The C30618 from Excelitas Technologies is a Photodiode with Wavelength Range 1300 to 1500 nm, Bandwidth 0.75 GHz, Capacitance 3.7 to 6 pF, Dark Current <1 to 5 nA, Responsivity/Photosensitivity 0.65 to 0.90 A/W. More details for C30618 can be seen below.