data sheet semiconductor http://www.yeashin.com 1 rev.02 20110725 h mmszxxv series 500mw sod-123 surface moun t f lat lead surface mount plastic package zener voltage regulators a bsolute maximum ratings t a = 25c unless otherwise noted symb ol parameter value units p d po wer dissipation 500 mw t st g sto rage temperature range -65 to +150 c t op r o perating temperature range -65 to +150 c t hese ratings are limiting values above which the serviceability of the diode may be impaired. spe cification features: ? w ide zener voltage range selection, 2.4v to 75v ? vz tolerance selection of 5% (b series of 2%) ? flat lead sod-123 plastic package ? surfac e device type mounting ? m oisture sensitivity level 1 ? cl ip bonding construction, good thermal capability ? pb free version and rohs compliant ? m atte tin(sn) lead finish with nickel(ni) underplate ? band indi cates cathode elec trical characteristics t a = 25c unless otherwise noted v z @ i zt (volts) de vice type device marking min nom max i zt (ma) z zt @ i zt ( ? ) ma x i zk (ma) z zk @ i zk ( ? ) ma x i r @ v r ( a) max v r (v olts) mmsz 2v4 2v4z 2.28 2.4 2.52 5 94 1 564 45 1 mmsz 2v7 2v7z 2.57 2.7 2.84 5 94 1 564 18 1 mmsz 3v0 3v0z 2.85 3.0 3.15 5 89 1 564 9 1 mmsz 3v3 3v3z 3.14 3.3 3.47 5 89 1 564 4.5 1 mmsz 3v6 3v6z 3.42 3.6 3.78 5 84 1 564 4.5 1 mmsz 3v9 3v9z 3.71 3.9 4.10 5 84 1 564 2.7 1 mmsz 4v3 4v3z 4.09 4.3 4.52 5 84 1 564 2.7 1 mmsz 4v7 4v7z 4.47 4.7 4.94 5 75 1 470 2.7 2 mmsz 5v1 5v1z 4.85 5.1 5.36 5 56 1 451 1.8 2 mmsz 5v6 5v6z 5.32 5.6 5.88 5 37 1 376 0.9 2 mmsz 6v2 6v2z 5.89 6.2 6.51 5 9 1 141 2.7 4 mmsz 6v8 6v8z 6.46 6.8 7.14 5 14 1 75 1.8 4 mmsz 7v5 7v5z 7.11 7.5 7.86 5 14 1 75 0.9 5 mmsz 8v2 8v2z 7.79 8.2 8.61 5 14 1 75 0.63 5 mmsz 9v1 9v1z 8.65 9.1 9.56 5 14 1 94 0.45 6 mmsz 10v 10vz 9.50 10 10.50 5 18 1 141 0.18 7 mmsz 11v 11vz 10.45 11 11.55 5 18 1 141 0.09 8 mmsz 12v 12vz 11.40 12 12.60 5 23 1 141 0.09 8 mmsz 13v 13vz 12.35 13 13.65 5 28 1 160 0.09 8 mmsz 15v 15vz 14.25 15 15.75 5 28 1 188 0.045 10.5 mmsz 16v 16vz 15.20 16 16.80 5 37 1 188 0.045 11.2 mmsz 18v 18vz 17.10 18 18.90 5 42 1 212 0.045 12.6 mmsz 20v 20vz 19.00 20 21.00 5 51 1 212 0.045 14.0 electr ical symbol ca thode anode s od-123 flat lead xx = product type marking code xx
http://www.yeashin.com 2 rev.02 20110725 mmszxxv series electrical characteristics t a = 25c unless otherwise noted v z @ i zt (volts) device type device marking min nom max i zt (ma) z zt @ i zt ( ? ) max i zk (ma) z zk @ i zk ( ? ) max i r @ v r ( a) max v r (volts) mmsz22v 22vz 20.90 22 23.10 5 51 1 235 0.045 15.4 mmsz24v 24vz 22.80 24 25.20 5 65 1 235 0.045 16.8 mmsz27v 27vz 25.65 27 28.35 5 75 0.5 282 0.045 18.9 mmsz30v 30vz 28.50 30 31.50 5 75 0.5 282 0.045 21.0 mmsz33v 33vz 31.35 33 34.65 5 75 0.5 306 0.045 23.0 mmsz36v 36vz 34.20 36 37.80 5 84 0.5 329 0.045 25.2 mmsz39v 39vz 37.05 39 40.95 5 122 0.5 329 0.045 27.3 mmsz43v 43vz 40.85 43 45.15 5 141 0.5 353 0.045 30.1 mmsz47v 47vz 44.65 47 49.35 5 160 0.5 353 0.045 33.0 mmsz51v 51vz 48.45 51 53.55 5 169 0.5 376 0.045 35.7 mmsz56v 56vz 53.20 56 58.80 5 188 0.5 400 0.045 39.2 mmsz62v 62vz 58.90 62 65.10 5 202 0.5 423 0.045 43.4 mmsz68v 68vz 64.60 68 71.40 5 226 0.5 447 0.045 47.6 mmsz75v 75vz 71.25 75 78.75 5 240 0.5 470 0.045 52.5 v f forward voltage = 900mv maximum @ i f = 10 ma for all types notes: 1. the zener voltage ( v z ) is tested under pulse condition of 10ms. 2. the device numbers listed have a standard tolerance on the nominal zener voltage of 5%. 3. for detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighte r voltage tolerances, contact your n earest yeashin representative. 4. the zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to 10% of the dc zener current ( i zt or i zk ) is superimposed to i zt or i zk.
http://www.yeashin.com 3 rev.02 20110725 mmszxxv series device characteristics fig.1 typical forward voltage fig.2 effect of zener voltage on zener impedance fig.4 typical capacitance fig.5 zener breakdown characteristics fig.6 zener breakdown characteristics 0 100 200 300 400 500 600 0 25 50 75 100 125 150 175 200 temperature [ ] power passipation, mw fig.3 power dissipation vs. ambient temp.
http://www.yeashin.com 4 rev.02 20110725 mmszxxv series package outline & dimensions flat lead sod-123 package outline note: dimensions are exclusive of burrs, mold flash & tie bar extrusions. fig.7 typical leakge current soldering footprint
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