The C30723GH from Excelitas Technologies is a Photodiode with Wavelength Range 800 to 1700 nm, Bandwidth 3 MHz, Capacitance 2 to 15 pF, Dark Current 0.3 to 20 nA, Responsivity/Photosensitivity 0.10 to 1.05 A/W. More details for C30723GH can be seen below.