HO what a BIG twit I am, for wasting your time (and a few hours myself trying many options on google). It is not EG84 it must be E684, (I will have another look next time I go back to work) you see I know the value, I thought it was a new secret code for capacitor markings and wanted to get that, I did not post the value until I saw what would of been the "a new code". So now I know it must be 684 that is right 680nF.
However E is the code for 25 Volts, it should be C for 16 Volt as it is a 16 Volt 680nF capacitor, it come off a reel from Fenghua Advanced Technology part number T450A16841CMAP4
So that completes my question and shows that all of the SMT markings can be found on Internet via google or whatever.
------- MORE ------- and we have even more time wasted.
OK here is a table that matches E=16V C = 6.3 V D = 10 V E = 16 V F = 25 V G = 40 V H = 63 V http://library.solarbotics.net/pieces/parts_elect_pass_cap_code.html
the other earlier table I had is; e=2.5V G=4V J=6.3 A=10V C=16V D=20V E=25V V=35V H=50V
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