QSE773

Series:	--
Packaging:	Bulk
Part Status:	Active
Wavelength:	940nm
Color - Enhanced:	--
Spectral Range:	--
Diode Type:	PIN
Responsivity @ nm:	--
Response Time:	50ns
Voltage - DC Reverse (Vr) (Max):	32V
Current - Dark (Typ):	30nA
Active Area:	--
Viewing Angle:	120°
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole, Right Angle
Package / Case:	Radial, Side View

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QSE773 Application Field and Working Principle

Optical Sensors, such as photodiodes, have various uses in the field of science and technology. They detect, measure and convert either visible or infrared light for various purposes. The QSE773 is a specific type of photodiode and the application field and working principle of this type is discussed below. The QSE773 is a 5x5mm photo detector and it offers excellent sensitivity, as well as an extremely low dark current. This makes the QSE773 suitable for both competitive and demanding applications. It can be used in a wide variety of fields, ranging from Wi-Fi and infrared (IR) applications to medical diagnostic systems. One important application of the QSE773 is in optical 2-way communications, where it has been used to transmit large amounts of data over short distances. The key features which enable the QSE773 to have such a wide application range are: - Low dark current - Low noise - High sensitivity - High directivity - High package stability The QSE773 is based on a junction photodiode which is designed to detect light in the infrared region. It is composed of a wide-band semi-insulating GaAs substrate, and a highly doped contact layer. This allows the photodiode to collect and convert light energy into electrical signals. The spectral response of the photodiode is mainly determined by the contact layer, which is designed to channel the light to the junction, allowing for a high conversion efficiency. When the light is incident on the QSE773, the electrons generated by the photodiode are collected by the highly doped contact layer and are then sent out of the photodiode through an output pin. When the pins are connected to an amplifier, the light intensity can be measured and the light signals can be processed. The QSE773 is also known for its high operating temperature, and can be used in temperatures ranging from -25 to +85°C. It also consumes very little power, which makes it an ideal choice for portable devices such as iBeacon transmitters.The QSE773 is an excellent and versatile photodiode which has a wide range of applications. As the dark current is very low, the QSE773 can measure very low levels of light. In addition, its noise levels are extremely low, making it suitable for medical and scientific purposes. Its wide operating temperature and power consumption also make it a great choice for many applications. All in all, the QSE773 is a cutting-edge optical sensor designed to capture and convert visible and infrared light for various applications. Its advanced features make it perfect for demanding and competitive applications, while its dual sensitivity and low power consumption make it suitable for portable devices and long-distance communications.

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