o electrical characteristics (at t a =25c unless otherwise noted) pa ra m et er sy m bo l un it max. repetitive peak reverse voltage max. continuous reverse voltage max. rms voltage max. forward rectified current max. forward voltage at i f =2.0a max. forward surge current, 8.3ms single half sine-wave superimposed on rated load (jedec method) max.reverse current v r =v rrm t j =25c t yp. thermal resistance t yp. diode junction capacitance (note 1) 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 ) cdbmh220-hf thru. cdbmh2100-hf page 1 qw -jb030 smd schottky barrier rectifiers rev :a comchip t echnology co., l td. sod-123t 0.154(3.9) 0.138(3.5) 0.012(0.3) t yp. 0.071(1.8) 0.055(1.4) 0.067(1.7) 0.051(1.3) 0.040(0.1) 0.096(2.4) v rrm v r v rms i o v f i fsm i r r jc c j t j cdbmh 220-hf cdbmh 240-hf cdbmh 260-hf cdbmh 280-hf cdbmh 2100-hf 20 20 14 40 40 28 60 60 42 2.0 0.70 50 0.2 10 35 80 80 56 100 100 70 v v v a v a ma c/w c 0.50 0.85 note : mechanical data -case: molded plastic, sod-123t/mini sma. -t erminals: solderable per mil-std-750, method 2026. -polarity: indicated by cathode band. -w eight: 0.018 grams approx. operating temperature storage temperature range t stg -65 to +175 c -55 to +125 -55 to +150 160 pf cdbmh 230-hf 30 30 21 cdbmh 250-hf 50 50 35 0.080(2.0) 0.024(0.6) 0.008(0.20) t yp. 0.044(1.10) 0.028(0.70) 0.036(0.9) 0.064(1.6) 0.048(1.2) 0.020(0.5) 0.0375(0.95) 0.0296(0.75) 0.052(1.3) 0.036(0.9) 0.024(0.6) t yp. 1. f=1mhz and applied 4v dc reverse voltage v r =v rrm t j =100c i r halogen free features - low profile surface mounted application in order to optimize board space . - low power loss , high ef ficiency . - high current capability , low forward voltage drop . - high surge capability . - guardring for overvoltage protection . - ultra high - speed switching . - silicon epitaxial planar chip , metal silicon junction . - lead - free parts meet environmental standards of mil - std -19500/228 -excellent power dissipation of fers better reverse leakage current and thermal resistance. - heat sink bottom . c o m c h i p s m d d i o d e s p e c i a l i s t
page 2 qw -jb030 rev :a comchip t echnology co., l td. rating and characteristic curves (cdbmh220-hf thru. cdbmh2100-hf) fig.2- t ypical forward characteristics 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 ) forward v oltage, (v) smd schottky barrier rectifiers fig.1- t ypical current derating curve a v e r a g e f o r w a r d c u r r e n t , ( a ) lead t emperature, (c) 0 2 . 0 1 . 5 0 1 0 0 0 . 5 1 . 0 5 0 1 2 5 2 . 5 1 5 0 2 5 7 5 c d b m h 2 5 0 - h f ~ c d b m h 2 1 0 0 - h f c d b m h 2 2 0 - h f ~ c d b m h 2 4 0 - h f 0 . 1 1 . 5 0 . 0 1 1 1 0 1 0 0 0 . 1 0 . 3 0 . 9 1 . 1 0 . 5 t j =25c pulse width 300 us 1% duty cycle 0 . 7 1 . 3 c d b m h 2 8 0 - h f ~ c d b m h 2 1 0 0 - h f c d b m h 2 5 0 - h f ~ c d b m h 2 6 0 - h f c d b m h 2 2 0 - h f ~ c d b m h 2 4 0 - h f fig.4- junction capacitance t ypical 0 j u n c t i o n c a p a c i t a n c e ( p f ) reverse v oltage (v) 3 0 0 7 0 0 0 . 0 1 1 1 0 0 1 0 0 4 0 0 6 0 0 0 . 1 1 0 2 0 0 5 0 0 fig.3- maximum non-repetitive forward surge current 0 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 fig.5- reverse characteristics 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 0 . 0 1 1 0 1 0 0 0 . 1 4 0 8 0 1 6 0 1 t j =25c t j =75c c o m c h i p s m d d i o d e s p e c i a l i s t
page 3 rev :a comchip t echnology co., l td. smd schottky barrier rectifiers qw -jb 030 reel t aping specification end b 10 pitches (min) p 0 t railer p 1 ....... ....... p i n d e x h o l e ....... a ....... d 1 2 o 0 device e f ....... ....... w ....... direction of feed 10 pitches (min) ....... d 2 leader w 1 c t d 1 start d m i n i - s m a / s o d - 1 2 3 t m i n i - s m a / s o d - 1 2 3 t s y m b o l ( i n c h ) s y m b o l ( i n c h ) ( m m ) ( m m ) 1 . 9 0 0 . 1 0 0 . 0 7 5 0 . 0 0 4 1 . 7 5 0 . 1 0 0 . 0 6 9 0 . 0 0 4 a e 0 . 1 5 4 0 . 0 0 4 0 . 1 3 8 0 . 0 0 4 3 . 9 0 0 . 1 0 3 . 5 0 0 . 1 0 b f 4 . 0 0 0 . 1 0 0 . 1 5 7 0 . 0 0 4 1 . 6 8 0 . 1 0 0 . 0 6 6 0 . 0 0 4 c p 0 . 0 5 9 0 . 0 0 4 0 . 1 5 7 0 . 0 0 4 1 . 5 0 0 . 1 0 4 . 0 0 0 . 1 0 p 0 d 1 7 8 . 0 0 2 . 0 0 7 . 0 0 7 0 . 0 7 9 0 . 0 7 9 0 . 0 0 4 2 . 0 0 0 . 1 0 d p 1 2 . 4 4 1 ( m i n ) 6 2 . 0 0 ( m i n ) 0 . 2 3 0 . 1 0 0 . 0 0 9 0 . 0 4 d 1 t 1 3 . 0 0 0 . 5 0 0 . 5 1 2 0 . 0 2 0 0 . 3 1 5 0 . 0 1 2 8 . 0 0 3 0 0 . d 2 w 1 1 . 4 0 0 0 1 . 0 . 4 4 9 0 . 0 3 9 w 1 c o m c h i p s m d d i o d e s p e c i a l i s t
suggested p ad layout marking code e c e d xx page 4 rev :a comchip t echnology co., l td. smd schottky barrier rectifiers qw -jb 030 size (inch) 0.040 (mm) 1.00 1.00 1.70 0.040 0.067 0.50 0.020 e 1.50 0.060 b c d a m i n i - s m a / s o d - 1 2 3 t g b f i h a 1.10 0.90 0.044 0.036 0.85 0.034 i 0.60 0.024 f g h xx = product type marking code pinning information pin simplified outline symbol 1 2 pin 1 cathode pin 2 anode 2 1 part number 22 marking code cdbmh220-hf cdbmh240 -hf cdbmh260 -hf cdbmh280 -hf 24 26 28 cdbmh250 -hf 25 cdbmh230 -hf 23 cdbmh2100 -hf 20 standard packaging c a s e t y p e s o d - 1 2 3 t 2 , 5 0 0 r e e l ( p c s ) reel size (inch) 7 r e e l p a c k c o m c h i p s m d d i o d e s p e c i a l i s t
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