The QSB34CGR is a fast silicon PIN photodiode in a surface-mount PLCC-2 package intended for over-mount board configurations. It features a wide reception angle of 120 degrees and a large 2.55 mm x 2.55 mm sensitive area, providing high sensitivity. The device has a peak sensitivity wavelength of 940 nm and a spectral sensitivity range from 400 nm to 1100 nm. Key electrical characteristics include a low capacitance of 25 pF, fast rise and fall times of 50 ns, and a maximum dark reverse current of 30 nA. Its robust operating temperature range of -25°C to +85°C makes it suitable for a variety of high-speed optical sensing applications.