Take a look at BD435, 36, 37, 38, 39, 40, etc The Hfe is abaout what you need if iI remember correct For very low saturation and or *very high* gain take a look at Zetex Matrix transistors Otherwise consider another design and use MOSFET. Regards /Morgan At 19:41 1998-07-25 -0400, you wrote: >Hi! > >I'm looking for recomendations for TO-220 NPN and PNP transistors that have >moderate current gains at about 1 Amp. Should be good for at least 40V, hfe >greater than 100, reasonably robust. My old standbys TIP31, TIP32, TIP41, >TIP42 don't have enough gain and the TIP120 - TIP127 are darlingtons and >have too much voltage drop. I don't need complimentary pairs so unmatched >parts are fine. North American part numbers preferred. Any thoughts? > >Thanks! > >dwayne > > >Dwayne Reid >Trinity Electronics Systems Ltd Edmonton, AB, CANADA >(403) 489-3199 voice (403) 487-6397 fax > > / Morgan Olsson, MORGANS REGLERTEKNIK, SE-277 35 KIVIK, Sweden \ \ mrt@iname.com, ph: +46 (0)414 70741; fax +46 (0)414 70331 /