BDY28B semelab plc reserves the right to change test condi tions, parameter limits and package dimensions with out notice. information furnished by semelab is bel ieved to be both accurate and reliable at the time of going to press. however semelab assumes no responsibility fo r any errors or omissions discovered in its use. se melab encourages customers to verify that datasheets are current before placing orders. semelab plc. telephone +44(0)1455 556565. fax +44(0)1455 552612. e-mail: sales@semelab.co.uk website: http://www.semelab.co.uk doc 7588, issue 1 mechanical data dimensions in mm (inches) absolute maximum ratings t case = 25c unless otherwise stated v cbo collector - base voltage 500v v ceo collector - emitter voltage 250v v ebo emitter ? base voltage 10v i c continuous collector current 6a i b base current 3a p tot total power dissipation at t case = 25c 50w derate above 25c 0.29w/c t j junction temperature 200c t stg storage temperature -65 to 200c high current npn silicon transistor applications ? switching regulators ? linear applications to3 (to204aa) pin 1 = base pin 2 = emitter case = c ollector 1 2 3 (case) 25.15 (0.99)26.67 (1.05) 10.67 (0.42)11.18 (0.44) 38 . 61 ( 1 . 52 ) 39 . 12 ( 1 . 54 ) 29 . 9 ( 1 . 177 ) 30 . 4 ( 1 . 197 ) 16 . 64 ( 0 . 655 ) 17 . 15 ( 0 . 675 ) 3.84 (0.151)4.09 (0.161) 0 . 97 ( 0 . 060 ) 1 . 10 ( 0 . 043 ) 7.92 (0.312)12.70 (0.50) 22 . 23 ( 0 . 875 ) m a x . 6.35 (0.25)9.15 (0.36) 1.52 (0.06) 3.43 (0.135) features ? high switching currents ? high reliability ? cecc screening options ? space quality level options ? jan level screening options
BDY28B semelab plc reserves the right to change test condi tions, parameter limits and package dimensions with out notice. information furnished by semelab is bel ieved to be both accurate and reliable at the time of going to press. however semelab assumes no responsibility fo r any errors or omissions discovered in its use. se melab encourages customers to verify that datasheets are current before placing orders. semelab plc. telephone +44(0)1455 556565. fax +44(0)1455 552612. e-mail: sales@semelab.co.uk website: http://www.semelab.co.uk doc 7588, issue 1 thermal characteristics max unit r th j-case thermal resistance to case 3.5 c/w electrical characteristics (t case =25c unless otherwise stated) parameter test conditions min. typ. max. unit i ceo collector cut-off current v ce = 250v i b = 0 1.0 i ces collector cut-off current v ce = 400v v be = 0 1.0 i ebo emitter cut-off current v eb = 10v i c = 0 1.0 ma v (br)ceo * collector-emitter breakdown voltage i c = 50ma i b = 0 220 v (br)cbo * collector-base breakdown voltage i c = 3ma 500 v ce(sat) * collector-emitter saturation voltage i c = 2.0a i b = 0.25a 0.6 v be(sat) * base-emitter saturation voltage i c = 2.0a i b = 0.25a 1.2 v i c = 1.0a v ce = 4.0v 65 h fe * forward-current transfer ratio i c = 2.0a v ce = 4.0v 30 45 90 dynamic characteristics i e = 0 v cb = 10v c obo output capacitance f = 1.0mhz 65 120 pf i c = 0.5a v ce = 15v f t transition frequency f = 10.0mhz 10 mhz t on turn-on time i c = 5.0a i b1 = 1.0a 1.0 t off turn-off time i c = 5.0a i b1 =-i b2 = 1.0a 3.5 s * pulse test t p = 300 s, < 2%
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