs, variable speed drive systems, UPS and solar energy systems. Moreover, it can also be used for power quality control applications like harmonic cancellation, and power factor correction.In conclusion, IRKT42/16A is a versatile SCR module that is used in a wide range of power electronics applications. It is a compact, hermetically sealed module with high power handling capacity and it works on a straightforward principle of turning “ON” and “OFF”. Its primary application is electric motor speed control, but it also finds application in other areas such as AC/DC Motors, IGBTs, variable speed drive systems and solar energy systems.

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