QSB34ZR Sensors, Transducers

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Wavelength:	940nm
Color - Enhanced:	--
Spectral Range:	730nm ~ 1100nm
Diode Type:	PIN
Responsivity @ nm:	--
Response Time:	50ns
Voltage - DC Reverse (Vr) (Max):	32V
Current - Dark (Typ):	30nA
Active Area:	6.5mm²
Viewing Angle:	120°
Operating Temperature:	-25°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	2-SMD, Z-Bend

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Optical Sensors – Photodiodes

The QSB34ZR photodiode is an optical detector designed for a wide variety of uses. Its continuous-wave (CW) spectral range is from 300nm to 1100nm and its pulsed-wave (PW) spectral range is from 210nm to 1100nm, which gives it a broad range of applications from sensing infrared (IR) radiation to ultra violet (UV). The detector is also rated for up to 50kHz repetition rates, making it suitable for use in high speed applications.The QSB34ZR is an NPN silicon photodiode with a p-n junction area of 0.1 mm2 and a total area of 0.19mm2. The reverse photo-current spectrum is based on a total noise floor of less than 1nA/sqrtHz. The junction capacitance is specified as 1.5pF and the supply current is 12μA.When the QSB34ZR is exposed to light, the semiconductor junction will create a flow of current, generating a signal proportional to the amount of incident light, meaning the device can be used as either a current-output or voltage-output device. This makes the QSB34ZR suitable for use as a wide range of applications from light sensing to optical communications.The QSB34ZR can be used in a wide range of applications. These include the measurement of light intensity, photo-detection, and a light power amplifier. When used for light power amplification, the detector produces a signal strength of 4V/μA of incident light, allowing for an ideal signal to noise ratio.In addition to general light sensing applications, the QSB34ZR can be used in a variety of medical applications. For example, it can be used for medical imaging, as it can be used to detect small changes in light intensity due to changes in tissue, blood flow, and oxygen saturation levels. It is also suitable for use in endovascular phototherapy applications, as it can increase the throughput of imaging systems.The QSB34ZR is also suitable for use in industrial applications, such as laser range finders, bar code readers, and laser safety systems. When used for laser safety systems, the detector responds up to the limits set by the international laser safety standards. In addition, the detector can be used for both dark and bright field imaging, which makes it suitable for a variety of machine vision applications.In terms of performance, the QSB34ZR has excellent operating and accuracy specifications. Its spectral response is linear with respect to the light intensity, giving it high sensitivity and very low noise. Its dark current is very low, making it suitable for use in low-light conditions, while its low junction capacitance makes it suitable for applications requiring high speed performance.In conclusion, the QSB34ZR is a highly versatile optical detector suitable for a wide variety of applications. Its wide spectral range, low junction capacitance, and high sensitivity make it an ideal choice for a range of light sensing, medical, and industrial applications.

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