VS-ST303C04CFL0

Current - Hold (Ih) (Max):	600mA
Base Part Number:	ST303C*C
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):	7950A, 8320A
Current - Off State (Max):	50mA
Series:	--
Current - On State (It (RMS)) (Max):	1180A
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:	400V
Part Status:	Active
Packaging:	Bulk

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Thyristors - SCRs

The VS-ST303C04CFL0 is a type of thyristors, also known as silicon-controlled rectifiers (SCR), which are solid-state semiconductor devices that allow for either unidirectional or bidirectional power flow control. SCRs are made with a four-layer anode-cathode structure that gives them their unique switching and latching properties. SCRs can act as electrical switches when controlling power from a high voltage electrical supply to an electric motor, allowing for the motor to be turned “on” or “off.”

The VS-ST303C04CFL0 is primarily used in applications such as AC motor speed control, DC motor control, voltage and current control, soft starter and contactor control, and temperature sensing. As a four-layer electrical switch, its semiconductor structure allows for it to conduct current in either direction, making it a bidirectional device. In applications like AC motor speed control, the VS-ST303C04CFL0 can be used to reduce the amount of power flowing through the motor, by manipulating the flow of current to increase or decrease motor speed.

The working principle of the VS-ST303C04CFL0 is quite simple. When a positive voltage is applied to the gate, the SCR acts like a closed switch and allows current to flow from the anode to the cathode. The current passing through SCR can remain on even when the gate voltage is removed since the SCR device retains the current until a negative voltage is applied to the gate, at which point the current will be shut off. This makes it ideal for applications that require a maintained current in one direction, such as AC motor speed control.

The VS-ST303C04CFL0 is a highly reliable device, with a long life, offering a high degree of dependability in any application. It is also very robust and can handle a wide range of voltage inputs, which ensures the device can function in even the harshest of environments. Additionally, the VS-ST303C04CFL0 is capable of carrying high currents with very low on-state voltage drop, making it an efficient and cost-effective SCR with excellent performance.

In conclusion, the VS-ST303C04CFL0 is a type of thyristors, also known as SCRs, that can be used in applications where a bidirectional flow of power needs to be monitored and controlled. Thanks to its robustness, long life, and dependability, the device is a cost-effective choice in applications such as AC motor speed control, DC motor control, voltage and current control, as well as soft starters and contactor control, and temperature sensing.

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