T72H0845B4DN

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Voltage - Off State:	800V
Voltage - Gate Trigger (Vgt) (Max):	3V
Current - Gate Trigger (Igt) (Max):	150mA
Voltage - On State (Vtm) (Max):	2.3V
Current - On State (It (AV)) (Max):	450A
Current - On State (It (RMS)) (Max):	700A
Current - Off State (Max):	35mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	7500A @ 60Hz
SCR Type:	Standard Recovery
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Stud Mount
Package / Case:	SC-20, Stud
Supplier Device Package:	T-72

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Thyristors - SCRs

A thyristor is an electronic device with four terminals for controlling electric current. It is a passive semiconductor device with three or four layers of alternating p-type and n-type material. The two external terminals, called the anode and cathode, are used to control the current flow. The T72H0845B4DN is a type of thyristor, known as a silicon-controlled rectifier (SCR).

T72H0845B4DN Application Field

The T72H0845B4DN SCR has a variety of uses, but one of its primary functions is in high power, high frequency applications. It is used to convert low voltage AC to high voltage DC at a variety of frequencies. This SCR can be used for various motor speeds and for motor control, and for triggering, switching and controlling devices such as bells, horns, solenoids, and lighting. It is also commonly seen in rectifier circuits, power supplies and inverters.

T72H0845B4DN Working Principle

The T72H0845B4DN is a three-terminal device featuring an anode, cathode, and a gate terminal. In order for the device to conduct current, it must first be turned on, typically by applying a voltage to the gate. This allows current to flow through the anode and cathode, effectively forming a conducting link between the two terminals. Once the voltage reaches a threshold level, the current will flow freely, even after the gate voltage is removed. The current can be controlled by the gate voltage and can be turned off by reversing the relative polarities of the anode and cathode.The T72H0845B4DN has a typical forward voltage drop of 0.85V and has an operating temperature range of -55°C to +175°C. It can handle an operating current of up to 90A and has a device surge rating of 250A. It is a low power device and is typically used in applications such as motor control, rectifier circuits and power supplies.

Conclusion

The T72H0845B4DN is a type of thyristor or silicon-controlled rectifier that is used for high power, high frequency applications. It features an anode, cathode, and gate terminal and can be turned on by applying a voltage to the gate terminal. The current can be controlled by the gate voltage and can be turned off by reversing the polarities of the anode and cathode. This SCR is mainly used in high current applications such as motor control, rectifier circuits, and power supplies.

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