b140hw document number: ds30670 rev. 8 - 2 1 of 3 www.diodes.com may 2008 ? diodes incorporated b140h w 1.0a surface mount schottky barrier rectifier features ? guard ring die construction for transient protection ? low leakage current ? low forward voltage drop ? lead free by design/rohs compliant (note 3) ? "green device" (note 4) mechanical data ? case: sod-123 ? case material: molded plastic, ?green? molding compound. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020d ? terminals: finish ? matte tin finish annealed over alloy 42 leadframe. solderable per mil-std-202, method 208 ? polarity: cathode band ? marking information: see page 3 ? ordering information: see page 3 ? weight: 0.01 grams (approximate) top view maximum ratings @t a = 25c unless otherwise specified single phase, half wave, 60hz, re sistive or inductive load. for capacitance load, derate current by 20%. characteristic symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 40 v rms reverse voltage v r(rms) 28 v average forward current (see figure 1) i f(av) 1.0 a non-repetitive peak forward surge current 8.3ms single half sine-wave superimposed on rated load i fsm 16 a repetitive peak reverse current t p = 2 s square wave, f = 1khz i rrm 0.5 a non-repetitive peak reverse current t p = 100 s square wave i rsm 1.0 a thermal characteristics characteristic symbol value unit power dissipation (note 2) (note 5) p d 350 410 mw typical thermal resistance junction to ambient (note 2) (note 5) r ja 304 251 c/w operating and storage temperature range t j , t stg -65 to +125 c electrical characteristics @t a = 25c unless otherwise specified characteristic symbol min typ max unit test condition reverse breakdown voltage (note 1) v (br)r 40 ? ? v i r = 40 a forward voltage v f ? ? 0.52 0.48 0.55 0.51 v i f = 1a, t j = 25 c i f = 1a, t j = 100 c leakage current (note 1) i r ? ? ? ? ? 0.2 10 40 5 a a ma v r = 5v, t j = 25 c v r = 40v, t j = 25 c v r = 40v, t a = 100 c notes: 1. short duration pulse test used to minimize self-heating effect. 2. part mounted on fr-4 board with recommended pad layout, which can be found on our website at http:// www.di odes.com/datas heets/ap02001.pdf. 3. no purposefully added lead. 4. diodes inc.'s "green" policy can be found on our website at http:// www.di odes.com/products/lead_f ree/index.php. 5. part mounted on polymide boar d with pad sizes 0.24" x 0.16". 6. part mounting such that r ja = 175c/w.
b140h w i , i ns t an t ane o u s f o r wa r d c u r r en t (a ) f v , instantaneous forward voltage (v) fig. 2 typical forward characteristics f t = 125oc j t = 25oc j t = 100oc j t= oc j 75 p , power dissipation (w) d 10 100 1,000 0.1 1.0 10 100 c , t o t al c a p a c i t a n c e (p f ) t v , dc reverse voltage (v) fig. 4 total capacitance vs. reverse voltage r t = 125c j t = 100c j t = 75c j t = 25c j 100 10 1 0.1 1,000 10,000 0 50 100 150 t , junction temperature (c) fig. 6 typical reverse current vs. junction temperature j 25 75 125 0 t , ambient temperature (c) fig. 5 forward current derating curve a 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 25 50 75 100 125 150 i, ave r a g e f o r wa r d c u r r en t (a) f(av) b140hw document number: ds30670 rev. 8 - 2 2 of 3 www.diodes.com may 2008 ? diodes incorporated
b140hw document number: ds30670 rev. 8 - 2 3 of 3 www.diodes.com may 2008 ? diodes incorporated b140h w ordering information (note 7) part number case packaging b140hw-7 sod-123 3000/tape & reel notes: 7. for packaging deta ils, go to our website at http://www.di odes.com/datasheets/ap02007.pdf . marking information lo = product type marking code ym = date code marking y = year (ex: s = 2005) m = month (ex: 9 = september) lo ym date code key year 2005 2006 2007 2008 2009 2010 2011 2012 code s t u v w x y z month jan feb mar apr may jun jul aug sep oct nov dec code 1 2 3 4 5 6 7 8 9 o n d package outline dimensions suggested pad layout important notice diodes incorporated and its subsidiaries rese rve the right to make modifications, enhancements, improvements, corrections or ot her changes without further notice to any product herein. diodes incorporat ed does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the ri ghts of others. the user of products in such applications shall assume all risks of such use and will agree to hold diodes inco rporated and all the companies whose products are represented on our website, harmless against all damages. life support diodes incorporated products are not authoriz ed for use as critical components in life support devices or systems without the e xpressed written approval of the president of diodes incorporated. k l m c h b a sod-123 dim min max a 0.55 typ b 1.40 1.70 c 3.55 3.85 h 2.55 2.85 j 0.00 0.10 k 1.00 1.35 l 0.25 0.40 m 0.10 0.15 0 8 all dimensions in mm z x c g y dimensions value (in mm) z 4.9 g 2.5 x 0.7 y 1.2 c 3.7
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