OLS449

Optoisolators are electrical devices used to isolate circuits. Its purpose is preventing small electrical signals from expanding into larger electrical signals, which can damage or destroy electronic components. OLS449 is a type of optoisolator with a transistor photovoltaic output. This means that light is used to trigger a transistor which controls and allows electrical signals to pass through. This type of optoisolator provides complete electrical isolation from the input and output circuits.

There are many applications that make use of the OLS449 optoisolator. It is ideal for controlling currents or amplifying signals. It is also used to protect electrical circuits from overloads, ground loops, and other similar problems. Additionally, it is commonly used in circuits for switching, timing, and proportional control.

The working principle of the OLS449 is quite simple. Light is emitted from the input circuit and passes through a transparent window onto the photodiode. The photoelectric effect occurs in the photodiode, producing a small current that is then amplified by the transistor. This amplified signal is then used to control the current through the collector-base junction of the transistor to change the electrical state. This allows current to pass into the output circut.

The OLS449 optoisolator can be used in a variety of different circuits for various applications. It can be used to control currents in a relay or other type of contactor, as well as protect or isolate circuits. It is also used to amplify signals in analog circuits and provide complete electrical isolation. The OLS449 optoisolator is a useful and reliable device that can be used to improve the safety and reliability of circuits.

OLS449

Skyworks Sol...

55.35 $

1000

OPTOISO 1KV 40MA SMTOptoi...