number: db-208 december 2009, revision a page 1 tak cheong ? semiconductor 200mw sod-323 surface mount small outline flat lead plastic package zener voltage regulators green product absolute maximum ratings t a = 25c unless otherwise noted symbol parameter value units p d power dissipation 200 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, 4.3v to 75v ? vz tolerance selection of 2% ? flat lead sod-323 small outline plastic package ? surface device type mounting ? rohs compliant ? green emc ? matte tin(sn) lead finish ? 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 z zk @ i zk = 0.25ma ( ) max i r @ v r ( a) max v r (volts) mmsz5229csw 229c 4.214 4.3 4.386 20 22 2000 5 1 mmsz5230csw 230c 4.606 4.7 4.794 20 19 1900 5 2 mmsz5231csw 231c 4.998 5.1 5.202 20 17 1600 5 2 MMSZ5232CSW 232c 5.488 5.6 5.712 20 11 1600 5 3 mmsz5233csw 233c 5.88 6.0 6.12 20 7 1600 5 3.5 mmsz5234csw 234c 6.076 6.2 6.324 20 7 1000 5 4 mmsz5235csw 235c 6.664 6.8 6.936 20 5 750 3 5 mmsz5236csw 236c 7.35 7.5 7.65 20 6 500 3 6 mmsz5237csw 237c 8.036 8.2 8.364 20 8 500 3 6.5 mmsz5238csw 238c 8.526 8.7 8.874 20 8 600 3 6.5 mmsz5239csw 239c 8.918 9.1 9.282 20 10 600 3 7 mmsz5240csw 240c 9.8 10 10.2 20 17 600 3 8 mmsz5241csw 241c 10.78 11 11.22 20 22 600 2 8.4 mmsz5242csw 242c 11.76 12 12.24 20 30 600 1 9.1 mmsz5243csw 243c 12.74 13 13.26 9.5 13 600 0.5 9.9 mmsz5244csw 244c 13.72 14 14.28 9 15 600 0.1 10 mmsz5245csw 245c 14.7 15 15.3 8.5 16 600 0.1 11 mmsz5246csw 246c 15.68 16 16.32 7.8 17 600 0.1 12 mmsz5247csw 247c 16.66 17 17.34 7.4 19 600 0.1 13 mmsz5248csw 248c 17.64 18 18.36 7 21 600 0.1 14 mmsz5249csw 249c 18.62 19 19.38 6.6 23 600 0.1 14 mmsz5250csw 250c 19.6 20 20.4 6.2 25 600 0.1 15 electrical symbol mmsz5221csw through mmsz5267csw cathode anode sod-323 flat lead
number: db-208 december 2009, revision a page 2 tak cheong ? semiconductor 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 z zk @ i zk = 0.25ma ( ) max i r @ v r ( a) max v r (volts) mmsz5251csw 251c 21.56 22 22.44 5.6 29 600 0.1 17 mmsz5252csw 252c 23.52 24 24.48 5.2 33 600 0.1 18 mmsz5253csw 253c 24.5 25 25.5 5 35 600 0.1 19 mmsz5254csw 254c 26.46 27 27.54 4.6 41 600 0.1 21 mmsz5255csw 255c 27.44 28 28.56 4.5 44 600 0.1 21 mmsz5256csw 256c 29.4 30 30.6 4.2 49 600 0.1 23 mmsz5257csw 257c 32.34 33 33.66 3.8 58 700 0.1 25 mmsz5258csw 258c 35.28 36 36.72 3.4 70 700 0.1 27 mmsz5259csw 259c 38.22 39 39.78 3.2 80 800 0.1 30 mmsz5260csw 260c 42.14 43 43.86 3 93 900 0.1 33 mmsz5261csw 261c 46.06 47 47.94 2.7 105 1000 0.1 36 mmsz5262csw 262c 49.98 51 52.02 2.5 125 1100 0.1 39 mmsz5263csw 263c 54.88 56 57.12 2.2 150 1300 0.1 43 mmsz5264csw 264c 58.8 60 61.2 2.1 170 1400 0.1 46 mmsz5265csw 265c 60.76 62 63.24 2.0 185 1400 0.1 47 mmsz5266csw 266c 66.64 68 69.36 1.8 230 1600 0.1 52 mmsz5267csw 267c 73.5 75 76.5 1.7 270 1700 0.1 56 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 1ms. 2. the device numbers listed have a standard tolerance on the nominal zener voltage of 2%. 3. 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. 4. for detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighte r voltage tolerances, contact your nearest tak cheong electronics representative.
number: db-208 december 2009, revision a page 3 tak cheong ? semiconductor typical characteristic curves 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 50 100 150 200 250 0 25 50 75 100 125 150 175 200 temperature [ ] power passipation, mw fig.3 power dissipation vs. ambient temp.
number: db-208 december 2009, revision a page 4 tak cheong ? semiconductor sod-323 package outline notes: 1. the above package outline is similar to jeita sc-90. 2. dimensions are exclusive of burrs, mold flash & tie bar extrusions. fig.7 typical leakge current
number: db-100 april 14, 2008 / a disclaimer notice tak cheong ? notice the information presented in this document is for reference only. tak cheong reserves the right to make changes without notice for the specification of the products displayed herein. the product listed herein is designed to be used with ordinary electronic equipment or devices, and not designed to be used with equipment or devices which require high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controlle rs and other safety devices), tak cheong semiconductor co., ltd., or anyone on its behalf, assumes no responsi bility or liability for any damagers resulting from such improper use of sale. this publication supersedes & replaces all information reviously supplied. for additional information, please visit our website http://www.takcheong.com , or consult your nearest tak cheong?s sales office for further assistance.
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