SFH 320G-3/4-Z

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A phototransistor is a light-sensitive electronic device commonly equipped with the SFH 320G-3/4-Z optical sensor chip. It is used in a wide range of applications including healthcare, home automation, and factory automation. Phototransistors convert optical signals into electrical signals. The SFH 320G-3/4-Z optical sensor chip is particularly suited for use in optical detection and sensing applications.

The SFH 320G-3/4-Z phototransistor is a flip-chip semiconductor device with three leads. It consists of a phototransistor, a photodiode, and a diode. The center photodiode has a wide linear sensitivity range from visible light up to the near infrared spectrum. Additionally, the device has high responsivity and low dark current characteristics and comes in a very small package. The phototransistor has an internal bipolar transistor, so the collector is connected to the substrate, eliminating the need for a bias voltage.

The SFH 320G-3/4-Z sensor chip utilizes a light gathering element which converts incident light photons into electron-hole pairs under the effect of the p-n junction. The generated electron-hole pairs are swept away by the built-in flow and form a current resulting from the optical signal itself. When the light illuminated onto the phototransistor is greater than a given level, the device conducts a current. Conversely, if the light level is too low, the transistor does not conduct. The SFH 320G-3/4-Z optical sensor chip has a dynamic range of 1-100,000 lux, which is the range of brightness commonly used for various optical detection and sensing applications.

The SFH 320G-3/4-Z phototransistor is used in many applications that require low light levels, such as optical detection and sensing of extremely low levels of illumination. Examples include biomedical sensors, security systems, night vision devices, infrared LED lighting, and consumer electronic equipment. The SFH 320G-3/4-Z optical sensor chip is also a popular choice in various inspection and detection applications such as barcode scanners, product inspection, and automation. Further, it can be used for light detection in astronomical research, spectrometry, and optical communication.

In summary, the SFH 320G-3/4-Z optical sensor chip is a cost-effective and reliable phototransistor module featuring three leads and a wide and linear sensitivity range. It is suitable for many optical detection and sensing applications where low light levels are present. The SFH 320G-3/4-Z’s small size and low power consumption make it an ideal choice for various high-precision inspection and detection applications.

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