For my locality a great variety of diodes are practically unknown, so it has to do as many times we do here, to use a chassis to recover spare parts, or simply to be guided by the characteristics of the component and look for another one that provides the same thing; The super fast diodes here are not known, I think they start commercially with SF, so I can think of a SF24 ...
http://pdf1.alldatasheet.com/datasheet-pdf/view/2736/MOSPEC/SF21.html