IRKH41/14A

Current - On State (It (RMS)) (Max):	100A
Base Part Number:	KH41
Package / Case:	ADD-A-PAK (3 + 2)
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:	1.4kV
Number of SCRs, Diodes:	1 SCR, 1 Diode
Structure:	Series Connection - SCR/Diode
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction
Thyristors - SCRs - Modules are one kind of semiconductor components made of four alternating PN junctions that are used for controlling the power flow in the electrical system. IRCK41/14A is one type of SCR module which is particularly designed to be used in power control circuits and power factor correction circuits. It features very high forward current loading ratio and stable operation over a wide range of temperature and high efficiency performance.Application Field
IRKH41/14A thyristor module is mainly used in many electronic power transmission and distribution systems. It can be used for controlling large power loads such as motor drives, AC drives and variable frequency drives. It can also be used for regulating the power flow of power supply systems with high voltage, medium voltage and low voltage. This module is particularly suitable for voltage regulation and power factor correction applications.Structure and Working Principle
IRKH41/14A thyristor module is made up of four PN junctions that are connected via two gap layers and two metal contact layers. The two contact layers are used for connecting the module to the external circuit and the two gap layers help to isolate the four PN junctions. The four PN junctions form a semiconductor structure which functions as a thyristor carrying out two main processes – avalanche turn-on and forward blocking.The avalanche turn-on process refers to the process in which the current passing through the module increases until the PN junctions of the thyristor break down and start carrying current. This process is triggered when a voltage is applied to the external terminals of the thyristor module. The forward blocking process is a process in which the thyristor module stops conducting current when the applied voltage falls below a certain threshold.Advantages and Disadvantages
Some of the advantages of using the IRKH41/14A thyristor module include its high current loading capacity, good stability and wide range of temperature resistance. Additionally, it has a high power factor and high efficiency performance. The module also offers good protection for the system, preventing it from overload and short circuit.However, the module has some disadvantages as well. For example, it has a relatively high switching loss which results in a decrease in efficiency. Additionally, the module is quite expensive to purchase compared to other types of SCR modules.Conclusion
In conclusion, the IRKH41/14A thyristor module is a type of SCR module that is mainly used in power control circuits and power factor correction applications. It features a high current loading capacity and good stability, as well as wide range of temperature resistance and a high power factor. However, it has some drawbacks such as its relatively high switching loss and high cost.

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