Featuring single-channel, back-illuminated design, BI-SMT Photodetector Series is suited for X-ray inspection, computed tomography, and general industrial tasks. Model 33BI-SMT features active area of 5.76 mm² and dimensions of 2.4 x 2.4 mm, while Model 55BI-SMT has 19.36 mm² active area and 4.4 x 4.4 mm dimensions. With 9.4 x 9.4 mm dimensions, Model 1010BI-SMT features larger 88.36 mm² active area. Devices operate from -20 to +60°C and offer easy coupling to scintillators.