H11AA814

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 - Transistor, Photovoltaic Output - are a category of semiconductor device that connects two isolated circuits electrically while maintaining a level of optical isolation between them. The H11AA814 optoisolator specifically provides non-saturating, low-current control and trigger isolation between the controlling and controlled circuits. With its high isolation voltage rating (up to 12500V), high reliability and low gate response time, this component is widely used for safe and high-speed signal transfers.

The H11AA814 optoisolator is a four-pin (DIP-4) small package component consisting of an infrared LED, input transistor, insulated photovoltaic output transistor and base-emitter resistor. The input transistor consists of a light-emitting diode (LED), input collector resistor and output base resistor. The photovoltaic output consists of an insulated gate control transistor with the emitter connected to the gate of the output side transistor. The input side of H11AA814 optoisolator is connected to the controlling circuit and the output side is connected to the controlled circuit.

In operation, the H11AA814 optoisolator can provide an isolation voltage of up to 12500V while offering low power consumption and fast speed. When an input voltage is applied to the LED, it prompts the emission of light which is then picked up by the photovoltaic detector. The photovoltaic detector, in turn, turns the output transistor on or off depending on the input voltage and current from the input side. The output transistor, in turn, supplies the necessary current to drive the controlled circuit, isolating the two circuits safety and securely.

The high isolation voltage rating of the H11AA814 optoisolator supports its use in applications requiring protection from high voltage transients or spikes. As such, this component is used in telecom equipment, motor control, switching power supplies, medical electronics, industrial controls, and automation. The H11AA814 is sensitive to temperature, therefore, it is important to consider its environment and its storage to prevent it from cracking. Careful measures should also be taken when soldering or de-soldering the device, as it is highly sensitive to heat.

In conclusion, the H11AA814 optoisolator is a high-reliability, high- transmission speed, low-cost optoisolator that provides secure optical isolation between the controlling and controlled circuits. It is designed with advanced isolation technology capable of withstanding high voltages and comes in a small and easy-to-handle package. Owing to its excellent performance, this component can be used for a variety of applications in telecom, healthcare, and automation.

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