The PL-1700-IGA-QD1-TO from LD-PD Inc is a Photodiode with Wavelength Range 1000 to 1700 nm, Capacitance 10 to 15 pF, Dark Current 25 to 100 nA, Responsivity/Photosensitivity 9 to 9.5 A/W, Active Area Diameter 4 mm. More details for PL-1700-IGA-QD1-TO can be seen below.