2N2323A

Mounting Type:	Through Hole
Package / Case:	TO-205AA, TO-5-3 Metal Can
Supplier Device Package:	TO-5
Series:	Military, MIL-PRF-19500/276
Packaging:	Bulk
Part Status:	Obsolete
SCR Type:	Sensitive Gate

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Thyristors - SCRs are electronic components that can be used in power control applications, such as in rectifiers, switch-mode power supplies, and static relays. A 2N2323A is a Silicon Controlled Rectifier (SCR) that is designed for use in applications such as AC-DC converter, lamp and heater control, xenon strobe lighting control, and analog control.
The 2N2323A SCR is a three-terminal device, consisting of a gate, an anode and a cathode (inverts the silicon controlled rectifier). The device can be triggered by an input signal applied to the gate, allowing current to flow from the anode to the cathode. When triggered, the device then conducts current in both directions, low voltage can turn on in milliseconds, depending on the power system design.
The 2N2323A SCR is typically used in rectifier circuits and AC to DC converters. In a rectifier circuit, the SCR functions to turn on and off the current flow to the load, allowing the user to regulate the applied power to a load (e.g. motor, solenoid valve, etc.). The part can also be used in other voltage regulation circuits such as dimmers and current limiters. In AC to DC converter circuits, the device is switched periodically to convert the AC power to a DC output, with the ON/OFF timing of the SCR determining the fixed voltage or pulse-width of the output.
Working principle of the 2N2323A SCR: The part is triggered when the gate voltage reaches a certain threshold. This threshold voltage is a function of the gate circuit configuration and the size of the gate current applied to the SCR. When the gate is triggered, the 2N2323A SCR turns on and conducts from the anode to the cathode. For proper operation, the gate current should not exceed the maximum specified for the part (typically around 20mA). The SCR can also be reverse biased, meaning that it can be turned off even if the gate current is still present.
The device is not only capable of controlling power, but also controlling it efficiently. Since the device does not require a large gate current to turn it on or off, it is considered a low power solution. In addition, the device is also capable of controlling high voltage and high current applications, making it an ideal solution for many power control applications.
In summary, the 2N2323A SCR is a versatile three-terminal device with low power consumption and fast switching speeds. It is a popular choice for AC to DC converters, rectifier circuits, motor speed control, and other power regulation applications. The SCR can be used to precisely control the power applied to a load, while being efficient enough to be used in high voltage and high current applications.

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