absolute maximum ra tings collector-base v oltage collector-emitter v oltage emitter-base v oltage symbol limits unit rating symbol parameter min t yp max unit electrical characteristics collector-emitter br eakdown v oltage(ic=1ma) collector-base br eakdown v oltage(ic=100ua) emitter-base br eakdown v oltage(i =100ua) collector cutof f curr ent(v =80v) emitter cutof f curr ent(v =4v) ceo cbo ebo i cbo i ebo KTD1898 t stg p weitron http://www .weitron.com.tw epitaxial planar npn t ransistors (t a=25 ) 100 80 5 1 2 0.5 collector power dissipation i i a(dc) w junction t emperatur e, t , j 150, storage t emperatur e -55 to +150 c cp 1 2 3 1. base 2. collect or 3. emitter sot -89 c c collector curr ent c v cbo v ceo v ebo a (pulse)* vdc vdc vdc * si ngle pulse pw = 20ms bv bv bv 100 80 5 - - - - - 1 1 - - - - - v v v ua ua % (t a=25 unless otherwise noted ) c e cb eb
weitron http://www .weitron.com.tw classifica tion of h electrical characteristic cur ves fe rank o y range marking zo zy 70-140 120-240 gr zg 200-400 KTD1898 electrical characteristics % (t a=25 unless otherwise noted ) c (countinued) symbol parameter min t yp max unit collector-emitter saturation v oltage (ic=500ma, i =20ma) dc curr ent gain (v =3v , ic=500ma) t ransition fr equency (v =10v , ic=50ma, f=100mhz) output capacitance (v =10v , i =0a, f=1mhz) fe ce(sat) t cob f h v 70 - - - 400 - - - - 0.4 100 20 - mhz pf v ce b ce cb e 0 . 1 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 1 . 4 1 . 6 1 . 8 2 . 0 c o l l e c t o r c u r r e n t : i c ( m a ) b a s e t o e m i t t e r v o l t a g e : v b e ( v ) fig.1 grounded emitter propagation characteristics 1 0 0 0 1 0 0 1 0 1 t a = 2 5 c v c e = 5 v 2 4 0 8 1 0 6 c o l l e c t o r c u r r e n t : i c ( a ) c o l l e c t o r t o e m i t t e r v o l t a g e : v c e ( v ) fig.2 grounded emitter output characteristics 1 . 0 0 0 . 8 0 . 6 0 . 4 0 . 2 6 m a 5 m a 4 m a 3 m a 2 m a 1 m a i b = 0 m a t a = 2 5 c
weitron http://www .weitron.com.tw KTD1898 0 1 0 0 1 0 0 0 1 0 0 0 1 0 1 0 0 0 d c c u r r e n t g a i n : h f e c o l l e c t o r c u r r e n t : i c ( m a ) fig.3 dc current gain vs. collector current t a = 2 5 c v c e = 3 v 1 v 0 . 0 1 0 . 1 1 . 0 2 . 0 0 . 2 0 . 0 2 0 . 0 5 0 . 5 1 0 0 0 1 0 1 0 0 0 c o l l e c t o r s a t u r a t i o n v o l t a g e : v c e ( s a t ) ( v ) c o l l e c t o r c u r r e n t : i c ( m a ) fig.4 collector-emitter ssaturation voltage vs. collector current i c / i b = 2 0 / 1 t a = 2 5 c 1 0 / 1 1 2 5 1 0 2 0 5 0 1 0 0 2 0 0 5 0 0 1 0 0 0 t r a n s i t i o n f r e q u e n c y : f t ( m h z ) e m i t t e r c u r r e n t : - i e ( m a ) fig.5 gain bandwidth product vs. emitter current 5 0 0 2 0 0 1 0 0 5 0 2 0 1 0 5 2 t a = 2 5 c v c e = 5 v 0 . 1 0 . 2 0 . 5 1 2 5 1 0 2 0 5 0 1 0 0 c o l l e c t o r o u t p u t c a p a c i t a n c e : c o b ( p f ) e m i t t e r i n p u t c a p a c i t a n c e : c i b ( p f ) c o l l e c t o r t o b a s e v o l t a g e : v c b ( v ) e m i t t e r t o b a s e v o l t a g e : v e b ( v ) fig.6 collector output capacitance vs. collector-base voltage emitter input capacitance vs. emitter-base voltage 1 0 0 1 0 0 0 1 0 1 t a = 2 5 c f = 1 m h z i e = 0 a i c = 0 a i c m a x ( p u l s e ) t a = 2 5 c s i n g l e n o n - r e p e t i t i v e p u l s e p w = 1 0 m s p w = 1 0 0 m s d c c o l l e c t o r t o e m i t t e r v o l t a g e : v c e ( v ) c o l l e c t o r c u r r e n t : i c ( a ) 0 . 1 0 . 2 0 . 5 1 2 5 1 0 2 0 5 0 1 0 0 5 0 0 2 0 0 1 0 0 0 1 0 5 2 1 2 0 m 1 0 m 5 m 2 m 1 m 5 0 m 1 0 0 m 2 0 0 m 5 0 0 m fig.7 safe operating area
weitron http://www .weitron.com.tw KTD1898 dim a b c d e g h j k l m i n 1 . 4 0 0 0 . 3 2 0 0 . 3 6 0 0 . 3 5 0 4 . 4 0 0 1 . 4 0 0 2 . 3 0 0 3 . 9 4 0 2 . 9 0 0 max sot -89 sot -89 outline dimensions u n i t : m m b a h e j k g d c l 1.600 0.520 0.560 0.440 4.600 1.800 2.600 4.250 3.100 1.500t yp
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