the 2N2218 is a fatter type of 2N2222. you can use the 2N3866 instead.
they are expensive in india. but they might be easier to find elsewhere.
- farhan
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On Mon, 21 Jun 2004, Hans Summers wrote:
Rapid do not stock 2N2218 driver transistors, nor are they at Farnell
. However I have managed to find a different source
for supply of 2N2219A which is like the 2N2218 but has better gain
specification. I'm sure it will be suitable.