S4004DS1RP Discrete Semiconductor Products

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Thyristors – SCRs (silicon-controlled rectifiers) are dimmable switches commonly used to control the flow of electrical current. Special types of SCRs, such as the S4004DS1RP model,can be used to vary the power levels of AC current with the high frequency technology. In particular, the S4004DS1RP is a SCR rated for 1200V / 8A that usually finds application in ballasts, dimmable LED drivers and lighting control systems.

The working principle of the S4004DS1RP is based on controlling gate current. SCRs are effectively three-terminal devices, with a gate, an anode and a cathode . By controlling the gate current, it is possible to determine the current flow through the SCR, that is, control the level of power. This allows the user to adjust the current to the desired level, depending on the application, allowing a dimming or other control of the power supply.

The S4004DS1RP can be used in various applications. This model is particularly suitable for dimming LED drivers, as it can provide 10Vdc up to 10 Vac, allowing the user to control the current supply and adjust the luminosity of the light source. The S4004DS1RP is also suitable for controlling AC ballasts, allowing the user to adjust the power and dim the light output. Finally, the S4004DS1RP can be used in lighting control systems and other applications, providing a secure and reliable way to regulate the current and voltage.

The S4004DS1RP is able to provide high operating frequency, up to 16kHz, which is an important feature for certain applications, such as dimmable LED drivers, as it allows for a more precise and fast current control, providing reliable and secure regulation of the power supply. The S4004DS1RP also provides a high isolation voltage, up to 5KV between the gate and the anode, ensuring secure operation and protection of the components, which is an important aspect for some applications.

In conclusion, the S4004DS1RP SCR is a versatile device, capable of adjusting the current and voltage levels, featuring high frequency and isolation voltage capabilities, suitable for dimming LED drivers, controlling AC ballasts and lighting control systems.

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