WSB5509L low v f schottky barrier diode features ? 1a average rectified forward current ? low forward voltage ? low leakage current ? sod-123fl package applications ? switching circuit ? middle current rectification absolute maximum ratings electronics characteristics (t a =25 o c) order informations circuit marking parameter symbol value unit reverse voltage (repetitive peak) v rm 20 v reverse voltage (dc) v r 20 v average rectified forward current i o 1 a peak repetitive forward current at rated v r C note1 i frm 2 a peak forward surge current C note2 i fsm 20 a operating temperature topr -40 ~ 85 o c storage temperature tstg -40 ~ 125 o c parameter symbol condition min. typ. max. unit forward voltage v f i f =1a 0.41 0.50 v i f =2a 0.46 0.55 v reverse current i r v r =20v 100 ua junction capacitance c j v r =4v, f=1mhz 70 pf device package shipping WSB5509L-2/tr sod-123fl 3000/reel&tape note 1 : t l =75 ,100khz square wave. note 2 : 8.3ms single half-sine-wave superimposed on rated load note 3 : mounted with minimum recommended pad size, pc board fr4. thermal resistance ratings symbol parameter typ. unit r ? ja thermal resistance, junction to ambient C note3 325 o c/w r ? jl thermal resistance, junction to lead C note3 26 o c/w 1 of 3 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
typical characteristics (t a =25 o c, unless otherwise noted) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1e-3 0.01 0.1 1 -40 o c -25 o c +25 o c +65 o c +85 o c f o r w a r d c u r r e n t ( a ) forward voltage(v) forward voltage vs. forward current 1 10 100 0 5 10 15 20 25 30 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 peak forward surge current 5 10 15 20 1e-4 1e-3 0.01 0.1 1 10 100 1000 85 o c 65 o c 25 o c -25 o c -40 o c r e v e r s e c u r r e n t ( u a ) reverse voltage(v) reverse current vs. reverse voltage junction capacitance vs. reverse voltage WSB5509L 2 of 3 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
package outline dimensions sod-123fl sod-123fl dim min max a 2.72 2.82 b 1.75 1.85 d 3.67 3.74 e 0.15 0.25 f 0.40 0.70 h 1.17 1.24 i 0.85 1.15 all dimensions in mm WSB5509L 3 of 3 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
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