?a?????t 3DD3852 ?????1?????????e???1 1 ?????? 3DD3852 1 npn e?? ?1|a? ?1 ? ? a ?2 ??? ?? e???e ?y? a? ?? ??? ?ao ?t?y?a???1ye?t1??? ?? ?????? ?? o?1??? ?? ae??o t o -220f 2 ??e? 2.1 ???t? 3y?e1??? t am b = 25 ?? 2? y ?? 3? ?o? ???? ??? ???? - l?????1 v cb0 8 0 v ???? - ? ????1 v ce0 6 0 v l??? - ? ????1 v eb0 6 v ????? i c 3 a ta = 2 5 ?? 2 o?1|a tc = 2 5 ?? p tot 25 w ??a t j 1 5 0 ?? ???a? t stg - 5 5 ?? 150 ?? 2.2 ?2?y 3y?e1??? t am b = 25 ?? 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ???? - ??????1? i cb0 v cb = 80v , i e = 0 1 0 a l??? - ??????1? i eb0 v eb = 6v , i c = 0 1 0 a o 1 0 0 2 0 0 p 1 6 0 3 2 0 12l????y????? ??2?? h fe a v ce =4v i c = 0 . 5 a q 3 0 0 6 0 0 ???? - l???o??1 v cesat a i c = 3a, i b = 0.3a 1.0 v ? ?? - l???o??1 f t v ce = 12v , i c =0. 2a 7 mhz a : a?3?2a? tp ? 300 | s, |?? 2% 10.4max | 3.2 2 . 7 1 5 . 5 m a x 1 2 . 7 m i n 1.2 0.6 2.7max 4.8max 0.6 2.3 2.54 2.54 bce ??o ?-????t?yeo?aa 14 o? ??o ? 05 10 ? 58 07 22 8-22 68 ? 229 9 ??? o ? 05 10 ? 580 03 60 ? 1 3 12 2 3
?a?????t 3DD3852 3 ?e???? i c (a) p to t (w) t ( ?? ) 20 15 10 5 1 0.1 0. 0 1 1 10 v ce (v) 10 0 50 0 100 2?1???? ? p tot -t 1????? t case =25 ?? p tot -t case p tot -t am b 0.1 0.0 1 10 10 0 h fe i c (a ) 1 0. 01 0. 1 0.1 1 i c (a ) 1 v ce sat (v ) v cesat -i c 1????? h fe -i c 1????? t am b =25 ?? v ce =4v t am b =25 ?? i c / i b =10 ? 2 3 12 2 3
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