VS-ST303C12LFK0L

Current - On State (It (RMS)) (Max):	1180A
Supplier Device Package:	TO-200AB (E-Puk)
Package / Case:	TO-200AB, E-PUK
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 125°C
SCR Type:	Standard Recovery
Current - Non Rep. Surge 50, 60Hz (Itsm):	6690A, 7000A
Current - Off State (Max):	50mA
Current - Hold (Ih) (Max):	600mA
Series:	--
Current - On State (It (AV)) (Max):	620A
Voltage - On State (Vtm) (Max):	2.16V
Current - Gate Trigger (Igt) (Max):	200mA
Voltage - Gate Trigger (Vgt) (Max):	3V
Voltage - Off State:	1.2kV
Part Status:	Active
Packaging:	Bulk

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Thyristors - SCRsThyristors, or silicon controlled rectifiers (SCRs), are electronic devices used to control the flow of electrical current. They are widely used in today’s modern digital devices, such as power line controllers, voltage regulators, electrical switches, and transistor arrays. The VS-ST303C12LFK0L is one type of SCR. This article will explore the application fields and working principle of the VS-ST303C12LFK0L.The VS-ST303C12LFK0L is a three-terminal bidirectional thyristor, or SCR. It features a single gate control and is designed for medium-voltage, high-current switching. It is suitable for automotive, industrial, and telecommunication applications. Typical applications include machines and motors, alarm systems, power-line control systems, heating and cooling systems, solar power systems, and as an AC phase control device. The maximum surge current rating is 200A, and the maximum blocking voltage is 12V.The working principle of the VS-ST303C12LFK0L is based on the principle of a PNPN junction. The device has three low-resistance terminals: Anode, Cathode, and Gate. When voltage is applied to the anode and gate terminals, a small current passes through the PNPN junction, allowing the device to conduct. As the applied voltage increases, the device reaches a point where it becomes fully “on,” and a large amount of current can be passed through it.When the anode voltage is applied, the PNPN junction becomes “forward-biased.” This causes electrons to flow from the N-type region to the P-type region, creating a current. This current is amplified by the electron gain in the P-type region and is then passed to the anode.When the gate voltage is applied, the junction becomes “reverse-biased.” This causes electrons to flow from the P-type region to the N-type region, resulting in the device becoming “on” with a large current passing through it. As the gate voltage is increased, the device will reach a point where it becomes “saturated,” and a maximum current can be passed through it.The VS-ST303C12LFK0L can be used to regulate the flow of electrical current in a variety of applications, such as automotive, industrial, and telecommunication applications. It is used in machines and motors, alarm systems, power-line control systems, heating and cooling systems, solar power systems, and as an AC phase control device. The device is reliable, cost effective, and easy to use.

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