cdsw19-g/20-g/21-g features -fast switching speed -surface mount package ideally suited for automatic insertion -for general purpose switching applications mechanical data -case: sod-123, molded plastic -t erminals: solderable per mil-std-202, method 208 -w eight: 0.01 gram(approx.). page 1 qw -b0018 smd switching diode high speed rohs device maximum rating (at t a=25c unless otherwise noted) rev :a electrical characteristics (at t a=25c unless otherwise noted) o c ma o c/w mw ma ma v v v -65 ~ +150 625 500 250 200 141 200 250 t stg i frm p d io v r(r ms ) v rrm v r wm v r v rm i fm @1.0ms @1.0s storage temperature repetitive peak forward current power dissipation peak forward surge current a verage rectified output current peak repetitive peak reverse voltage w orking peak reverse voltage dc blocking voltage non-repetitive peak reverse voltage forward continuous current parameter symbol cdsw19-g cdsw20-g cds w21 -g unit ns p f ua v 50 5 0.1 0.1 0.1 1.0 1.25 c t i r v f t rr capacitance between terminals reverse current forward voltage reverse recovery time parameter conditions symbol min t yp max unit f = 1 mh z , v r =0v v r =100 v v r =150 v v r =200 v i f = 0.1 a i f = 0.2 a i f = i r= 30 ma, r l =100 , irr = 0.1 x i r r ja rms reverse voltage thermal resistance (junction to ambient) i fsm 400 2.5 0.5 a 120 200 100 150 71 106 cdsw19-g cdsw20-g cdsw21-g 0.154 (3.90) 0.141 (3.60) 0.071 (1.80) 0.055 (1.40) 0.1 10 (2.80) 0.098 (2.50) 0.053 (1.35) 0.037 (0.95) 0.028 (0.70) 0.019 (0.50) 0.016 (0.40)min 0.008 (0.20)max 0.005 (0.12)max sod-123 dimensions in inches and (millimeters)
t ypical characteristics (cdsw19-g/20-g/21-g) page 2 smd switching diode qw -b0018 fig.1 - forward characteristics fig.2 - t ypical reverse characteristics rev :a v f , instantaneous forward v oltage (v) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0.001 0.01 0.1 1 i f i a w c ) , n s t n t a n e o u s f o r a r d u r r e n t ( a o t a =150 c o t a =125 c o t a =75 c o t a =25 c o t a =0 c o t a =75 c v r , instantaneous reverse v oltage (v) 0 0.0001 i r n s t a n t e v e s e r e n t a , i a n e o u s r r c u r ( ) 50 100 150 200 250 0.001 0.01 0.1 1 10 100 o t a =75 c o t a =25 c o t a =0 c o t a =-40 c o t a =75 c o t a =25 c o t a =0 c o t a =75 c o t a =75 c o t a =25 c o t a =0 c o t a =-40 c o t a =125 c o t a =150 c fig.3 - power derating curve t a , ambient t emperature (c) 0 0 p d , p o w e r d i s s i p a t i o n , ( m w ) 25 50 75 100 125 150 50 100 150 200 250 300 fig.4 - t ypical capacitance v .s. reverse v oltage v r , reverse v oltage (v) 0 0 c t , t a l c a p a c i a ( o t t n c e p f ) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 10 20 30 40
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