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By Bee Gee
#91347 Reiterating for completeness, post #32540 has a link for calculating the resistors and choosing the PNP's:

NPN Transistor Maximum Collector Current Ic
PN2222 600-mA DC
2N2222 800-mA DC
MPSA13/MPSA14 500-mA DC
2N3904/2N3903 200-mA DC