ds31038 rev. 6 - 2 1 of 3 mmsz5221bs - mmsz5259bs www.diodes.com diodes incorporated planar die construction ultra-small surface mount package general purpose ideally suited for automated assembly processes also available in lead free version features maximum ratings @ t a = 25 c unless otherwise specified characteristic symbol value unit forward voltage (note 2) @ 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 notes: 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 pulse test used to minimize self-heating effect. mechanical data mmsz5221bs - mmsz5259bs surface mount zener diode a b c d e g h j case: sod-323, plastic case material - ul flammability classification 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, note 4, on page 2 polarity: cathode band marking: see page 2 weight: 0.004 grams (approx.) sod-323 dim min max a 2.30 2.70 b 1.60 1.80 c 1.20 1.40 d 1.05 typical 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
notes: 3. for packaging details, go to our website at: http://www.diodes.com/datasheets/ap02007.pdf. *add -7 to the appropriate type number in table 1 above example: 6.2v zener = mmsz5234bs-7. 4. for lead free version (with lead free terminal finish) part number, please add "-f" suffix to part number above. example: mmsz5234bs -7-f. ds31038 rev. 6 - 2 2 of 3 mmsz5221bs - mmsz5259bs www.diodes.com electrical characteristics @ t a = 25 c unless otherwise specified notes: 1. short duration test pulse used to minimize self-heating effect. 2. f = 1khz. type number marking code zener voltage range (note 1) test current maximum zener impedance (note 2) maximum reverse leakage current (note 1) 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 mmsz5221bs c1 2.4 2.28 2.52 20 30 1200 100 1.0 mmsz5223bs c3 2.7 2.57 2.84 20 30 1300 75 1.0 MMSZ5225BS c5 3.0 2.85 3.15 20 30 1600 50 1.0 mmsz5226bs g1 3.3 3.14 3.47 20 28 1600 25 1.0 mmsz5227bs g2 3.6 3.42 3.78 20 24 1700 15 1.0 mmsz5228bs g3 3.9 3.71 4.10 20 23 1900 10 1.0 mmsz5229bs g4 4.3 4.09 4.52 20 22 2000 5.0 1.0 mmsz5230bs g5 4.7 4.4 7 4.94 20 19 1900 5.0 2.0 mmsz5231bs e1 5.1 4.85 5.36 20 17 1600 5.0 2.0 mmsz5232bs e2 5.6 5.32 5.88 20 11 1600 5.0 3.0 mmsz5233bs e3 6.0 5.70 6.30 20 7 1600 5.0 3.5 mmsz5234bs e4 6.2 5.89 6.51 20 7 1000 5.0 4.0 mmsz5235bs e5 6.8 6.46 7.14 20 5 750 3.0 5.0 mmsz5236bs f1 7.5 7.13 7.88 20 6 500 3.0 6.0 mmsz5237bs f2 8.2 7.79 8.61 20 8 500 3.0 6.5 mmsz5238bs f3 8.7 8.27 9.14 20 8 600 3.0 6.5 mmsz5239bs f4 9.1 8.65 9.56 20 10 600 3.0 7.0 mmsz5240bs f5 10 9.50 10.50 20 17 600 3.0 8.0 mmsz5241bs h1 11 10.45 11.55 20 22 600 2.0 8.4 mmsz5242bs h2 12 11.40 12.60 20 30 600 1.0 9.1 mmsz5243bs h3 13 12.35 13.65 9.5 13 600 0.5 9.9 mmsz5245bs h5 15 14.25 15.75 8.5 16 600 0.1 11 mmsz5246bs j1 16 15.20 16.80 7.8 17 600 0.1 12 mmsz5248bs j3 18 17.10 18.90 7.0 21 600 0.1 14 mmsz5250bs j5 20 19.00 21.00 6.2 25 600 0.1 15 mmsz5251bs k1 22 20.90 23.10 5.6 29 600 0.1 17 mmsz5252bs k2 24 22.80 25.20 5.2 33 600 0.1 18 mmsz5254bs k4 27 25.65 28.35 5.0 41 600 0.1 21 mmsz5255bs k5 28 26.60 29.40 4.5 44 600 0.1 21 mmsz5256bs m1 30 28.50 31.50 4.2 49 600 0.1 23 mmsz5257bs m2 33 31.35 34.65 3.8 58 700 0.1 25 mmsz5258bs m3 36 34.20 37.80 3.4 70 700 0.1 27 mmsz5259bs m4 39 37.05 40.95 3.2 80 800 0.1 30 xx = product type marking code (see table above) xx marking information device packaging shipping (type number)-7* sod-323 3000/tape & reel ordering information (note 3)
ds31038 rev. 6 - 2 3 of 3 mmsz5221bs - mmsz5259bs www.diodes.com 0 10 20 30 0 i , zener current (ma) z v , zener voltage (v) z fig. 6 zener breakdown characteristics 10 20 30 4 0 t = 25c j test current i z 10 12 18 22 27 33 36 15 39 nominal zener voltage 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 5v6 6v8 8v2 test current i z 20ma 1 10 100 1 10 100 p , peak surge p o wer (w) pk pulse width (ms) fig. 4 maximum non-repetitive surge power 100 0 1 10 100 1000 110100 v , nominal zener voltage (v) z fi g . 3 zener impedance vs. zener volta g e i = 1.0ma z 1 10 100 1000 1 10 100 c,t o tal capacitance (pf) t v , nominal zener voltage (v) z fig. 2 typical capacitance 0v bias f = 1mhz 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
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