2 0 ster n ave . springfield , ne w jerse y 0708 1 u.s a 2n493 4 2n493 5 2n493 6 telephone : (973 ) 378-298 2 (212 ) 227-800 8 fax : (973) ; maximu m ratings , absolute-maxinun values: gollector-to-bas e voltage , 2nh93 4 2n493 5 2rw36 vcb o 4 0 5 0 5 0 max . cdluictor-to-emitte r voltage , vce o 3 0 4 0 4 0 max . emitter-to-bas e voltage , veb q 3 3 3 ma x collecto r current , i n ? ? ? .limite d b y dissipatio n transisto r dissipation , p t a t ambien t \p t o 25c . . 20 0 max . temperature s / abov e 25c . . derat e a t 1.1 4 m\v/ c temperatur e range : storag e an d operatin g (junction ) -6 5 t o +20 0 lea d temperatur e (durin g soldering) : a t distance s no t les s tha n 1/32 " fro m seatin g surfac e fo r 1 0 second s max . . ' 26 5 max . silico n n-p- n transisto r electrica l characteristics , a t ambient temperature (ta) o f 25c : characteristi c collector-cutof f curren t co l lector-to-bas e breakdow n voltag e collector-to-emitte r breakdow n voltag e emitter-to-bas e breakdow n voltag e d c forwar d current - transfe r rati o magnitud e of small - signa l forwar d current - transfe r rati o collector-to-bas e feedbac k capacitanc e collector-to-bas e tim e constan t small-signal , common - emitte r powe r gai n i n unneulralize d amplifie r circui t (se e figs. l an d 4 ) small-signal , common - emitte r powe r gai n i n neutralize d amplifie r circui t measure d nois e figur e symbo l icb o bv cb o bvce o bveb o v e t i q ihfe l ccb b 'b' c c r ijp e f " gp e nf tes t condition s frequenc y [ mh z ? - - ? - 1kh z 10 0 mh z 0. 1 t o 1 31. 9 20 0 45 0 45 0 20 0 se e figs. 1 an d 2 45 0 se e figs . 3 an d 4 d c collector - to-bas e voltag e vc b v 1 5 - - - - 8 8 - - rs % 200 0 r s = 10 0 n c d c collector - to-emitte r voltag e vc e v -- - - 8 . 8 8 - - 8 8 8 8 d c emitte r curren t i e m a 0 0 ib= o -0.00 1 - - 0 - 2 - - - - d c collecto r curren t 1 c m a - 0.00 1 1 0 2 2 2 - - 2 2 2 2 limit s typ e . 2n493 4 min . - 40 3 0 3 4 0 4 5 7 - 1 1 8 - - typ . - ? - - -- 0. 2 - - - - max . 1 0 - - - 17 0 19 5 1 6 0.2 5 8 2 g - 3. 5 typ e 2n493 5 min . - 5 0 40 3 6 0 7 0 7 - 1 2 1 - - ty p - -- - - - 0. 2 ? - - - max . 1 0 - - - 20 0 22 5 1 6 0.2 5 6 2 8 - 3. 0 typ e 2m93 6 min . - 5 0 4 0 3 > g 7 0 7 - 1 1 3 - - typ . -- - - - - u. 2 - - 2 0 - max . 1 0 - - - 25 0 28 0 1 6 , 0.2 5 6 1 8 - - 4. 5 unit s n a v vv - - p f p s d b d b d b m i >emi-<_onduttor s reserve s th e ngn t t o cnang e res t conditions , paramete r limn s an d packug e dimension s withou t notic e informatio n furnishe d b y n j scmi-cunductor s i s believe d t o h e hol h uccural e an d reliabl e .1 1 th e lim e o f goin g l o press . howeve r v i scini- c oiidiii;u>r s assume s n o responsibilit y fo r an y emir s n r omission s discovere d i n it s us e n j .semi-condiillur s cncounige s customer s t o vcrif v lha l julushcet s ar e curren t befor e placin g order s downloaded from: http:///
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