s m a l l s i g n a l s w i t c h i n g d i o d e s reverse v oltage: 75 v olts forward current: 200 ma rohs device page 1 rev :a features -design for mounting on small surface. -high speed switching. -high mounting capability , strong surge withstand, high reliability . -also available in other standard case: cdsf4148/4448 - 1005 size cdsu4148/4448 - 0603 size mechanical data -case: sot -323, molded plastic. -t erminals: solderable per mil-std-750, method 2026. -approx. weight: 0.006 grams circuit diagram CDSV3-4148-G/4448-g maximum ratings and electrical characteristics (at t a=25c unless otherwise noted) 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 ) qw -b0006 comchip t echnology co., l td. repetitive peak reverse voltage reverse voltage forward current peak surge forward current power dissipation maximum forward voltage maximum reverse current maximum reverse recovery time t ypical diode capacitance maximum junction temperature storage temperature units symbol parameter v rrm v r i f i fsm p d v f i r t rr c j t j t stg 1 2 3 conditions cdsv3- 4448-g t=1.0 s @i f =5ma @i f =50ma @i f =100ma @v r =75v @v r =25v i f =i r =10ma, r l =100 v r =0v , f=1.0mhz 75 75 200 2 4 200 - 0.72 1 - - 1 2.5 0.025 4 4 125 -55 to +125 v v ma a mw v a ns pf c c s o t - 3 2 3 0.087(2.20) 0.070(1.80) 0.054(1.35) 0.045(1.15) 0.056(1.40) 0.047(1.20) 1 2 3 0.006(0.15) 0.002(0.05) 0.087(2.20) 0.078(2.00) 0.004(0.10)min. 0.004(0.10)max. 0.044(1.10) 0.035(0.90) 0.016(0.40) 0.008(0.20) cdsv3- 4148-g
qw -b0006 ra ting and characteristic cur ves (CDSV3-4148-G/4448-g) forward v oltage, (v) 1.5 1.0 0.5 0 fig.1 - forward characteristics 1 10 100 1000 f r a d u r e n t , ( m a ) o w r c r reverse v oltage, (v) 0 fig.2 reverse characteristics - 0.1n e e s e c r r e n t , ( a ) r v r u 1n 10n 100n 10 40 reverse v oltage, (v) 0 fig.3 capacitance between t erminals - characteristics 0 c a p a c t a c b e t e e n t e r m i n l s , ( p ) i n e w a f 1 2 30 50 ambient t emperature, (c) fig.4 power derating curve - 0 p o w e r d i s s i p a t i o n , ( m w ) 150 300 comchip t echnology co., l td. page 2 rev :a 60 100 0 100 175 20 80 100 10 25 50 75 150 125 200 1 40 20 s m a l l s i g n a l s w i t c h i n g d i o d e s o t a =125 c o t a =-40 c o t a =25 c o t a =75 c o t a =0 c o t j =25 c f=1mhz 50 250 mounted on glass epoxy pcbs o t a =150 c o t a =-40 c o t a =25 c o t a =75 c o t a =0 c
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