maximum ratings (at t a =25c unless otherwise noted) reverse v oltage: 20 to 100 v olts forward current: 2.0 amp rohs device 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 ) cdbm220-g thru. cdbm2100-g page 1 qw -bb008 smd schottky barrier rectifiers rev :c comchip t echnology co., l td. features -ideal for surface mount applications. -easy pick and place. -plastic package has underwriters lab. flammability classification 94v -0. -exceeds environmental standard mil-s- 19500/228. -low leakage current. mechanical data -case: molded plastic, jedec mini sma/ . sod-123 -t erminals: solderable per mil-std-750, method 2026. -polarity: indicated by cathode band. -w eight: 0.018 grams approx. mini sma/sod-123 0.154(3.90) 0.138(3.50) 0.012(0.30) t yp. 0.071(1.90) 0.055(1.50) 0.067(1.70) 0.051(1.30) 0.028(0.70) t yp. 0.028(0.70) t yp. un it cdbm 260-g cdbm 280-g 14 20 30 21 30 60 42 60 50 0.5 10 85 160 80 56 80 cdbm 230-g pa ra m et er sy m bo l cdbm 220-g 20 cdbm 2100-g 100 70 100 28 40 50 35 50 cdbm 250-g cdbm 240-g 40 repetitive peak reverse voltage maximum rms voltage continuous reverse voltage forward voltage @i f =2.0a forward rectified current v rrm v rms v r i o 2.0 forward surge current, 8.3ms half sine wave superimposed on rated load (jedec method) t yp. thermal resistance, junction to ambient air t yp. diode junction capacitance (note 1) operating junction temperature storage temperature i fsm i r r ja c j t j t stg reverse current on v r =v rrm @t a =25 o c @t a =125 o c note 1: f=1mhz and applied 4v dc reverse voltage. -55 to +125 -55 to +150 -65 to +175 v v v v a a ma pf o c o c o c/w 0.50 0.85 v f 0.70
page 2 qw -bb008 rev :c comchip t echnology co., l td. rating and characteristic curves (cdbm220-g thru. cdbm2100-g) fig.1 reverse characteristics i r , r e v e r s e l e a k a g e c u r r e n t ( m a ) percent of rated peak reverse v oltage (%) 0 1 2 0 2 0 0 fig.3 junction capacitance 0 c j , j u n c t i o n c a p a c i t a n c e ( p f ) v r , reverse v oltage (v) 3 0 0 7 0 0 0 . 0 1 1 0 . 0 1 1 0 1 0 0 1 0 0 fig.4 current derating curve 0 i o , a v e r a g e f o r w a r d c u r r e n t ( a ) t a , ambient t emperature (c) 0 . 8 1 . 4 0 . 6 0 . 1 2 0 1 6 0 1 0 0 0 . 2 1 0 0 4 0 0 6 0 0 0 . 4 4 0 8 0 1 6 0 1 6 0 1 2 0 1 . 0 1 . 2 o t j =75 c o t j =25 c 0 . 1 1 0 2 0 0 5 0 0 1 4 0 4 0 8 0 fig.5 non-repetitive forward surge current 0 i f s m , p e a k f o r w a r d s u r g e c u r r e n t ( a ) number of cycles at 60hz 5 0 1 1 0 1 0 0 2 0 4 0 1 0 3 0 o t j =25 c 8.3ms single half sine wave, jedec method d b m 2 2 0 - g ~ 2 4 0 g c - c d b m 2 5 0 - g ~ 2 1 0 0 - g smd schottky barrier rectifiers f=1mhz applied 4vdc reverse voltage fig.2 t ypical forward characteristics 0 . 0 1 i f , i n s t a n t a n e o u s f o r w a r d c u r r e n t ( a ) v f , forward v oltage (v) 0 . 1 1 . 5 1 0 0 0 . 3 0 . 5 0 . 7 1 . 3 0 . 9 1 . 1 0 . 1 1 1 0 o t j =25 c pulse width 300 s 1% duty cycle - c d b m 2 5 0 - g ~ c d b m 2 6 0 - g c d b m 2 2 0 - g ~ c d b m 2 4 0 - g c d b m 2 8 0 - g ~ c d b m 2 1 0 0 - g
polarity page 3 qw -bb008 smd schottky barrier rectifiers rev :c comchip t echnology co., l td. 4 . 0 0 0 . 1 0 4 . 0 0 0 . 1 0 2 . 0 0 0 . 1 0 8 . 0 0 0 . 3 0 1 1 . 4 1 . 0 0 s y m b o l ( m m ) ( i n c h ) 0 . 3 1 5 0 . 0 1 2 0 . 1 5 7 0 . 0 0 4 0 . 1 5 7 0 . 0 0 4 0 . 0 7 9 0 . 0 0 4 0 . 4 4 9 0 . 0 3 9 e f p p 0 p 1 w w 1 1 . 7 5 0 . 1 0 0 . 6 8 9 0 . 0 0 4 3 . 5 0 0 . 1 0 0 . 1 3 8 0 . 0 0 4 0 . 2 3 0 . 1 0 0 . 0 0 9 0 . 0 0 4 t reel t aping specification o 1 2 0 t railer device leader 10 pitches (min) 10 pitches (min) ....... ....... ....... ....... ....... ....... ....... ....... end start t c direction of feed i n d e x h o l e d e f b w p p 0 p 1 a d 1 d 2 d w 1 b c d d d 2 d 1 s y m b o l a ( m m ) ( i n c h ) 2 . 4 4 0 m i n . 1 . 5 0 0 . 1 0 6 2 . 0 m i n . 1 3 . 0 0 . 5 0 1 7 8 2 . 0 0 0 . 0 5 9 0 . 0 0 4 7 . 0 0 0 . 0 7 9 0 . 5 1 2 0 . 0 2 0 1 . 9 0 0 . 1 0 0 . 0 7 5 0 . 0 4 3 . 9 0 0 . 1 0 0 . 1 5 3 0 . 0 4 1 . 6 8 0 . 1 0 0 . 0 6 6 0 . 0 4 m i n i - s m a / s o d - 1 2 3 m i n i - s m a / s o d - 1 2 3
page 4 qw -bb008 smd schottky barrier rectifiers rev :c comchip t echnology co., l td. a b c e d xx suggested p ad layout part number 22 marking code marking code cdbm220-g cdbm240-g cdbm280-g cdbm2100-g 24 28 20 size (inch) 0.130 (mm) 3.30 1.40 1.90 0.055 0.075 4.70 0.185 e 1.90 0.075 b c d a m i n i - s m a / s o d - 1 2 3 cdbm260-g 26 CDBM230-G 23 xx = product type marking code standard packaging c a s e t y p e 2 , 5 0 0 r e e l ( p c s ) reel size (inch) 7 r e e l p a c k m i n i - s m a / s o d - 1 2 3
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