VS-VSKH105/16

Current - On State (It (AV)) (Max):	105A
Package / Case:	ADD-A-PAK (3)
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 130°C (TJ)
Current - Hold (Ih) (Max):	250mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	2000A, 2094A
Current - Gate Trigger (Igt) (Max):	150mA
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Current - On State (It (RMS)) (Max):	235A
Series:	--
Voltage - Off State:	1.6kV
Number of SCRs, Diodes:	1 SCR, 1 Diode
Structure:	Series Connection - SCR/Diode
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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VS-VSKH105/16 Thyristors - SCRs - Modules Application Field and Working Principle

Thyristors (SCRs or Silicon Controlled Rectifiers) are a type of semiconductor devices used primarily as switching devices in myriad applications. They have been around and been used since the 1960s, and since then they have become a primary component of industrial, automotive, and consumer electronics. Because they offer superb switching characteristics, the application field and working principle of the VS-VSKH105/16thyristor module, is closely studied and investigated. The VS-VSKH105/16 is a high power and three-phase thyristor module, with zero voltage and current crossover switching capabilities, made for use in DC or AC power control applications. Its three-phase construction allows for a larger capacity than with other types of thyristors, and due to its resistance to current, temperature and pressure, it is an extremely suitable module for industrial use. The application field and working principle of the VS-VSKH105/16module is based on its ability to deliver sudden and high-current impulses when triggered. The module consists of three thyristors: a main thyristor, a couple, and a diode, mounted on one printed circuit board or substrate. When triggered, the main thyristor starts to conduct, while the couple keeps it conducting, and the diode prevents excessive reverse voltage. In industrial applications, this module is used as a switch in systems where AC or DC power needs to be controlled, especially in inverter systems or motor controls, or in any other applications where high-current pulses need to be applied for a short amount of time. It is usually triggered by a sensor or by a pulse generator. In terms of its working principle, its main thyristor is triggered to turn ‘on’ in response to the applied voltage or current, and the couple is responsible for providing a constant flow of current, while the diode ensures no reverse voltages. This working principle is explained in further detail with the help of a diagram. As is clearly observed from the above diagram, when the gate voltage is lower than the main thyristor voltage, the main thyristor turns ‘off’ or stops conducting, ending the flow of current. On the other hand, the couple will turn ‘on’ and keep the main thyristor in that state, while the diode prevents the reverse voltage from damaging the main thyristor. This combined mechanism of current flow control ensures reliable and efficient control of power throughout the system. Thanks to its resistance to current, temperature and pressure, its zero voltage and current crossover switching capabilities, and its large capacity, the VS-VSKH105/16thyristor module proves itself to be extremely useful for industrial and automotive applications. Its application field is broad due to its multiple uses, and it is an important component in many industries.

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