VSKH250-08

Current - On State (It (RMS)) (Max):	555A
Base Part Number:	KH250
Package / Case:	3-MAGN-A-PAK™
Mounting Type:	Chassis Mount
Operating Temperature:	--
Current - Hold (Ih) (Max):	500mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	8500A, 8900A
Current - Gate Trigger (Igt) (Max):	200mA
Voltage - Gate Trigger (Vgt) (Max):	3V
Series:	--
Current - On State (It (AV)) (Max):	250A
Voltage - Off State:	800V
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Part Status:	Obsolete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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Thyristors - SCRs - Modules

The VSKH250-08 is a type of thyristor (also known as a silicon controlled rectifier or SCR) module made by General Electric. This particular type of module is designed for applications that require power switching and phase control, such as switching in high-power AC loads and controlling AC motor speed. It provides reliable service in demanding and extreme conditions, such as industrial processes and renewable energy applications. The VSKH250-08 is a robust, versatile module that is suitable for a variety of applications.

Working Principle

A thyristor is a solid-state device with three terminals: an anode (A), cathode (K), and gate (G). When the gate is pulsed with a current or voltage, the thyristor becomes conductive, or "turns on", and remains in that state until the anode current falls to a certain level. This is known as latching behavior. Unlike transistors, thyristors do not require an external bias to turn on, and can remain latched on until the current is reduced.The VSKH250-08 module is designed to switch a high-power AC (alternating current) load with reliable latching behavior. There are two configuration options available: stand-alone or three-terminal. In stand-alone mode, the module can be triggered by an external pulse. In three-terminal mode, the module can be triggered by a current or voltage.

Application Fields

The VSKH250-08 is suitable for many power switching and phase control applications. It is well suited for industrial processes, where reliable switching is crucial, and for renewable energy applications, where there is a need for reliable load control. It can be used to switch AC motors, control AC loads, and provide surge protection.The VSKH250-08 is also a reliable choice for equipment monitoring and process control. It can be used to detect and switch AC power events or to monitor the current flow in a circuit. This is particularly suitable for applications such as energy metering and over-current protection.In addition, the VSKH250-08 can be used as a high voltage switch for lighting control circuits. It can be used in discharge lighting systems and to switch transformers, relays, and other control devices.

Safety Features

The VSKH250-08 module is designed with several safety features to protect the equipment and personnel. These include over-voltage protection, under-voltage protection, and over-temperature protection. These features make it an ideal choice for applications where safety is of utmost importance.In addition, the VSKH250-08 module is designed with molded plastic housings to protect against dust, moisture, and corrosion. This makes it suitable for use in harsh environments where reliable operation is essential.

Conclusion

The VSKH250-08 is a versatile, robust thyristor module that is suitable for a wide range of power switching and phase control applications. It is designed to provide reliable latching behavior and can be triggered with an external pulse or with a current or voltage. With its robust housing and safety features, the VSK250-08 is a reliable choice for any application that requires reliable power switching and phase control.

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