C784CN

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Structure:	Single
Number of SCRs, Diodes:	1 SCR
Voltage - Off State:	3.8kV
Current - On State (It (AV)) (Max):	1650A
Current - On State (It (RMS)) (Max):	2590A
Voltage - Gate Trigger (Vgt) (Max):	4.5V
Current - Gate Trigger (Igt) (Max):	300mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	24000A, 26000A
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Chassis Mount
Package / Case:	TO-200AF

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Thyristors - SCRs - Modules

Thyristors and SCRs (silicon-controlled rectifiers) are power electronic devices used to control and conduct electric current in large machines or electrical systems. A thyristor module is a single enclosure containing one or more thyristors and other components designed to interact and control the current flow of the application in which it is used.C784CN is a symmetrical SCR module developed by the Chinese semiconductor manufacturer ChangHong. It is a four-terminal device with 72A of maximum current capability and 3kV of maximum voltage rating. The device is equipped with four external cathode diodes and one internal silicon controlled rectifier.The application field of the C784CN SCR module is mainly in high power switching applications such as: converters, inverters, rectification controller circuits, laser system, plumbing and firefighting systems, and other similar applications.The working principle of the C784CN is based on the SCR (Silicon-Controlled Rectifier) switching mechanism. An SCR is a three-layer semiconductor device composed of a P-type semiconductor layer sandwiched between two N-type semiconductor layers. This structure results in the device having two stable states: “OFF” and “ON”.When the anode voltage is lower than the breakdown voltage (VBR) the device will remain in an OFF state and will not allow current through the device. When the anode voltage reaches the VBR, the device will switch to the ON state and will be capable of conducting electrical current.The C784CN SCR module is designed to conduct electrical current with high efficiency and low power losses. It is particularly suitable for power converter and inverter applications where high frequency operation is required. The C784CN features a maximum blocking voltage of 3000V and a maximum current rating of 72A.The module also features a very reliable and fast turn on time. This is achieved by the use of a special trigger circuit that allows fast activation of the SCR. The turn off time is also rapid thanks to the reverse potential induced on the cathode of the SCR.In conclusion, the C784CN is an efficient and reliable SCR module designed to handle high power switching applications. It features a maximum voltage rating of 3000V and a maximum current rating of 72A, as well as a very fast turn-on and turn-off time. This device has found applications in power switching converters and inverters, rectification controller circuits, laser systems, plumbing, and firefighting systems.

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