JANTX2N2324AU4

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Thyristors - SCRs

JANTX2N2324AU4 is a silicon-controlled-rectifier (SCR). SCRs belong to a category of devices called thyristors and are primarily used to switch heavy electric loads on and off with a control signal. They are known for their ability to switch large currents while withstanding or suppressing large voltage transients.JANTX2N2324AU4 is primarily used in industrial and commercial applications, such as welding equipment and lighting controls. It is also used in some consumer applications such as being part of the power control circuit in microwave ovens.

Overview of SCRs

SCRs are four-layer, three-terminal devices. The three pins are the anode (+), the gate, and the cathode (-). The anode and cathode terminals are typically connected to two power sources. The gate terminal is used to control the flow of current between the anode and cathode. When the gate voltage is applied with a current that is greater than the holding current of the SCR, the SCR will turn on. This is known as gating-on or firing the SCR. When the gate current is removed, the SCR will turn off and the current between the anode and cathode will cease.

Working Principle

When the gate voltage is below a certain value the SCR will remain off, regardless of current through the anode-to-cathode terminals. This value is known as the cut-off voltage. When the gate voltage reaches the cut-off voltage, the SCR will begin to conduct current. If the current through the anode-to-cathode terminals becomes too large, the SCR will begin to limit the current through these terminals, a phenomenon known as peak current limiting.The anode of the SCR is connected to the positive power source. The cathode of the SCR is connected to the negative power source. When the gate voltage is applied, a field is created between the anode and gate layers, and the channel between these two layers conduct current from the anode to the gate. This increases the voltage between the anode and cathode layers, allowing current to flow. When the gate voltage is removed, the channel between the anode and gate layers no longer conducts current, and the current between the anode and cathode layers is stopped.

JANTX2N2324AU4 Application Field

JANTX2N2324AU4 is a silicon-controlled-rectifier (SCR). It is designed for industrial and commercial applications, such as welding equipment, lighting controls and power control circuits in microwave ovens. It has a maximum blocking voltage of 600V, a forward current of 2A, and a holding current of 1.5A. The maximum gate trigger current is 20mA. The SCR has a maximum junction temperature of 175°C, and a maximum thermal resistance of 25°C/W.

Conclusion

The JANTX2N2324AU4 is a silicon-controlled-rectifier (SCR) that is designed for industrial and commercial applications such as welding equipment and lighting controls. It is characterized by its ability to control large currents while withstanding or suppressing large voltage transients. The SCR is composed of an anode and a cathode connected to two power sources, and a gate terminal used to control the flow of current between the two. When the gate voltage is applied with a current greater than the holding current, the SCR will turn on and start to conduct current from the anode to the cathode. When the gate current is removed, the SCR will turn itself off.

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