Forum o svemu i svačemu, ALI vezanim za elektroniku.
Moderators: pedja089 , stojke369 , [eDo] , trax , LAF
23101988
Pocetnik na forumu
Posts: 28 Joined: 02-08-2005, 09:15
Post
by 23101988 » 08-05-2006, 14:08
gdje naci taj tranz i koji mu je zamjena
Dejan
Napredujem
Posts: 111 Joined: 02-01-2006, 02:54
Post
by Dejan » 08-05-2006, 17:27
2N222A ti ne postoji, ima 2N2222A - (Si-N Uni Vcbo/ 75Vceo 0.8A 0.5W>250MHzB>100)
Zamijenit ga možeš s nekim klasičnim NPN-om, kao BC107 i BC109.
Firkragg
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by Firkragg » 08-05-2006, 18:19
U datasheetari gdje sam gledao je isto greska, 'postoji' 2N222 ali otvori datasheet za 2N2222.
Dejan
Napredujem
Posts: 111 Joined: 02-01-2006, 02:54
Post
by Dejan » 08-05-2006, 18:22
OK onda, ja sam tražio na alldatasheet i nema ga.
23101988
Pocetnik na forumu
Posts: 28 Joined: 02-08-2005, 09:15
Post
by 23101988 » 08-05-2006, 18:33
dakle sta treba radit
na shemi i u opisu je 2n222a
neznam sta da radim
buco
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by buco » 08-05-2006, 18:48
To ti je Ge-P tip nema zamijene po katalogu [ prave ] .
karakteristike Uni 12V 0,07W !
pogledaj medju AC tranzicima nesto slicno , isto nema !!
23101988
Pocetnik na forumu
Posts: 28 Joined: 02-08-2005, 09:15
Post
by 23101988 » 08-05-2006, 19:03
jel bi bio bc639
buco
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by buco » 08-05-2006, 19:10
Malo je "prejak" bc 639 a i N-tipa , vidi Uni Si-P BC557 on ce prije tamo ic !!
23101988
Pocetnik na forumu
Posts: 28 Joined: 02-08-2005, 09:15
Post
by 23101988 » 08-05-2006, 19:18
ali 2n222a je npn silikonski
Firkragg
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by Firkragg » 08-05-2006, 19:46
Shema? (ako je neka stara knjiga nije ni cudno sto je germanij...
)
23101988
Pocetnik na forumu
Posts: 28 Joined: 02-08-2005, 09:15
Post
by 23101988 » 08-05-2006, 19:53
91godiste ma stavit cu 2222
buco
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by buco » 08-05-2006, 22:10
Ti stavljaj sto ti srcu drago ali 2N222 je Ge-P [ germanij P tip ] navedenih karakteristika , a dal se netko zabunio i zaboravia jos jednan broj 2 u shemi !?
23101988
Pocetnik na forumu
Posts: 28 Joined: 02-08-2005, 09:15
Post
by 23101988 » 09-05-2006, 13:50
ma ja sdam početnik pa ono
neznam jel krivo
esed
Penjem se :)
Posts: 99 Joined: 26-05-2006, 08:24
Location: Travnik
Post
by esed » 30-05-2006, 13:12
jest krivo al moreš ga zamjenit sa BC337-25(45V Vce 800mA Ic 625mW) neznam za tranzitnu frekvenciju
esed
Penjem se :)
Posts: 99 Joined: 26-05-2006, 08:24
Location: Travnik
Post
by esed » 31-05-2006, 12:29
sazno sam i tranzitnu frekvenciju, iznosi 200MHz