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| !" !! ! " # # "$ % # & # # &$ # & " # # &"$ '# ( ) * + * , " ( " % " * + "* ) ( * - . ( / # 0 % +# 1 $ 2 13 4 2 4-3 56 & / 2 7% 3 & # # &$ 23 7 4 # 88 "$ # "$ 4 &$ # &$ 4 & 88 &"$ # &"$ 4 ( 9 / :& # & 7 #0 7 % / :&; # & 7 #0 7 & # # & 2 3 7 % 4 # " & # # "& 2 3 " 7 4) 4 # / ! )4 < =. :1 8 # & 7 #0 7 4) >* ?@ 7 % 4, " 7 4)0 "% 7 4, -4 : 8 ; 7 ' 0 # ""% 7 )# 4- 1 10 100 2SC4940 0.01 0.1 1 0.05 0.5 0.2 20 50 5 2 200 500 2000 5000 v ce = 5v pulse width = 300 m s 0.02 0.05 0.5 0.2 20 5 2 0.005 0.002 tc = 150 c 100 c 50 c 25 c 0 c - 25 c - 55 c h fe - i c 8 collector current i c [a] dc current gain h fe 0 0.5 1 1.5 2 2.5 3 2SC4940 0.01 0.1 1 0 0.5 1 1.5 2 2.5 3 0.05 0.5 0.2 20 50 5 2 200 500 2000 5000 0.02 0.05 0.5 0.2 20 5 2 0.005 0.002 0.5a 1a 2a 4a tc = 25 c saturation voltage i c = 0.25a 0.5a 1a 2a 4a 4 base current i b [a] collector-emitter voltage v ce [v] base-emitter voltage v be [v] i c = 0.25a switching time - i c 0.1 1 10 0 0.5 1 1.5 2 2.5 3 3.5 4 2SC4940 i b1 = 0.2i c i b2 = 0.4i c v bb2 = 4v v cc = 150v tc = 25 c t s t on t f collector current i c [a] switching time t sw [ m s] 0.1 1 10 0 50 100 150 2SC4940 i c = 2a i b1 = 0.4a i b2 = 0.8a v bb2 = 4v r l = 75 w t s t on t f switching time - tc case temperature tc [ c] switching time t sw [ m s] forward bias soa 0.01 0.1 1 10 100 2SC4940 100 m s tc = 25 c single pulse 200 m s 1ms 10ms dc 8 550 collector-emitter voltage v ce [v] collector current i c [a] p t limit i s/b limit 0 20 40 60 80 100 0 50 100 150 2SC4940 collector current derating collector current derating [%] v ce = fixed p t limit i s/b limit case temperature tc [ c] 0 1 2 3 4 5 6 7 8 0 200 400 600 800 1000 1200 2SC4940 i b1 = 0.3i c i b2 = 1.2a v bb2 = 5v tc < 150 c reverse bias soa collector-emitter voltage v ce [v] collector current i c [a] transient thermal impedance 0.01 0.1 1 10 2SC4940 10 -4 10 -3 10 -2 10 -1 10 0 10 1 0.05 0.5 0.2 20 50 5 2 200 500 2000 5000 0.02 0.05 0.5 0.2 20 5 2 0.005 0.002 time t [s] transient thermal impedance q jc(t) [ c/w] |
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