?a?????t 3CA688 ??????1?????????e???1 ?t?y?a???1ye?t1??? 1 ?????? 3ca 6 8 8 1 pn p e????? 1|a??? 1 ?a? 2? ??? e? a???? 1|a ?3??a ??????a ?????1?? ?a??e? ?a?e?o? ae?? to - 3 p ( n ) 2 ??e? 2.1 ???t? 3y?e1?? t am b = 25 2? y ?? 3? ?o? ???? ??? ???? - ? ????1 v cb0 1 2 0 v ???? - l?????1 v ce0 1 2 0 v l??? - ? ????1 v eb0 5 v ????? i c 8 a ta = 2 5 3 o?1|a tc = 2 5 p tot 80 w ??a t j 1 5 0 ???a? t stg - 5 5 150 b c e 15.80 max 18.3 max 1.0 20.3 max 19.5 min 5.45 5.45 2.8 0.6 5.1 3. 2 5.1ma x 2 2.2 ?2?y 3y?e1?? t am b = 25 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ???? - ??????1? i cb0 v cb =-120v , i e = 0 1 0 a l??? - ??????1? i eb0 v eb =-5v , i c = 0 1 0 a 12l????y????? ??2?? h fe v ce =-5v , i c = 1 a 5 5 1 6 0 ???? - l???o??1 v cesat i c =5a, i b = 0 . 5 a 2 . 5 v ???a f t v ce =-5v , i c = 1 a 1 0 m h z a?3?2a? tp 300 s, 2% h fe ?? r 55---1 10 o 80---160 ?? ?-????t?yeo?aa 14 o? ?? 05 10 58 07 22 8-22 68 229 9 ??? 05 10 580 03 60 ? 1 3 12 2 3
?a?????t 3CA688 3 ?e???? 0. 01 1 i c (a ) 0. 1 10 100 v ce (v ) 100 05 0 p to t (w ) t ( ) 1 48 32 64 16 0 2?1?? ( ? ) p tot -t 1????? t case =25 p tot -t case p t o t -t am b 0 .01 0 . 1 1 i c (a ) h fe 10 0 0. 1 0. 1 0 .01 1 v ce sa t (v ) 1 i c (a ) 10 v cesat -i c 1????? h fe -i c 1????? t am b =25 v ce =-5v t am b =25 i c /i b =10 ? 2 3 12 2 3
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