sot-323 1. anode 2. n, c 3. cathode sot-323 plastic-encapsulate diodes MMBD4448W switching diodes features z fast switching speed halogen free product for packing code suffix "h" rohs product for packing code suffix "g" z surface mount package ideally su ited for automatic insertion z for general purpose switching applications z high conductance weight:0.006g marking: ka3 maximum ratings @t a =25 parameter symbol limits unit non-repetitive peak reverse voltage v rm 100 v peak repetitive peak reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 75 v rms reverse voltage v r(rms) 53 v forward continuous current i fm 500 ma average rectified output current i o 250 ma peak forward surge current @=1.0 s @=1.0s i fsm 4.0 2.0 a power dissipation pd 200 mw thermal resistance junction to ambient r ja 625 /w storage temperature t stg -65 to +150 electrical ratings @t a =25 parameter symbol min. typ. max. unit conditions v f1 0.62 0.72 v i f =5ma v f2 0.855 v i f =10ma v f3 1.0 v i f =100ma forward voltage v f4 1.25 v i f =150ma i r1 2.5 a v r =75v reverse current i r2 25 na v r =20v capacitance between terminals c t 4 pf v r =0v,f=1mhz reverse recovery time t rr 4 ns i f =i r =10ma irr=0.1xi r ,r l =100 ? z z
typical characteristics MMBD4448W
o u t l i n e d r a w i n g d i m e n s i o n s i n i n c h e s a n d ( m i l l i m e t e r s ) s o t- 3 2 3 . 0 5 6 ( 1 . 4 0 ) . 0 4 7 ( 1 . 2 0 ) . 0 8 7 ( 2 . 2 0 ) . 0 7 8 ( 2 . 0 0 ) . 0 0 4 ( 0 . 1 0 ) m i n . . 0 1 0 ( 0 . 2 5 ) . 0 0 4 ( 0 . 1 0 ) . 0 4 0 ( 1 . 0 0 ) . 0 3 2 ( 0 . 8 0 ) . 0 1 6 ( 0 . 4 0 ) . 0 1 2 ( 0 . 3 0 ) . 0 0 4 ( 0 . 1 0 ) m a x . . 0 8 7 ( 2 . 2 0 ) . 0 7 0 ( 1 . 8 0 ) . 0 5 4 ( 1 . 3 5 ) . 0 4 5 ( 1 . 1 5 ) r e v . b
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