I think the yellow ones are surface mount devices. They will not have pins in the same way as "ordinary" LEDs and are harder to work with.
2009/5/6 rigdent <[email protected]>: > >> >> Thanks for the links they are very helpful, the shop only appears to sell >> the ones with the plastic/glass domes, have you ever seen the yellow >> material type I mentioned, you can see them on the link below in completed >> bulbs that was given earlier, but I haven't been able to find anywhere that >> sells these actual types of LED separately or whether they are better or >> worse than the dome types. > > Brian I think the yellow ones only look like that because you are looking > straight through the cap onto the emitting surface. The LED itself has to be > protected from the environment by some sort of case otherwise they die very > quickly. > > Regards > > Terry > > > > ------------------------------------ > > Yahoo! Groups Links > > > > -- Nigel Stanley
