notes: 1. short duration test pulse to minimize self-heating effect. 2. device mounted on fr-4 pc board with recommended pad layout, which can be found on our website at http://www.diodes.com/dat asheets/ap02001.pdf. 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. 5. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. product manufactured prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardant s. 6. package is non-polarized. parts may be on reel in orientation illustrated, 180 rotated, or mixed (both ways). lead-free green ds30372 rev. 9 - 2 1 of 3 sdm03mt40/a www.diodes.com diodes incorporated sdm03mt40/a surface mount schottky barrier diode features maximum ratings @ t a = 25 c unless otherwise specified low forward voltage drop guard ring die construction for transient protection ideal for low logic level applications low capacitance lead free/rohs compliant (note 3) "green" device, note 4 and 5 mechanical data case: sot-26 case material: molded plastic, "green" molding compound, note 5. ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020c polarity: see diagram leads: matte tin (lead free), solderable per mil-std-202, method 208 lead free plating (matte tin finish annealed over copper leadframe). marking: marking code & date code (see page 3) marking code: ksr, ksk weight: 0.016 grams (approximate) 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 forward continuous current (note 2) i fm 30 ma non-repetitive peak forward surge current @8.3ms single half sine-wave superimposed on rated load (jededc method) i fsm 200 ma power dissipation (note 2) p d 225 mw thermal resistance, junction to ambient air r ja 444 c/w operating and storage temperature range t j, t stg -40 to +125 c electrical characteristics characteristic symbol min typ max unit test condition reverse breakdown voltage (note 1) v (br)r 40 v i r = 10ua forward voltage drop (note 1) v f 370 mv i f = 1ma leakage current (note 1) i r 1 a v r = 10v total capacitance c t 2 pf v r = 1v f = 1.0 mhz @ t a = 25 c unless otherwise specified new product a m j l d f b c h k top view sot-26 dim min max typ a 0.35 0.50 0.38 b 1.50 1.70 1.60 c 2.70 3.00 2.80 d 0.95 f 0.55 h 2.90 3.10 3.00 j 0.013 0.10 0.05 k 1.00 1.30 1.10 l 0.35 0.55 0.40 m 0.10 0.20 0.15 0 8 all dimensions in mm sdm03mt40 (ksr marking code) sdm03mt40a (ksk marking code) (see note 6)
ds30372 rev. 9 - 2 2 of 3 sdm03mt40/a www.diodes.com 0 5 10 15 20 25 30 35 i , instantaneous reverse current (a) r v , instantaneous reverse voltage (v) fi g .3 t y pical reverse characteristics r t = +125oc a t = 75oc a t = 25oc a t = -25oc a 100n 10n 1n 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 i , instantaneous forward current (a ) f v , instantaneous forward voltage (v) fi g .2 t y pical forward characteristics f t = +125oc a t = +75oc a t = +25oc a 100m 1m 10m 1 0 75 025 50 75 100 125 p , power dissipation (mw) d t , ambient temperature ( c) fi g . 1 deratin g curve a 150 300 225 0.1 1 10 100 0 5 10 15 20 25 c , total capacitance (pf) t v , reverse voltage (v) fi g . 4 total capacitance vs. dc volta g e r f = 1mhz 0.1 0.2 0.5 1 5 2 10 0 4 8 12 16 20 24 28 t , reverse recovery time (ns) rr i , forward current (ma) fi g .5 t y pical reverse recover y time characteristics f new product
ds30372 rev. 9 - 2 3 of 3 sdm03mt40/a www.diodes.com new product month jan feb mar apr may jun jul aug sep oct nov dec code 1234567 89 o nd date code key ksr = sdm03mt40 product type marking code (see note 6) ym = date code marking y = year ex: t = 2006 m = month ex: 9 = september ksr ym notes: 7. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. device packaging shipping SDM03MT40-7-F sot-26 3000/tape & reel sdm03mt40a-7-f sot-26 3000/tape & reel ordering information (note 7) year 2006 2007 2008 2009 2010 2011 2012 code tu v wxy z marking information ksk = sdm03mt40a product type marking code (see note 6) ym = date code marking y = year ex: t = 2006 m = month ex: 9 = september ksk ym 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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