VS-2N690

Current - Hold (Ih) (Max):	20mA
Base Part Number:	2N6*
Supplier Device Package:	TO-208AA (TO-48)
Package / Case:	TO-208AA, TO-48-3, Stud
Mounting Type:	Chassis, Stud Mount
Operating Temperature:	-65°C ~ 125°C
SCR Type:	Standard Recovery
Current - Non Rep. Surge 50, 60Hz (Itsm):	145A, 150A
Current - Off State (Max):	2.5mA
Series:	--
Current - On State (It (RMS)) (Max):	25A
Current - On State (It (AV)) (Max):	16A
Voltage - On State (Vtm) (Max):	2V
Current - Gate Trigger (Igt) (Max):	40mA
Voltage - Gate Trigger (Vgt) (Max):	2V
Voltage - Off State:	600V
Part Status:	Active
Packaging:	Bulk

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Thyristors - SCRs

A silicon-controlled rectifier (SCR) or thyristor is a four-layer solid state device that can control large amounts of electrical current. SCRs are used in a wide range of applications, such as power supplies, motor controllers, and switched-mode power supplies.One of the most popular SCRs is the VS-2N690, which is one of the few SCRs that can handle large currents up to 25A. In this article, we will discuss the application fields and working principle of the VS-2N690.

Application Field

The VS-2N690 is used in a wide range of applications, including power supplies, motor controllers, switched-mode power supplies, lighting control systems, and automotive applications.The VS-2N690 is especially well-suited for power supplies because it can handle large currents up to 25 Amps and has a low on-state voltage drop, which reduces power loss and improves efficiency. In addition, it has a wide operating temperature range from -40°C to +150°C, making it suitable for operation in harsh environments.

Working Principle

The VS-2N690 SCR consists of four layers: the emitter, base, and two collectors. The emitter is connected to the anode and the two collectors are connected to the cathode.The SCR is triggered by passing current through the base layer. When this happens, the SCR will turn on and begin conducting current from the anode to the cathode.The SCR acts like a switch, with the anode and cathode terminals acting as the “on” and “off” positions. When the SCR is in the “on” position, current can flow from the anode to the cathode, but the current will be limited by the resistance of the device.The VS-2N690 has a high blocking voltage of 600V, which makes it suitable for high-voltage applications. It also has a low on-state voltage drop, which reduces power loss and improves efficiency.

Conclusion

The VS-2N690 is a popular silicon-controlled rectifier (SCR) that can handle large currents up to 25A. It is used in a wide range of applications, including power supplies, motor controllers, switched-mode power supplies, lighting control systems, and automotive applications. The VS-2N690 is triggered by passing current through the base layer and the current is limited by the resistance of the device. It has a high blocking voltage of 600V and a low on-state voltage drop, which reduces power loss and improves efficiency.

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