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Optoisolators - Transistor, Photovoltaic Output

Optoisolators - Transistor, Photovoltaic output products offer the unique capability to electrically isolate the input of a system from the output. This type of optoisolator is often used when receiving any kind of signal from outside the system, as it can guarantee full electrical isolation between the transmitter and receiver. The PS2381-1Y-L-AX optoisolator is designed specifically for use in low-voltage applications, offering reliable isolation up to 350 VDC.

Application Fields

The PS2381-1Y-L-AX optoisolator is best used in low-voltage applications, where higher isolation voltage is needed than that provided by other optoisolators. It is particularly suited to any application that requires the transmission or reception of low voltage signals over an electrically isolated connection. These applications include medical equipment, analyzing instruments, as well as data or signal transmission and processing systems. The optoisolator can also be used in communication lines for telephone systems or industrial process control systems.

Working Principle

The PS2381-1Y-L-AX optoisolator consists of a photodarlington structure, which consists of two SCRs connected in series. The input signal is applied to the base of the phototransistor and when the transistor is switched on it supplies a voltage to the base of the SCRs, which will in turn switch on and supply current to the collector. The current in the collector is then used to control the output of the optoisolator. Depending on the input signal, the SCR\'s either switch on or off again and will control the conduction of the optoisolator accordingly.

Because of its two-SCR architecture, the PS2381-1Y-L-AX optoisolator provides excellent electrical isolation between the input and the output. By providing a low current input to the optoisolator, the optoisolator is able to provide reliable isolation up to 350 VDC. The optoisolator is also able to withstand extreme temperature fluctuations, making it ideal for use in industrial and commercial environments.

The PS2381-1Y-L-AX is a versatile optoisolator, and is suitable for use with both TTL and CMOS logic systems. It is also compatible with a wide range of transistors, relays and integrated circuits, allowing it to be used in conjunction with a variety of different devices. The optoisolator is also designed to be compatible with standard repair kits, allowing for easier maintenance in the event of component failure.

Conclusion

The PS2381-1Y-L-AX optoisolator is an ideal choice for applications where a high level of electrical isolation is required for low voltage signals. It offers reliable performance and excellent compatibility with a variety of transistors, relays and integrated circuits. Its two SCR architecture provides excellent electrical isolation up to 350 VDC, and also provides reliable performance in extreme temperatures. The optoisolator is also compatible with standard repair kits, making maintenance a simple and straightforward process.

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