The 2651A from EMCORE Corporation is a Photodiode with Wavelength Range 1100 to 1600 nm, Bandwidth 1000 MHz, Capacitance 0.35 to 0.4 pF, Dark Current 5 to 50 nA, Responsivity/Photosensitivity 0.90 to 0.98 A/W. More details for 2651A can be seen below.
