2N1794

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Off State:	150V
Voltage - Gate Trigger (Vgt) (Max):	3V
Current - Gate Trigger (Igt) (Max):	70mA
Voltage - On State (Vtm) (Max):	2.3V
Current - On State (It (AV)) (Max):	70A
Current - On State (It (RMS)) (Max):	110A
Current - Off State (Max):	20mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	1000A @ 60Hz
SCR Type:	Standard Recovery
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Chassis, Stud Mount
Package / Case:	TO-209AC, TO-94-4, Stud
Supplier Device Package:	--

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Thyristors - SCRs

The 2N1794 is a type of thyristor, more specifically a silicon-controlled rectifier. A thyristor is an electronic component which is used to switch power and acts as an electrical switch. SCRs are similar to transistors, except they have three terminals, Anode, Cathode, and Gate. Below is some more information about this device along with its working principle and application field.

Working Principle

The 2N1794 has four main current paths; the Anode (A) to Cathode (K), the Anode (A) to Gate (G), the Cathode (K) to Gate (G) and Gate (G) to Cathode (K). When a positive voltage is applied to the Anode, it will allow current to pass between the Anode and the Gate and the Anode and Cathode. When a positive voltage is applied to the Gate, it will allow current to pass between the Gate and the Cathode. When the 2N1794 is used as a switch, the voltage applied to the Gate is used to control the flow of current between the Anode and the Cathode. When the Gate voltage is low, current does not flow between the Anode and the Cathode; when the Gate voltage is high, current does flow.

Application Field

The 2N1794 is a very versatile device, and can be found in a wide range of applications. It is commonly used in power supplies, control systems, and motor drivers. When used in a power supply, the device is typically used to switch the AC mains voltage to the output voltage, usually low voltage DC. It can also be used to control the supply voltage to a device, or to switch between different power sources. In control systems, the 2N1794 is typically used as an on/off switch to control the flow of current to various components. Motor drivers can use the 2N1794 to switch on the motor, regulate its speed, and switch it off. The 2N1794 can also be used in consumer electronics and other digital devices, such as cell phones, tablets and computers, for a variety of purposes, including controlling power, switching signals, and providing protective circuitry.

Conclusion

The 2N1794 is a type of thyristor, specifically a silicon-controlled rectifier, used to control the on/off state of current. It has wide application field and its working principle is quite simple. Despite its small size, it is a very versatile device and can be used in a variety of applications.

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