The G12183-130K from Hamamatsu Photonics is a Photodiode with Wavelength Range 0.9 to 2.57 µm, Capacitance 3400 to 5000 pF, Dark Current 9 to 90 µA, Responsivity/Photosensitivity 1 to 1.3 A/W, Active Area Diameter 3 mm. More details for G12183-130K can be seen below.