4N38S1(TB)-V

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolators are electrical components that protect sensitive circuits from voltage fluctuations and electrical noise by isolating them from the outside world. The 4N38S1(TB)-V is an example of such a component, designed specifically for use in industrial applications where high voltages and wide temperature variations are expected. In this article, we will provide an overview of the 4N38S1(TB)-V’s application field and working principle.

Application Field

The 4N38S1(TB)-V is a photovoltaic output optoisolator designed for use in industrial control systems. It features a wide operating temperature range, from -40C to +90C, and can withstand voltages up to 4000Vrms. In addition, it provides isolation ratings up to 1500Vac, giving it the ability to protect sensitive circuits against high voltage fluctuations. The 4N38S1(TB)-V is well-suited for applications requiring long distance signal transmission, such as in telecommunications, lighting control, motor control, and temperature measurement.

Working Principle

The 4N38S1(TB)-V is an optoisolator that provides electrical isolation between two circuits. Its design involves a photovoltaic (light-sensitive) LED and a PNP transistor. When the LED is exposed to light, it generates a small electric current, which is then passed to the transistor. The transistor is then triggered, activating the output circuit and allowing a signal to pass from one circuit to the other. This all occurs while the two circuits are kept physically separated, protecting the output circuit from electrical noise, interference, and voltage fluctuations.

The 4N38S1(TB)-V is designed to meet the requirements of many industrial applications and is suitable for isolated AC and DC control. It is well-suited for use in high-voltage environments and offers excellent electrical isolation. In addition, it is designed with a wide temperature range and is highly reliable in operation.

In conclusion, the 4N38S1(TB)-V is an optoisolator designed for use in industrial control systems. It provides high voltage protection, wide temperature range, and electrical isolation. The PNP transistor and photovoltaic LED allow signals to be transmitted from one circuit to the other, all while keeping them completely isolated. As such, the 4N38S1(TB)-V provides a reliable means of protecting sensitive circuits from high voltage fluctuations and electrical interference.

The specific data is subject to PDF, and the above content is for reference