lead-free green ds30397 rev. 7 - 2 1 of 3 sdm20u30 www.diodes.com diodes incorporated sdm20u30 surface mount schottky barrier diode features low forward voltage drop guard ring construction for transient protection negligible reverse recovery time low capacitance ultra-small surface mount package lead free by design/rohs compliant (note 1) "green" device, note 4 and 5 qualified to aec-q101 standards for high reliability case: sod-523 case material: molded plastic, "green" molding compound, note 5. ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020c terminal connections: cathode band terminals: finish - matte tin annealed over alloy 42 leadframe. solderable per mil-std-202, method 208 marking code: lm ordering information: see last page weight: 0.002 grams (approximate) mechanical data maximum ratings @ t a = 25 c unless otherwise specified electrical characteristics @ 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 30 v rms reverse voltage v r(rms) 21 v mean rectifying current (note 2) i o 200 ma peak forward surge current @ 8.3ms half sine i fsm 1.0 a characteristic symbol min typ max unit test conditions reverse breakdown voltage (note 3) v (br)r 30 v i r = 150 a forward voltage drop v f 0.35 0.50 v i f = 20ma i f = 200ma peak reverse current (note 3) i r 150 30 a a v r = 30v v r = 10v total capacitance c t 20 pf v r = 0v, f = 1.0mhz b a c d g e cathode mark marking code lm sod-523 dim min max a 1.50 1.70 b 1.10 1.30 c 0.25 0.35 d 0.70 0.90 e 0.10 0.20 g 0.55 0.65 all dimensions in mm note: 1. no purposefully added lead. 2. part mounted on fr-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. t a = 25 c. 3. short duration pulse test used to minimize self-heating effect. 4. diodes inc.'s "green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 5. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. product manufactu red prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardants. characteristic symbol value unit power dissipation (note 2) p d 150 mw thermal resistance, junction to ambient air (note 2) r ja 667 c/w operating and storage temperature range t j ,t stg -65 to +125 c thermal characteristics
ds30397 rev. 7 - 2 2 of 3 sdm20u30 www.diodes.com 0 50 025 50 75 100 125 p,p o wer dissipati o n (mw) d t , ambient temperature ( c) fig. 1 derating curve a 100 200 150 .001 .01 .1 1 10 1000 100 0 200 400 600 800 v , instantaneous forward voltage (mv) fi g .2 t y pical forward characteristics f i , instantaneous forward current (ma) f t=25c a t=75c a t = 125c a t = -25c a 0 5 10 15 20 25 30 0 2 6 4 8 10 12 c , total capacitance (pf) t v , reverse voltage (v) fig. 4 typical total capacitance vs. reverse volta g e r f = 1mhz 0 5 10 15 20 25 30 i , instantaneous reverse current (a) r v , instantaneous reverse voltage (v) fi g .3 t y pical reverse characteristics r 100n 10 m 1m t=25c a t=75c a t = 125c a t = -25c a ordering information device packaging shipping sdm20u30-7 sod-523 3000/tape & reel sdm20u30-76k sod-523 6000/tape & reel (note 4 & 6) note: 4. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. product manufac tured prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardants. 6. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
ds30397 rev. 7 - 2 3 of 3 sdm20u30 www.diodes.com important notice life support diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes witho ut further notice to any product herein. diodes incorporated 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 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. diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written appr oval of the president of diodes incorporated.
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