ds31039 rev. 9 - 2 1 of 3 mmbz5221bs - mmbz5259bs www.diodes.com diodes incorporated mmbz5221bs - mmbz5259bs 200mw surface mount zener diode planar die construction dual isolated zeners in ultra-small surface mount package ideally suited for automated assembly processes also available in lead free version features maximum ratings @ t a = 25c unless otherwise specified characteristic symbol value unit forward voltage @ i f = 10ma v f 0.9 v power dissipation (note 1) p d 200 mw thermal resistance, junction to ambient air (note 1) r ja 625 c/w operating and storage temperature range t j, t stg -65 to +150 c case: sot-363, molded plastic case material - ul flammability rating 94v-0 moisture sensitivity: level 1 per j-std-020a terminals: solderable per mil-std-202, method 208 also available in lead free plating (matte tin finish). please see ordering information below, note 5 polarity: see diagram marking: see page 2 weight: 0.006 grams (approx.) mechanical data a m j l d b c h k g f sot-363 dim min max a 0.10 0.30 b 1.15 1.35 c 2.00 2.20 d 0.65 nominal f 0.30 0.40 h 1.80 2.20 j 0.10 k 0.90 1.00 l 0.25 0.40 m 0.10 0.25 0 8 all dimensions in mm * add ?-7? to the appropriate type number in table 1 from sheet 2 example: 6.2v zener = mmbz5234bs-7. notes: 1. mounted on fr4 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. f = 1khz. 4. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. 5. for lead free version (with lead free terminal finish) part number, please add "-f" suffix to part number above. example: mmbz5234bs-7-f. device packaging shipping (type number)-7* sot-363 3000/tape & reel ordering information (note 4 & 5) nc c 1 a 2 a 1 c 2 nc
ds31039 rev. 9 - 2 2 of 3 mmbz5221bs - mmbz5259bs www.diodes.com type number marking code zener voltage range (note 2) maximum zener impedance (note 3) maximum reverse leakage current (note 2) v z @ i zt i zt z zt @ i zt z zk @ i zk = 0.25ma i r @v r nom (v) min (v) max (v) ma a v mmbz5221bs kc1 2.4 2.28 2.52 20 30 1200 100 1.0 mmbz5223bs kc3 2.7 2.57 2.84 20 30 1300 75 1.0 mmbz5225bs kc5 3.0 2.85 3.15 20 30 1600 50 1.0 mmbz5226bs kg1 3.3 3.14 3.47 20 28 1600 25 1.0 mmbz5227bs kg2 3.6 3.42 3.78 20 24 1700 15 1.0 mmbz5228bs kg3 3.9 3.71 4.10 20 23 1900 10 1.0 mmbz5229bs kg4 4.3 4.09 4.52 20 22 2000 5.0 1.0 mmbz5230bs kg5 4.7 4.47 4.94 20 19 1900 5.0 2.0 mmbz5231bs ke1 5.1 4.85 5.36 20 17 1600 5.0 2.0 mmbz5232bs ke2 5.6 5.32 5.88 20 11 1600 5.0 3.0 mmbz5233bs ke3 6.0 5.70 6.30 20 7 1600 5.0 3.5 mmbz5234bs ke4 6.2 5.89 6.51 20 7 1000 5.0 4.0 mmbz5235bs ke5 6.8 6.46 7.14 20 5 750 3.0 5.0 mmbz5236bs kf1 7.5 7.13 7.88 20 6 500 3.0 6.0 mmbz5237bs kf2 8.2 7.79 8.61 20 8 500 3.0 6.5 mmbz5238bs kf3 8.7 8.27 9.14 20 8 600 3.0 6.5 mmbz5239bs kf4 9.1 8.65 9.56 20 10 600 3.0 7.0 mmbz5240bs kf5 10 9.50 10.50 20 17 600 3.0 8.0 mmbz5241bs kh1 11 10.45 11.55 20 22 600 2.0 8.4 mmbz5242bs kh2 12 11.40 12.60 20 30 600 1.0 9.1 mmbz5243bs kh3 13 12.35 13.65 9.5 13 600 0.5 9.9 mmbz5245bs kh5 15 14.25 15.75 8.5 16 600 0.1 11 mmbz5246bs kj1 16 15.20 16.80 7.8 17 600 0.1 12 mmbz5248bs kj3 18 17.10 18.90 7.0 21 600 0.1 14 mmbz5250bs kj5 20 19.00 21.00 6.2 25 600 0.1 15 mmbz5251bs kk1 22 20.90 23.10 5.6 29 600 0.1 17 mmbz5252bs kk2 24 22.80 25.20 5.2 33 600 0.1 18 MMBZ5254BS kk4 27 25.65 28.35 5.0 41 600 0.1 21 mmbz5255bs kk5 28 26.60 29.40 4.5 44 600 0.1 21 mmbz5256bs km1 30 28.50 31.50 4.2 49 600 0.1 23 mmbz5257bs km2 33 31.35 34.65 3.8 58 700 0.1 25 mmbz5258bs km3 36 34.20 37.80 3.4 70 700 0.1 27 mmbz5259bs km4 39 37.05 40.95 3.2 80 800 0.1 30 electrical characteristics @ t a = 25c unless otherwise specified notes: 2. short duration test pulse used to minimize self-heating effect. 3. f = 1khz. month jan feb march apr may jun jul aug sep oct nov dec code 1234567 89 o nd year 2002 2003 2004 2005 2006 2007 2008 2009 code npr stuvw date code key kxx = product type marking code, see sheet 1 ym = date code marking y = year ex: n = 2002 m = month ex: 9 = september kxx ym kxx ym marking information
ds31039 rev. 9 - 2 3 of 3 mmbz5221bs - mmbz5259bs www.diodes.com 1 10 100 1 10 100 p , peak surge power (w) pk pulse width (ms) fi g . 4 maximum non-repetitive sur g e power 1000 1 10 100 1000 110100 v , nominal zener voltage (v) z fi g . 3 zener volta g e vs. zener impedence i = 1.0ma z c , total capacitance (pf) t 10 100 1000 10 100 1 v , nominal zener voltage (v) z fig. 2 total capacitance vs nominal zener voltage t=25c j v=1v r v=2v r 0 0.1 0.2 0.3 0.4 25 0 50 75 100 125 150 p,p o wer dissipati o n(w) d t , ambient temperature ( c) a fig. 1 power dissipation vs ambient temperature 0 10 20 30 0 i , zener current (ma) z v , zener voltage (v) z fi g . 6 zener breakdown characteristics 10 20 30 40 t = 25c j test current i z nominal zener breakdown voltage 10 12 18 22 27 33 36 15 39 0 10 20 30 40 50 01 2 3 4 5 6 7 8910 i , zener current (ma) z v , zener voltage (v) z fi g . 5 zener breakdown characteristics t = 25c j c5v6 6v8 8v2 test current i z 20ma
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