The G12183-010K from Hamamatsu Photonics is a Photodiode with Wavelength Range 0.9 to 2.6 µm, Capacitance 500 to 1000 pF, Dark Current 3 to 30 µA, Responsivity/Photosensitivity 1 to 1.3 A/W, Active Area Diameter 1 mm. More details for G12183-010K can be seen below.