The C30737EH-230-80 from Excelitas Technologies is a Photodiode with Wavelength Range 800 nm, Capacitance 1 pF, Dark Current 0.05 to 0.5 nA, Responsivity/Photosensitivity 50 A/W, Active Area Diameter 230 µm. More details for C30737EH-230-80 can be seen below.