ds18015 rev. h-2 1 of 3 smaz3v3 - smaz39 smaz3v3 - smaz39 1.0w surface mount zener diode 1.0w power dissipation high surge capability ideally suited for automatic assembly 3.3v - 39v nominal zener voltage range standard v z tolerance is 5% plastic material: ul flammability classification rating 94v-0 features maximum ratings @t a = 25c unless otherwise specified case: sma, molded plastic terminals: solderable per mil-std-202, method 208 marking: marking code (see table on page 2) polarity: cathode notch or cathode band weight: 0.064 grams (approx.) mechanical data a b c d g h e j characteristic symbol value unit zener current (see table page 2) i zm pd / v z ma forward voltage @i f = 200ma v f 1.2 v power dissipation@t a = 50c derate above 50c (note 1) p d 1.0 8.0 w mw/c typical thermal resistance - junction to terminal (note 1) r jt 30 c/w typical thermal resistance - junction to ambient (note 1) r ja 120 c/w operating and storage temperature range t j ,t stg -65 to +175 c sma dimmin max a 2.29 2.92 b 4.00 4.60 c 1.27 1.63 d 0.15 0.31 e 4.80 5.59 g 0.10 0.20 h 0.76 1.52 j 2.01 2.62 all dimensions in mm notes: 1. valid provided that terminals are kept at ambient temperature. 2. tested with i zt current pulses. pulse width 50ms.
ds18015 rev. h-2 2 of 3 smaz3v3 - smaz39 electrical characteristics @t a = 25c unless otherwise noted type number marking code zener voltage range (note 2) test current maximum zener impedance maximum reverse current i zm max (note 1) v z @i zt i zt z zt @ i zt z zk @ i zk i r @v r nom (v) min (v) max (v) ma maa v ma smaz3v3 zgw 3.3 3.13 3.46 100 10 500 1.0 100 1.0 303 smaz3v6 zgz 3.6 3.42 3.78 100 9.0 500 1.0 100 1.0 278 smaz3v9 zha 3.9 3.70 4.09 100 7.5 500 1.0 50 1.0 256 smaz4v3 zhf 4.3 4.08 4.51 100 6.0 500 1.0 10 1.0 233 smaz4v7 zhg 4.7 4.46 4.93 100 5.0 500 1.0 5.0 1.0 213 smaz5v1 zhk 5.1 4.84 5.40 100 5.0 500 1.0 2.5 1.0 196 smaz5v6 zhl 5.60 5.32 5.88 100 2.0 250 2.0 5.0 2.0 179 smaz6v2 zhn 6.20 5.89 6.51 100 2.0 200 2.0 5.0 3.0 161 smaz6v8 zho 6.80 6.46 7.14 100 2.0 200 1.0 5.0 4.0 147 smaz7v5 zhq 7.50 7.13 7.88 100 2.0 450 1.0 5.0 5.0 133 smaz8v2 zhr 8.20 7.79 8.61 100 2.0 200 1.0 5.0 6.0 122 smaz9v1 zht 9.10 8.65 9.56 50 4.0 200 1.0 5.0 7.0 110 smaz10 zhu 10.00 9.50 10.50 50 4.0 200 1.0 1.0 7.6 100 smaz12 zhw 12.00 11.40 12.60 50 7.0 150 1.0 1.0 9.1 83 smaz15 zhz 15.00 14.25 15.75 50 10 150 1.0 1.0 11.4 67 smaz16 zja 16.00 15.20 16.80 25 15 150 1.0 0.5 12.2 63 smaz18 zjf 18.00 17.10 18.90 25 15 150 1.0 0.5 13.7 56 smaz20 zjg 20.00 19.00 21.00 25 15 180 1.0 0.5 15.2 50 smaz22 zjk 22.00 20.90 23.10 25 15 180 1.0 0.5 16.7 45 smaz24 zjl 24.00 22.80 25.20 25 15 180 1.0 0.5 18.2 42 smaz27 zjn 27.00 25.65 28.35 25 15 200 1.0 0.5 20.5 37 smaz30 zjq 30.00 28.50 31.50 25 15 250 1.0 0.5 22.8 33 smaz33 zjr 33.00 31.35 34.65 25 15 300 1.0 0.5 25.1 30 smaz36 zjs 36.00 34.20 37.80 10 40 350 1.0 0.5 27.4 28 smaz39 zjt 39.00 37.05 40.95 10 40 450 1.0 0.5 29.6 26 notes: 1. valid provided that device terminals are kept at ambient temperature. 2. tested with i zt current pulses. pulse width 50ms.
ds18015 rev. h-2 3 of 3 smaz3v3 - smaz39 0.001 0.01 0.1 1 10 100 1000 2000 1 10 100 500 i , leakage current (a) r v , zener regulation voltage (v) fi g . 4 leaka g e current vs re g ulation volta g e zt t=125c j 0.1 1 10 100 1000 1 10 100 500 v , zener regulation voltage (v) fi g . 5 differential resistance vs re g ulation volta g e zt i = 5.0ma zt i = 20ma zt i = 100m zt a i = 10ma zt 0 10 100 1000 1 10 100 200 c , junction cap acitance (pf) j v , reverse voltage (v) fi g . 2 junction capacitance vs reverse volta g e r smaz5v6 smaz27 smaz12 0.1 1 10 20 0 0.5 1.0 1.5 2.0 2.5 i , peak for ward current (a) fm v , peak forward voltage (v) fi g . 3 peak forward current vs peak forward volta g e fm t j =25 c 0 0.2 0.4 0.6 0.8 1.0 1 . 2 0 50 100 150 175 p peak power (w) pk t , ambient temperature c fi g . 1 power dissipation vs ambient temperature a r , differential resist ance ( ) zt ?
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