The AXUV63HS1 from Opto Diode Corporation is a Photodiode that operates at a wavelength of 200 nm - 1100 nm. It has a circular active area of 63 mm2 and rise time of less than 10 ns. This photodiode has a dark current of up to 100 nA, capacitance of 700 pF, and reverse breakdown voltage over 160 V. It has protective cover plate and is available in a package that measures 16.5 mm x 15 mm. This photodiode is ideal for electron detection applications.