PC81712NSZ1H

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Optoisolators are a kind of isolation device widely used in electronics, automation and computer applications. The PC81712NSZ1H is an optoisolator from Toshiba Electronics, which is a transistor, photovoltaic output (TXP) isolator. It is a unique product for high efficiency isolation applications in industrial and commercial systems.

Features

• High efficiency & fast turn-on
• Thermally stable
• Low saturation voltage
• Low ON-state voltage
• High isolation voltage: 5kV
• TTL compatible
• 30mA current transfer ratio (CTR)
• CMOS compatible input
• ESD sensitive

Application field

The PC81712NSZ1H is suitable for various industrial and commercial applications such as control systems, test equipment, computers, interfaces, instrumentation, and home appliances. It can also be used for medical applications, such as sensing, controlling and measuring the temperature, pressure and other physical parameters for medical equipment. Due to its high isolation voltage, it can prevent the transmission of electrical failure from the system to the controlled device.

Working principle

The PC81712NSZ1H works on a transistor, photovoltaic output (TXP) principle. The input is an LED which is optically coupled to an integrated circuit (IC) which contains a transistor and a high-impedance photodetector circuit. When the LED is illuminated, the photodetector circuit senses the change in current and delivers an amplified voltage to the output. The TXP optocoupler can also detect temperature, pressure and other physical parameters and convert them into digital signals that can be sensed and used by the set controllers.

Conclusion

The PC81712NSZ1H optoisolator from Toshiba Electronics is a transitor, photovoltaic output (TXP) isolator that is suitable for various industrial and commercial applications. It has a 30mA current transfer ratio, high isolation voltage and is built on a transistor, photovoltaic output principle. It is a reliable and efficient device for controlling and monitoring temperature, pressure and other physical parameters in various systems.

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