VEMT4700F-GS08

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Optical sensors using phototransistors are widely used in a variety of applications, from simple lamp dimming to complex motion detection systems. One of the most versatile and reliable sensors of this type is the VEMT4700F-GS08. It is an analog two-channel phototransistor composed of a gallium arsenide (GaAs) photodiode and two phototransistor circuits. It has a wide optical spectral response from 350nm to 1100nm, making it highly suitable for a wide range of applications.

The VEMT4700F-GS08 is an ideal choice for applications that require high performance, low-noise signals. Typical applications include automotive lighting, medical diagnosis, laser/LED sensing, industrial safety systems and high speed switching. The sensor’s fast switching time of 10µs ensures accurate detection and minimizes power consumption.

The working principle behind the VEMT4700F-GS08 is simple. Its two channels consist of a photodiode and two phototransistor circuits. The photodiode is sensitive to the incoming light and generates a current that is proportional to the intensity of the incident light. The current then passes through two transistors, which amplifies the signal and converts it into a voltage that is outputted from the sensor.

The VEMT4700F-GS08 also provides excellent immunity to temperature, humidity, and EMI/RFI interference. It can operate from -20℃ to +100℃ with minimal error. It also has a long life expectancy of 10 million hours, making it highly reliable for long term applications.

The VEMT4700F-GS08 is an ideal choice for a wide range of applications that require accurate and reliable light sensing. its fast response time, wide spectral response, temperature stability, and low power consumption make it suitable for a variety of applications. With its excellent reliability and performance, the VEMT4700F-GS08 is an excellent choice for any light sensing applications.

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