bipolar npn silicon transistor semelab limited reserves the right to change test c onditions, parameter limits and package dimensions without notice. information furnished by semelab is believed to be both accurate and reliable at the time of going to press. however semelab assumes no responsibility for any errors or omissions discovered in its use. semelab encourage s customers to verify that datasheets are current before placing o rders. semelab limited semelab limited semelab limited semelab limited coventry road, lutterworth, leicestershire, le17 4 jb telephone +44 (0) 1455 556565 fax +44 (0) 1455 5526 12 email: sales@semelab-tt.com website: http://www.semelab-tt.com document number 8720 issue 2 page 1 of 2 bfy77 hermetically sealed to-18 metal package high reliability screening options available absolute maximum ratings (t a = 25c unless otherwise stated) v ceo collector ? emitter voltage 45v i c continuous collector current 50ma p d total power dissipation at t a = 25c 360mw t j junction temperature range -65 to +200c t stg storage temperature range -65 to +200c electrical characteristics (t a = 25c unless otherwise stated) symbols parameters test conditions min typ max unit s v ce(sat) collector-emitter saturation voltage i c = 1.0ma i b = 0.1ma 0.35 v h fe i c = 1.0ma v ce = 5v 200 450 dynamic characteristics i c = 500 m a v ce = 5v ? h fe ? t magnitude of common emitter small-signal short-circuit forward current transfer ratio f = 30mhz 2 v cb = 5v i e = 0 c obo output capacitance f = 1.0mhz 6 pf t -parameter by design ? not production tested
bipolar npn silicon transistor bfy77 semelab limited semelab limited semelab limited semelab limited coventry road, lutterworth, leicestershire, le17 4 jb telephone +44 (0) 1455 556565 fax +44 (0) 1455 5526 12 email: sales@semelab-tt.com website: http://www.semelab-tt.com document number 8720 issue 2 page 2 of 2 mechanical data dimensions in mm (inches) 1 3 2 2.54 (0.100) nom. 0.48 (0.019)0.41 (0.016) dia. 5.84 (0.230)5.31 (0.209) 4.95 (0.195)4.52 (0.178) 5 . 33 ( 0 . 210 ) 4 . 32 ( 0 . 170 ) 12 . 7 ( 0 . 500 ) m i n . to - 18 (to - 206aa) metal package underside view pin 1 - emitter pin 2 - base pin 3 - collector
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