The G12182-110K from Hamamatsu Photonics is a Photodiode with Wavelength Range 0.9 to 2.07 µm, Capacitance 200 to 500 pF, Dark Current 10 to 100 nA, Responsivity/Photosensitivity 1 to 1.2 A/W, Active Area Diameter 1 mm. More details for G12182-110K can be seen below.