H11A617BS

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, specifically Transistor Photovoltaic Output (H11A617BS) devices, are electronic components used to isolate two separate circuits. They offer complete electrical insulation between two circuits, allowing a signal to pass from one to the other while protecting each circuit from interference or damage originating on the other. This insulation makes them an essential component of many modern communication and control systems.

At the heart of an optocoupler is an LED light source that couples to individual phototransistor output circuits. When a signal arrives at the input of the optocoupler, the internal LED emits light in proportion to the signal strength and the phototransistor produces a corresponding signal at its output. The connection between the input and output is entirely optical, so the optocoupler offers complete electrical isolation between the two circuits. H11A617BS optoisolators, for example, employ an infrared LED emitting at a wavelength of about 940nm, allowing digital signals to be transmitted across distances up to 400m in noiseless environments.

Since they are usually tailored for specific data transmission protocols and applications, optoisolators are typically multi-pin devices, with an input, output and various control and reference pins. The H11A617BS optoisolator is no exception and features six pins, an LED anode and cathode, a transistor collector and emitter, and a pair of reference pins.

The working principle of the H11A617BS optoisolator is that when the input signal being transmitted exceeds the LED forward voltage, the LED emits a focused beam of infrared light. This light beam is guided to the phototransistor where it triggers a current to flow through the output, effectively replicating the input signal. Of note is that the current through the output will only be proportional to the LED current and will remain relatively uninfluenced by differences in voltage between the two circuits. The H11A617BS is designed to provide high signal transmission speeds of up to 16Mbit/s, low power consumption of only 120 mW and noise immunity up to 100 dB.

H11A617BS optoisolators have a wide variety of applications, from medical electronics and automotive control systems, to military and aerospace applications. For instance, they are commonly used in automotive controllers to protect driver circuits from high voltage inductive load transients. Their ability to transmit data reliably over long distances without introducing electrical interference makes them ideal for use in industral process control systems. In military and aerospace environments, these devices are used to protect satellite receivers from interference from other satellites and external noise.

In conclusion, H11A617BS optoisolators are a vital component of many modern electronic communication and control systems. They offer isolation between two circuits and provide secure data transmission over long distances while preserving the quality of the signal. The high transmission speeds, low power consumption and high noise immunity of the H11A617BS make them an ideal choice for applications that require reliable data transmission in noisy environments and over long distances.

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