smd type transistors features low current (max. 50 ma) high voltage (max. 300 v). absolute maximum ratings ta = 25 parameter symbol rating unit collector-base voltage BF620 300 v (open emitte) bf622 250 v collector-emitter voltage BF620 300 v (open-base ) bf622 250 v emitter-base voltage (open collector) v ebo 5v collector current (dc) i c 50 ma peak collector current i cm 100 ma peak base current i bm 50 ma total power dissipation t amb 25 * p tot 1.25 w storage temperature t stg -65 to150 junction temperature t j 150 operating ambient temperature t amb -65 to150 thermal resistance from junction to ambient * r th j-a 100 k/w thermal resistance from junction to soldering point r th j-s 20 k/w * device mounted on a printed-circuit board, single-sided copper, tinplated, mounting pad for collector 6 cm 2 . v cbo v ceo sales@twtysemi.com 1of 2 http://www.twtysemi.com smd type transistors BF620; bf622 product specification 4008-318-123
smd type transistors electrical characteristics ta = 25 unless otherwise specified. parameter symbol testconditons min typ max unit i e =0;v cb = 200 v 10 na i e =0;v cb = 200 v; t j = 150 10 ma emitter cut-off current i ebo i c =0;v eb =5v 50 na dc current gain h fe i c =25ma;v ce =20v 50 collector-emitter saturation voltage v cesat i c =30ma;i b = 5 ma 600 mv feedback capacitance c re i c =i c =0;v ce =30v;f=1mhz 1.6 pf transition frequency f t i c =10ma;v ce =10v;f=100mhz 60 mhz collector cut-off current v (br)cbo marking type number BF620 bf622 marking dc da BF620; bf622 sales@twtysemi.com 2of 2 http://www.twtysemi.com product specification 4008-318-123
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