0.4 +0.1 -0.1 2.9 +0.1 -0.1 0.95 +0.1 -0.1 1.9 +0.1 -0.1 2.4 +0.1 -0.1 1.3 +0.1 -0.1 0-0.1 0.38 +0.1 -0.1 0.97 +0.1 -0.1 0.55 0.4 1.base 2.emitter 3.collector 12 3 unit: mm sot-23 0.1 +0.05 -0.01 features planar die construction general purpose, medium current ideally suited for automated assembly processes absolute maximum ratings ta = 25 parameter symbol rating unit forward voltage @ i f =10ma v f 0.9 v power dissipation *1 p d 350 mw thermal resistance, junction to ambient air *1 r ja 357 /w operating and storage temperature range t j ,t stg -65 to +150 *1. part mounted on fr-4 pc board with recommended pad layout MMBZ5228B electrical characteristics @ta=25 unless otherwise specified i zt z zt @i zt z zk @i zk = 0.25ma i r @v r nom (v) min (v) max (v) ma ua v MMBZ5228B 3.9 3.71 4.1 20 23 1900 10 1 *1. short duration test pulse used to minimize self-heating effect. *2.f=1khz. maximum reverse leakage current *1 vz @i zt type number zener voltage range *1 maximum zenerimpedance *2 marking marking kg3 product specification sales@twtysemi.com 1 of 3 http://www.twtysemi.com 4008-318-123
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 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= 25 c j v = 1v r v = 2v r 1 10 100 1 10 100 p , peak surge p o wer (w) pk pulse width (ms) fig. 4 maximum non-repetitive surge power 1000 1 10 100 1000 1 10 100 v , nominal zener voltage (v) z fig. 3 zener voltage vs. zener impedence i = 1.0ma z MMBZ5228B product specification sales@twtysemi.com 2 of 3 http://www.twtysemi.com 4008-318-123
0 10 20 30 40 50 01 2 3 4 5 6 7 8910 i,zener c urrent ( ma ) z v , zener voltage (v) z fig. 5 zener breakdown characteristics t = 25c j 5v6 6v8 8v2 test current i z 20ma 0 10 20 30 0 i , zener current (ma) z v , zener voltage (v) z fig. 6 zener breakdown characteristics 10 20 30 40 t=25c j test current i z 10 12 18 22 27 33 36 15 39 nominal zener voltage MMBZ5228B product specification sales@twtysemi.com 3 of 3 http://www.twtysemi.com 4008-318-123
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