Buy the OSI Optoelectronics OSD60-5T Blue endhanced Si Photodiode,60mm2, Polarity Reverse, Diameter 13.97mm, Peak Photo Sensitivity 0.21A/W, Mounting Type Through Hole, Wavelength of Peak Sensitivity 436nm, Series OSD, Diode Material Si, Typical Rise Time 30µs, Maximum Wavelength Detected 1100nm, Height 0.17in, Minimum Wavelength Detected 350nm, Package Type TO-8, Number of Pins 3, Spectrums