VS-P125 Discrete Semiconductor Products

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Thyristors are solid state devices, which are widely used as switching devices in various applications. They employ a three terminal structure to enable current conduction in either direction. A thyristor may be compared to a transistor, as both are semiconductor switches. However, the thyristors are usually used for permanent switching, whereas the transistors are used for variable switching. The thyristors are available in a variety of packages, including SCRs (silicon-controlled rectifiers), TRIACs (triode for alternating current), GTO (gate turn-off thyristors), and OPTs (optically triggered thyristors).

A module is an assembly of internal circuits, which include additional components such as capacitors and resistors as well as other electronic parts. Modules are primarily used to deliver electrical signals and/or electrical power in a variety of applications. They often provide function, protection and improved safety when compared to standalone circuits.

The VS-P125 is an optically coupled SCR module. This module is designed to provide a high level of isolation between the control circuits and the power circuits. The power supply can be either DC or AC, and the maximum voltage rating is 1200V. The control voltage must be maintained within a range of 0 to 12V DC. The input current should be limited to 100mA or less. The module is designed to have a maximum RMS current of 25A.

The working principle of the VS-P125 module is based on a thyristor circuit, which is triggered by a small optical signal from a control circuit or an external source. The thyristor is triggered when the light from the control circuit is detected by the PIN diode. The PIN diode provides an impedance between the control and power circuits. When the control circuit triggers the thyristor, the control circuit is isolated from the power circuit, allowing the power circuit to control current flow. When the control circuit is deactivated, the thyristor switches off and the current flow is interrupted.

The VS-P125 module is suitable for a variety of applications, including motor control, lighting control, and over-current protection. The module can be used to switch large current and AC voltages in motor control systems. It can also be used to control the dimming of lighting such as street lights or domestic lights. Additionally, the module can be used as an over-current protection system, as it provides a fast response to any changes in the current. The module is also suitable for use in power supplies, DC voltage control and AC voltage control.

The VS-P125 is a reliable and efficient optically coupled SCR module, which can be used in a wide range of applications. The module can be used to switch large currents and AC voltages in a wide range of devices and systems. It can also be used as an over-current protection system, as well as for controlling the dimming of lighting. The module provides a high level of isolation between the control circuits and the power circuits, allowing the control of current flow. It is a cost-effective solution for applications requiring a reliable and efficient switching device.

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