BU208 * glastivated base-collector junction maximum ratings characteristic collector-emitter voltage collector-emitter voltage emitter-base voltage collector current - continuous -peak base current - continuous total power dissipation qtc=25c derate above 25c operating and storage junction temperature range symbol vceo vcex vebo 'c 'b pd l.tsto bu207 600 1300 5 5 7. 2. 5 0.6 -65 to BU208 BU208a 700 1500 0 .0 5 5 5 11 +115 unit v v v a a w w/c c thermal characteristics quality semi-conductors characteristic thermal resistance junction to case symbol rejc max 1.64 unit c/w 60 55 5 50 45 | 40 i m 5 30 c ok k 20 i 15 2 10 o 5 a 0 figure -1 power derating v \ v ^xc ^x ^ \ \ 25 50 75 100 125 tc , teperature(*c) npn bu207 BU208 BU208a 5.0 ampere power transistors 1300-1500 volts 55 watts to-3 pn 1.base 2bwttcr collectorlcasei dim a b millimeters min i max 3696 2223 38 75 1926 c d 796 9.28 11 18 ! 1219 e | 2520 ; 2667 f g h 092 1 38 2990 1 1664 j k 388 10 $7 109 162 30o 1730 436 11 18
bu207, BU208.BU208a npn electrical characteristics { tc = 25'c unless otherwise noted ) characteristic symbol min max untt off characteristics collector - emitter sustaining voltage (1 ) ( lc = 100 ma, 1, = 0) bu207 BU208.BU208a collector cutoff current ( vce = 1300 v, vm? 0 ) bu207 ( vce = 1500 v, vm = 0 ) BU208.BU208a emitter cutoff current (vra=5.0v,lc-0) vcbo(sus) 'cis '? 600 700 1.0 1.0 10 v ma ma on characteristics (1) dc current gain (ic=4.sa,vce-5.0v) collector - emitter saturation vottage bu207.BU208 ( lc =4.5 a, ib = 2.0 a ) BU208a base - emitter saturation voltage ( lc =4.5 a, ib ? 2.0 a ) hfe v? v? 2.25 5.0 1.0 1.5 v v dynamic characteristics current gain - bandwidth product ( lc ? 0.1 a , vm ? 5.0 v , f - 1 .0 mhz ) output capacitance (vce=10 v, lc=0, f=1.0 mhz ) switching characteristics fall time (lc=4.5a.ib1=1.8a.ljl=10uh) ft c. tf 4.0(typ) 125(typ) 1.0(typ) mhz pf us (1) pulse test pulse width ^ 300 us , duty cyde =* 2.0%
bu207.BU208.BU208a npn collector saturation region dc current gain o 04 03 0,5 07 10 b, base current (a) 02 05 1 2 it . collector current (amp) "on" voltages switching behavior versus ! 005 01 02 05 1 2 1c . collector current (amp) 20! 20 1.0 06 ' 1 t p ? -f 1 . 1? ? ? " ' 3.5 4,0 46 ic . collector current (amp) 5.0 forward bias safe operating area 10 20 50 100 2oo vce , collector emttter vcmtage (voi.t^i 6oo ik
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