H11A3TM

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Optoisolators are used in a variety of different applications, due to their ability to reliably and securely transfer information and signals between two different electrically isolated systems. One such type of optoisolator is the H11A3TM, which is a transistor, photovoltaic output optoisolator designed specifically for switching current solenoids.

The H11A3TM optoisolator features an optically coupled NPN output transistor and a receiver phototransistor. It is designed to switch solenoid coils in both AC and DC applications. The optoisolator has a high output current of up to 300mA which makes it suitable for switching large solenoid coils.

The device can operate at a peak of up to 500V of surge voltage, and has a Collector-Base breakdown voltage rating of up to 50V, making it suitable for applications requiring a high voltage isolation rating. Additionally, the optoisolator features a high optical isolating power of up to 6000Vrms. It also has an on-state collector-emitter voltage rating of up to 100V, which ensures it can easily handle large demand currents.

The H11A3TM optoisolator works by using light as an intermediary between the input and output circuits. The device is designed such that it can only be operated with visible light, making it suitable for use with a large number of applications. When the input device receives power, it triggers the receiver phototransistor in the optoisolator which then turns on the optically coupled NPN output transistor, thus switching on the output coil.

The device has a low operating power consumption of up to 10mW, making it suitable for a variety of different power supplies. Additionally, the optoisolator features a low turn-on time of just 3microseconds, which is ideal for applications that require quick response times. Finally, the optoisolator has a high thermal resistance rating, making it suitable for use in a wide variety of applications which require high heat dissipation.

Overall, the H11A3TM optoisolator is an excellent option for solenoid switching applications which require high levels of isolation. It is designed to easily handle high voltage and current levels while also providing quick response times and low power consumption. Its high thermal resistance rating makes it ideal for use in applications which require high heat dissipation, and its reliable optoisolation ensures secure and reliable signal transmission.

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