The C30617 from Excelitas Technologies is a Photodiode with Wavelength Range 1300 to 1500 nm, Bandwidth 3.5 GHz, Capacitance 0.45 to 1 pF, Dark Current <1 to 2 nA, Responsivity/Photosensitivity 0.65 to 0.90 A/W. More details for C30617 can be seen below.