Rapid Electronics have a small selection of cold cathodes (mostly white i think) but they have just started doing UV ones ie they only do one atm and i cant find the price 4 it GRRRRRR but it will probably be about 6 squids 100mmlength x 3.2mm diameter = order code: 23-4426 a 5v single output invertor (23-4416) costs 10 quid
