S5KC20 and V19B Equivalent

Update:

I found a suitable replacement - thanks

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Hello,
Can you please suggest the best and EU available equivalent for
S5KC20 Rectifier diode
http://pdf.datasheetarchive.com/datasheetsmain/Datasheets-X2/DSA874000-56.pdf
and
V19B diode
http://www.datasheetdir.com/V19B download
(used in DC-DC converter)

Regards,
Robert