SFH690AT3

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The SFH690AT3 is an optoisolator device of the transistor, photovoltaic output type. This electronic component is used to electrically isolate one circuit from another in order to protect sensitive components or equipment from potentially damaging voltages or currents. The SFH690AT3 isolates signals between circuits with different voltage levels and ensures that current and voltage transfer takes place without affecting the operation of the connected circuits.

The optoisolator consists of a light-emitting diode (LED) and a photosensitive transistor containing a photodiode, also referred to as a photocoupler. In operation, the LED emits photons in response to a voltage or current applied to its input. These photons are then detected by the photodiode, which converts them into electrical current that is then supplied to the optoisolator’s output. In this way, the optoisolator provides electrical isolation between the two circuits that it is connected to, while still allowing signals to pass between them.

The SFH690AT3 is designed for use in a variety of applications and is suitable for ensuring signal integrity in computer-controlled equipment and applications, including PLCs, telecommunications and industrial automation. It can be used as an optocoupler in applications such as switching, motor control and power supply switching. It can also be used as an interface between two circuits with different ground potentials, or as an interface between DC and AC loads.

The SFH690AT3 is compatible with a wide range of power supply voltages and is designed to maintain a high degree of signal integrity. It is designed to operate at a temperature range of -40 to +85°C and is capable of switching a signal of up to 20mA. The circuit has maximum output current of 100mA and a maximum waveform distortion of 0.5%.

The device is available in a compact package, making it suitable for a variety of applications where space is limited. It has a low profile, smaller footprint, and is easy to install, making it suitable for use in a range of systems. The SFH690AT3 is an efficient, reliable and cost-effective optoisolator device, offering outstanding performance for a variety of applications.

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