BAS21T 0.4a , 250v plastic-encapsulated diode elektronische bauelemente 21-jul-2011 rev. a page 1 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed i ndividually. top view a l c b d g h j f k e 1 2 3 1 2 3 rohs compliant product a suffix of -c specifies halogen & lead-free features fast switching speed for general purpose switching applications high conductance marking t3 package information package mpq leader size sot-523 3k 7 inch absolute maximum ratings (t a =25c unless otherwise specified) parameter symbol value unit maximum repetitive peak reverse voltage v rrm 250 v working peak reverse voltage v rwm reverse voltage v r peak forward continuous current i fm 400 ma maximum average forward rectified current i f(av) 200 ma peak forward surge current 8.3 ms single half sine-wave super imposed on rated load (jedec method) t=1.0 s i fsm 2.5 a t=1.0s 0.5 power dissipation p d 150 mw typical thermal resistance junction to ambient r ja 833 c / w operating junction and storage temperature range t j ,t stg 150, -65~150 c sot - 52 3 ref. millimeter ref. millimeter mi n. max. min. max. a 1.5 1.7 g - 0.1 b 1.45 1.75 h 0.55 ref. c 0.75 0.85 j 0.1 0.2 d 0.7 0.9 k - e 0.9 1.1 l 0.5 typ. f 0.15 0.25 m 0.25 0.325
BAS21T 0.4a , 250v plastic-encapsulated diode elektronische bauelemente 21-jul-2011 rev. a page 2 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed i ndividually. electrical characteristics (t a =25c unless otherwise specified) parameter symbol min. typ. max. unit test condition reverse breakdown voltage v (br)r 250 - - v i r =100a forward voltage v f1 - - 1 v i f =100ma v f2 - - 1.25 i f =200ma reverse voltage leakage current i r - - 0.1 a v r =200v total capacitance c t - - 5 pf v r =0 , f=1mhz reverse recovery time t rr - - 50 ns i f =i r =30ma, i rr =0.1 x i r , r l =100 ratings and characteristic curves
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