u na. 2 0 ster n ave . springfield , ne w jerse y 0708 1 u.s.a . telephone : (973 ) 376-292 2 (212 ) 227-600 5 fax : (973 ) 376-896 0 technical data pn p silico n smal l signa l transisto r qualified per mil-prf-19500/382 devices 2N2944 a 2n2945 a 2n2946 a maximu m rating s rating s collector-emitte r voltag e emitter-collecto r voltag e collector-bas e voltag e emitter-bas e voltag e collecto r curren t tota l powe r dissipatio n @ t a = +25" c operatin g & storag e junctio n temperatur e rang e sy m vcr a v,;c o vod o v|.;b o it : p,< " tj . t rt g 2N2944 a 1 0 1 0 1 5 1 5 2n294s a 2 0 2 0 2 5 2 5 2n2946 a 3 5 3 5 4 0 4 0 10 0 40 0 -6 5 t o +20 0 uni t vd c vd c vd c vd c mad c m w " c 1 ) derat e linearl y 2.3 0 mw/' c abov e t a = +25 c electrica l characteristic s (t a = 25 c unles s otherwis e noted ) to-46 * "se e appendi x a fo r packag e outlin e characteristic s symbo l min . max . uni t of f characteristic s collector-emitte r breakdow n voltag e l ( . = 1 0 nad c 2N2944 a 2n2945 a 2n2946 a emitter-collecto r breakdow n voltag e 1 , = lo^ad c 2N2944 a 2n2945 a 2n2946 a collector-bas e cutof f curren t i( - = 1 0 hadc , v a , = -1 5 vd c 2N2944 a l r = 1 0 ^adc , v c - ? = -2 5 vd c 2n2945 a i ( = 1 0 nadc , v ( - u = -4 0 vd c 2n2946 a v(i)i()ri-: o v(hr)i;c n 'cn o 1 0 2 0 3 5 1 0 2 0 3 5 1 0 1 0 1 0 vd c vd c i^ad c pad c pad c qualit y semi-conductor s downloaded from: http:///
^e-ml-dondactoi , o ne. 2 0 ster n ave . springfield , ne w jerse y 0708 1 u.s.a . telephone : (973 ) 376-292 2 (212) 227-600 5 fax : (973 ) 376-896 0 2N2944a , 2n2945a , 2n2946 a electrica l characteristic s (coitt) dynami c characteristic s (2 ) puls e test : puls e widt h = 300us , dut y cycl e < 2.0% . characteristic s emitter-bas e cutof f curren t v|., , = 1 5 vd c 2N2944 a v,.- b = 2 5 vd c 2n2945 a v f .; u = 40 vdc 2n2946 a symbo l ii;b o min . max . o. i 0. 2 0. 5 uni t r)ad c o n characteristic s (2 ) forward-curren t transfe r rati o l c = 1 . 0 madc , v n . : = 0. 5 vd c 2N2944 a 2n2945 a 2n2946 a forward-curren t transfe r rati o i, , = 20 0 uadc , v| x : = -0. 5 vd c 2N2944 a 2n2945 a 2n2946 a emitter-collecto r offse t voltag e i n = 20 0 fiadc , i , = 0 2N2944 a 2n2945 a 2n2946 a i n = 1 . 0 madc , i , = 0 2N2944 a 2n2945 a 2n2946a i n = 2. 0 madc , i,. : = 0 2N2944 a 2n2945 a 2n2946 a hn : h , 1w v , v,,,., ls , 10 0 7 0 5 0 5 0 3 0 2 0 0. 3 0. 5 0. 8 0. 6 1. 0 2. 0 1. 0 1. 6 2. 5 mvd c emitter-collecto r on-stat e resistanc e i d = 10 0 uadc , i,. ; = 0 , l c = 10 0 |md c (rms ) 2N2944 a f = 1 . 0 kh z 2n294 5 a 2n2946a i n = 1. 0 madc , i , = 0 , i c = 10 0 u,ad c (rms ) 2N2944 a f = 1. 0 kh z 2n2945 a 2n2946 a magnitud e o f small-signa l forwar d curren t transfe r rati o l ( = 1 . 0 madc , v ( , . = 6.0vdc , f = 1 . 0 mh z 2N2944a 2n2945 a 2n2946a outpu t capacitanc e v ( ? = 6. 0 vdc , i, . = 0 , 10 0 kh z < f < 1. 0 mh z inpu t capacitanc e v , n = 6. 0 vdc , l c = 0 , 10 0 kh z < f < 1. 0 mh z r ec'? > h f e c oh o c ib o 1 5 1 0 5. 0 1 0 1 2 1 4 4. 0 6. 0 8. 0 5 5 5 5 5 5 1 0 6 0 n o f o f qualit y semi-conductor s downloaded from: http:///
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