On the ones we built (some time ago), I don't think we had any capacitor failures with the standard 450V, 105 degree types we used. David... Jinx wrote: > Are there any particular parameters to look for when selecting > the storage capacitor ? For example series resistance. The flash > tube draws a lot of current for a short time and I worry that this > is like the screwdriver method of discharging a capacitor, which > I believe is not good for it > -- ___________________________________________ David Duffy Audio Visual Devices P/L Unit 8, 10 Hook St, Capalaba 4157 Australia Ph: +61 7 38235717 Fax: +61 7 38234717 Our Web Site: www.audiovisualdevices.com.au ___________________________________________ -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist