The JEA5C from ifw optronics is a Photodetector with Wavelength Range 225 to 280 nm, Active Area Diameter 2.525 mm, Capacitance 500 to 750 pF (Junction), Dark Current 500 fA, Responsivity/Photosensitivity 0.18 A/W. More details for JEA5C can be seen below.