data sheet semiconductor http://www.yeashin.com 1 rev.02 20110725 h mmsz series 500mw sod-123fl surface mount flat lead surface mount plastic package zener voltage regulators absolute maximum ratings t a = 25c unless otherwise noted symbol parameter value units p d power dissipation 500 mw t stg storage temperature range -65 to +150 c t opr operating temperature range -65 to +150 c these ratings are limiting values above which the serviceability of the diode may be impaired. specification features: ? wide zener voltage range selection, 2.4v to 75v ? vz tolerance selection of 2% (b series) ? flat lead sod-123 plastic package ? surface device type mounting ? moisture sensitivity level 1 ? clip bonding construction, good thermal capability ? pb free version and rohs compliant ? matte tin(sn) lead finish with nickel(ni) underplate ? band indicates cathode 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) mmsz2v4b 2v4b 2.35 2.4 2.45 5 94 1 564 45 1 mmsz2v7b 2v7b 2.65 2.7 2.75 5 94 1 564 18 1 mmsz3v0b 3v0b 2.94 3.0 3.06 5 89 1 564 9 1 MMSZ3V3B 3v3b 3.23 3.3 3.37 5 89 1 564 4.5 1 mmsz3v6b 3v6b 3.53 3.6 3.67 5 84 1 564 4.5 1 mmsz3v9b 3v9b 3.82 3.9 3.98 5 84 1 564 2.7 1 mmsz4v3b 4v3b 4.21 4.3 4.39 5 84 1 564 2.7 1 mmsz4v7b 4v7b 4.61 4.7 4.79 5 75 1 470 2.7 2 mmsz5v1b 5v1b 5.00 5.1 5.20 5 56 1 451 1.8 2 mmsz5v6b 5v6b 5.49 5.6 5.71 5 37 1 376 0.9 2 mmsz6v2b 6v2b 6.08 6.2 6.32 5 9 1 141 2.7 4 mmsz6v8b 6v8b 6.66 6.8 6.94 5 14 1 75 1.8 4 mmsz7v5b 7v5b 7.35 7.5 7.65 5 14 1 75 0.9 5 mmsz8v2b 8v2b 8.04 8.2 8.36 5 14 1 75 0.63 5 mmsz9v1b 9v1b 8.92 9.1 9.28 5 14 1 94 0.45 6 mmsz10vb 10vb 9.80 10 10.20 5 18 1 141 0.18 7 mmsz11vb 11vb 10.78 11 11.22 5 18 1 141 0.09 8 mmsz12vb 12vb 11.76 12 12.24 5 23 1 141 0.09 8 mmsz13vb 13vb 12.74 13 13.26 5 28 1 160 0.09 8 mmsz15vb 15vb 14.70 15 15.30 5 28 1 188 0.045 10.5 mmsz16vb 16vb 15.68 16 16.32 5 37 1 188 0.045 11.2 mmsz18vb 18vb 17.64 18 18.36 5 42 1 212 0.045 12.6 mmsz20vb 20vb 19.60 20 20.40 5 51 1 212 0.045 14.0 electrical symbol cathode anode sod-123 flat lead
http://www.yeashin.com 2 rev.02 20110725 mmsz 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) mmsz22vb 22vb 21.56 22 22.44 5 51 1 235 0.045 15.4 mmsz24vb 24vb 23.52 24 24.48 5 65 1 235 0.045 16.8 mmsz27vb 27vb 26.46 27 27.54 5 75 0.5 282 0.045 18.9 mmsz30vb 30vb 29.40 30 30.60 5 75 0.5 282 0.045 21.0 mmsz33vb 33vb 32.34 33 33.66 5 75 0.5 306 0.045 23.0 mmsz36vb 36vb 35.28 36 36.72 5 84 0.5 329 0.045 25.2 mmsz39vb 39vb 38.22 39 39.78 5 122 0.5 329 0.045 27.3 mmsz43vb 43vb 42.14 43 43.86 5 141 0.5 353 0.045 30.1 mmsz47vb 47vb 46.06 47 47.94 5 160 0.5 353 0.045 33.0 mmsz51vb 51vb 49.98 51 52.02 5 169 0.5 376 0.045 35.7 mmsz56vb 56vb 54.88 56 57.12 5 188 0.5 400 0.045 39.2 mmsz62vb 62vb 60.76 62 63.24 5 202 0.5 423 0.045 43.4 mmsz68vb 68vb 66.64 68 69.36 5 226 0.5 447 0.045 47.6 mmsz75vb 75vb 73.50 75 76.50 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 2%. 3. for detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighte r voltage tolerances, contact your nearest y s terhnology 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 mmsz series device characteristics fig.1 typical forward voltage fig.2 effect of zener voltage on zener impedance 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. fig.4 typical capacitance fig.5 zener breakdown characteristics fig.6 zener breakdown characteristics
http://www.yeashin.com 4 rev.02 20110725 mmsz series package outline & dimensions fig.7 typical leakge current flat lead sod-123 package outline
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