The G11193-10R from Hamamatsu Photonics is a Photodiode with Wavelength Range 0.9 to 1.7 µm, Capacitance 55 to 120 pF, Dark Current 800 to 4000 pA, Responsivity/Photosensitivity 0.75 to 1 A/W, Active Area Diameter 1 mm. More details for G11193-10R can be seen below.