SFH1617A-2

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Optoisolators, also known as optocouplers, are components used to isolate items- typically circuits- from each other. Many optoisolators contain a light source such as a light-emitting diode (LED) and a photodetector such as a phototransistor. The SFH1617A-2 optoisolator is a transistor, photovoltaic output optocoupler manufactured by Siemens. This optoisolator is designed to provide electrical isolation between two circuits.

The SFH1617A-2 optoisolator contains an LED mounted in a 8-pin Dual In-line Package (DIP) package. It is designed to operate in the -20°C to +85°C temperature range and is rated for a maximum collector-emitter voltage of 32V. The LED has a typical forward voltage of 1.3V and a typical forward current of 3.4mA at an ambient temperature of 25°C. The optoisolator includes a silicon phototransistor in a 6-pin DIP package, and the transistor has a maximum collector current of 50mA.

The SFH1617A-2 optoisolator works by generating a photocurrent inside the phototransistor when the LED is energized. This photocurrent triggers the transistor, which can then drive an external load. The electrical isolation between the LED and the phototransistor allows for electrical isolation between the input and output circuits. This makes the optoisolator a useful tool in safety-critical applications, such as medical equipment, because it allows signals and power to be transferred between two circuits without any direct electrical connection.

The SFH1617A-2 optoisolator is also designed to provide high-speed operation. The optoisolator features a high-frequency switching response, with a typical turn-on time of 2.6µs and a typical turn-off time of 2µs. This makes it suitable for applications such as motor control, computer peripheral interface, and telecommunication systems.

The SFH1617A-2 optoisolator is a versatile component and can be used in a wide variety of applications. It is suitable for use in medical device, industrial automation, telecom, automotive, and consumer electronics applications. The high-frequency switching response makes it ideal for applications requiring high-speed response times.

In summary, the SFH1617A-2 optoisolator is a transistor, photovoltaic output optocoupler manufactured by Siemens. It provides electrical isolation between two circuits and can operate at high speed, making it suitable for a wide variety of applications. It is widely used in industrial, medical, automotive, and consumer electronics applications.

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