cdsp400 rohs device smd switching diode qw -b0023 page 1 rev :a symbol parameter v alue unit maximum ratings (at t a=25c unless otherwise noted) peak reverse voltage 225 features -small surface mounting type. -high speed. -high reliability with high surge current handling capability . mechanical data -case: molded plastic sod-723 -t erminals: solderable per mil-std-750, method 2026.1. -polarity: indicated by cathode band. -mounting position: any . -marking: 7 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 o d - 7 2 3 peak forward current mean rectifying current v rm 80 90 100 v v ma ma dc reverse voltage v r i fm i o surge current tp=1s junction t emperature junction t emperature i surge t j t stg 125 500 -55 to +125 ma o c o c symbol parameter max. unit electrical ratings (at t a=25c unless otherwise noted) forward voltage 3.0 capacitance between terminals reverse recovery time v f 0.1 1.2 4.0 v a pf ns reverse current i r c t t rr conditions i f =100ma v r =0.5v , f=1mhz v r =6v , i f =10ma, r l =100 v r =80v min. 0.043(1.100) 0.035(0.900) 0.008(0.200) ref . 0.059(1.500) 0.051(1.300) 0 . 0 2 6 ( 0 . 6 5 0 ) 0 . 0 2 2 ( 0 . 5 5 0 ) 0 . 0 1 4 ( 0 . 3 5 0 ) 0 . 0 1 0 ( 0 . 2 5 0 ) 0.023(0.580) 0.020(0.515) 0.026(0.650) 0.021(0.525) 0 . 0 0 6 ( 0 . 1 5 0 ) 0 . 0 0 3 ( 0 . 0 8 0 ) 0 . 0 0 3 ( 0 . 0 7 0 ) 0 . 0 0 1 ( 0 . 0 1 0 )
electrical characteristic cur ves (cdsp400) page 2 qw -b0023 rev :a fig.2 reverse characteristics - 1 n i r , r e v e r s e c u r r e n t ( a ) v r , reverse v oltage (v) 0 fig.1 - forward characteristics 1 0 i f , f o r w a r d c u r r e n t ( a ) v f , forward v oltage (v) 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 0 0 1 0 0 m 1 1 0 n 1 1 0 2 0 4 0 8 0 fig.3 capacitance between terminals - 0 . 1 c t , c a p a c i t a n c e b e t w e e n t e r m i n a l s ( p f ) v r , reverse v oltage (v) 1 1 0 fig.4 reverse recovery t ime - characteristics 0 t r r , r e v e r s e r e c o v e r y t i m e ( n s ) i f , forward current (ma) 0 1 0 3 0 1 2 3 fig.5 urge current characteristics - s 1 i s u r g e , s u r g e c u r r e n t ( a ) t w , pulse width (ms) 0 . 1 1 0 1 0 0 0 1 0 0 0 0 1 0 0 6 0 1 0 0 n 2 0 1 1 0 0 1 0 1 . 2 1 . 4 1 m 1 0 m o t a = 1 2 5 c o a 5 t = 7 c o a 5 t = 2 c o a - 5 c t = 2 1 0 0 1 2 0 1 0 0 1 m o t a =125 c o t a =75 c o t a =25 c 0 2 4 6 8 1 0 1 2 1 4 v r =6v irr=1/10i r pulse generator output 50 5k 50 d.u.t . 0.01 f sampling oscilloscope fig.6 reverse recovery t ime (trr) measurement circuit - pulse single pulse smd switching diode
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