lead-free green ds30524 rev. 5 - 2 1 of 3 b0540ws www.diodes.com diodes incorporated b0540ws surface mount schottky barrier rectifier features single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. maximum ratings @ t a = 25 c unless otherwise specified 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 rectified output current i o 0.5 a non-repetitive peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 3a power dissipation (note 1) p d 235 mw typical thermal resistance junction to ambient (note 1) r ja 426 c/w operating and storage temperature range t j, t stg -40 to +125 c a b c d e g h j low forward voltage drop guard ring construction for transient protection high conductance lead free by design/rohs compliant (note 3) "green" device (note 4) case: sod-323 case material: molded plastic. ul flammability rating classification 94v-0 moisture sensitivity: level 1 per j-std-020c polarity: cathode band terminals: finish - matte tin annealed over alloy 42 leadframe. solderable per mil-std-202, method 208 marking: type code and cathode band type code: sf weight: 0.004 grams (approx.) mechanical data electrical characteristics @ t a = 25 c unless otherwise specified sod-323 dim min max a 2.30 2.70 b 1.60 1.80 c 1.20 1.40 d 1.00 1.10 e 0.25 0.35 g 0.20 0.40 h 0.10 0.15 j 0.05 typical 0 8 all dimensions in mm note: 1. part mounted on fr-4 pc board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. short duration test pulse used to minimize self-heating effect. 3. no purposefully added lead. 4. diodes inc.'s "green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. characteristic symbol min typ max unit test condition reverse breakdown voltage (note 2) v (br)r 40 v i r = 1ma forward voltage (note 2) v f 285 480 300 550 mv i f = 10ma i f = 500ma reverse current (note 2) i r 1.0 2.0 3 5 a a v r = 10v v r = 30v total capacitance c t 125 20 pf pf v r = 0v, f = 1.0mhz v r = 10v, f = 1.0mhz new product
ds30524 rev. 5 - 2 2 of 3 b0540ws www.diodes.com 0 10 100 c , total capacitance (pf) t v , reverse voltage (v) fig. 4 typical total capacitance vs. reverse volta g e r 1000 510 25 20 f=1mhz 15 1m 10 m 0102025 35 40 15 5.0 30 v , reverse voltage (v) fi g .3 t y pical reverse characteristics r t = +25c a t = +75c a t=+125c a 10 1 100 1000 .001 00.60 i , instantane o us f o rward current (ma) f v , instantaneous forward voltage (v) fig. 2 typical forward characteristics f 0.10 0.20 0.30 0.40 0.50 .01 .1 t = +125 c a t=+75c a t=+25c a t=-25c a 0 0.25 0.50 0 50 100 150 i , average f o rward current (a) f(av) t , terminal temperature ( c) fig. 1 forward current derating curve t 0.75 1.0 25 75 125 sf cathode band type cod e marking information note: 5. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. ordering information (note 5) new product device packaging shipping B0540WS-7-F sod-323 3000/tape and reel
ds30524 rev. 5 - 2 3 of 3 b0540ws www.diodes.com important notice life support www.diodes.com diodes, inc. and its subsidiaries reserve the right to make changes without further notice to any product herein to make corrections, modifications, enhance- ments, improvements, or other changes. diodes, inc. does not assume any liability arising out of the application or use of any product described herei n; neither does it convey any license under its patent rights, nor the rights of others. the user of products in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on our website, harmless against all damages. the products located on our website at are not recommended for use in life support systems where a failure or malfunction of the component may directly threaten life or cause injury without the express written approval of diodes incorporated.
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