2N2326U4

Series:	Military, MIL-PRF-19500/276
Packaging:	Bulk
Part Status:	Obsolete
Voltage - Off State:	200V
Voltage - Gate Trigger (Vgt) (Max):	800mV
Current - Gate Trigger (Igt) (Max):	200µA
Current - On State (It (AV)) (Max):	220mA
Current - Hold (Ih) (Max):	2mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	--
SCR Type:	Sensitive Gate
Operating Temperature:	-65°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	3-SMD, No Lead
Supplier Device Package:	U4

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Thyristors - SCRs

A Screen-Controlled Rectifier, or SCR, is a specific type of a thyristor, a semiconductor device, used mainly for controlling electric power, switching circuits, and providing over-voltage protection in a number of rapidly-developing technologies. The 2N2326U4 is a popular device in this field; due to its low cost, high current ratings and large surge current capability, it is used in a wide range of application areas.

2N2326U4 Application Field and Working Principle

The 2N2326U4 is an ideal solution for applications where a single SCR is required to control the power supply or switch between two output sources. It is often used in power supplies, switch boxes, motor and automotive electronic control tools, and test and measurement devices.The working principle of the 2N2326U4 is based on its ability to control the flow of current in one direction by applying a small voltage across its gate terminals. The 2N2326U4 contains four layers of semiconductor material which are interleaved in a specific pattern to create a thyristor. The four layers are the anode, gate, cathode and the common electrode.When a small external voltage is applied to the gate terminal of the 2N2326U4, it produces an electric field within the thyristor, which in turn switches it into the conductive state. This state allows a current to flow in one direction, while blocking all current flowing in the opposite direction. This property enables the 2N2326U4 to be used to control the power supply, switch between two output sources, and offer over-voltage protection.Due to its highly stable characteristics and wide temperature operation range, the 2N2326U4 is perfectly suited for many application areas. It can easily cope with large surge current capabilities and low operating costs; its ability to provide over-voltage protection make it ideal for controlling the power supplies of sensitive electronic systems. Additionally, it is used in automotive applications as a switching device for EFI and ECU systems, and also as a voltage protection device in switch boxes.The 2N2326U4 is an ideal choice for many digital and analog control applications, due its low on-state voltage and current consumption, as well as its high peak surge current capabilities. In addition, it has a fairly long holding time, which makes it suitable for high-voltage applications.

Conclusion

The 2N2326U4 is a versatile and popular SCR device, which is used in a wide range of applications due to its low cost and high current ratings. Its capability to control the power supply, provide over-voltage protection and switch between two output sources makes it ideal for a variety of digital and analog control applications. Furthermore, its ability to cope with large surge current capabilities and low operating costs make it an attractive choice for engineers and technicians in a variety of fields.

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