2N4361

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Thyristors - SCRs

The 2N4361 silicon controlled rectifier (SCR) is a four layer semiconductor device that is commonly used as a switch and current regulator, and it can be used in either AC or DC applications. The 2N4361 SCR is a unidirectional device, meaning it will only pass current in a single direction, while resisting current in the opposite direction. This makes it especially beneficial as a smart power device in any circuit where directional current control is necessary.

Application Field and Working Principle

The application field for the 2N4361 SCR is vast and it can be used for a number of different switching applications. These include power supplies, motor control, inrush current limiting, battery chargers, UPS systems, electronic loads, and phase control circuits. As such, the 2N4361 is an essential part of many different power-related applications.

The 2N4361 SCR operates on the principle of a triggered thyristor. This means that the SCR is turned on by the application of an external current or voltage pulse across the gate and main electrodes. The main electrodes are an anode and cathode, and the current is allowed to flow in between them when the gate is triggered. The current then flows through the device as if it were a closed switch, until the current reaches a critical level, at which point the SCR turns off.

The off-state current is known as the “holding current”, and is determined by a number of different factors. These include temperature, gate pulse amplitude and pulse width, trigger source type, junction temperature, doping concentrations, and applied voltage. By adjusting these variables, the amount of current that can be allowed to flow through the device can be controlled and adjusted. This makes the SCR an ideal device for regulating the amount of current that is allowed to flow through certain circuits.

The 2N4361 SCR also has an extremely low leakage current when it is in the off-state. This ensures that very little current will pass through the device when it is not being used as a switch. This is a beneficial feature for power-related applications, as it helps to reduce power consumption and improve efficiency.

In addition to its application as a switch, the 2N4361 SCR can be used to regulate the current that passes through a circuit. This can be done by varying the gate pulse width and trigger source type. This helps to ensure that only a specific amount of current is allowed to flow through the circuit at any given time. This is especially beneficial for power-related applications, as it allows for more precise current regulation and improved system efficiency.

Overall, the 2N4361 SCR is an incredibly useful device for controlling and regulating the current that passes through a circuit. The device is highly reliable and efficient, and it is easy to control the amount of current that passes through it. This makes it an ideal choice for a wide variety of power-related applications.

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