SILICON PHOTOMULTIPLIER, 420NM, SMD-32; Sensor Type:Silicon Photomultiplier; Array Format:4 x 4; Active Area Dimensions:16mm x 16mm; Board Dimensions:16mm x 16mm; Microcell Size:40µm; Optimized Wavelength:420nm; No. of Pins:32Pins RoHS Compliant: Yes