zm4728a to zm4764a www.vishay.com vishay semiconductors rev. 1.5, 06-dec-11 1 document number: 85786 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 zener diodes features ? silicon planar power zener diodes ? for use in stablilizing and clipping circuits with high power rating ? standard zener voltage tolerance is 5 % ? these diodes are also available in the do-41 case with type designation 1n4728a to 1n4764a ? aec-q101 qualified ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec ? halogen-free according to iec 61249-2-21 definition primary characteristics parameter value unit v z range nom. 3.3 to 100 v test current i zt 2.5 to 76 ma v z specification pulse current int. construction single ordering information device name ordering code taped units per reel minimum order quantity zm4728a to zm4764a zm4728a to zm4764a-series-gs 18 5 000 (12 mm tape on 13" reel) 10 000/box zm4728a to zm4764a zm4728a to zm4764a-series-gs08 1 500 (12 mm tape on 7" reel) 12 000/box package package name weight molding compound flammability rating moisture sensitivity level soldering conditions melf do-213ab (glass) 135 mg ul 94 v-0 msl level 1 (according j-std-020) 260 c/10 s at terminals absolute maximum ratings (t amb = 25 c, unless otherwise specified) parameter test condition symbol value unit power dissipation valid provided that electrodes are kept at ambient temperature p tot 1000 mw zener current see table characteristics junction to ambient air valid provided that electrodes are kept at ambient temperature r thja 170 k/w junction temperature t j 175 c storage temperature range t stg - 65 to + 175 c
zm4728a to zm4764a www.vishay.com vishay semiconductors rev. 1.5, 06-dec-11 2 document number: 85786 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 notes (1) the zener impedance is deri ved from the 1 khz ac voltage which results when an ac current having an rms value equal to 10 % of the zener current (i zt1 or i zt2 ) is superimposed on i zt1 or i zt2 . zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units (2) valid provided that electrodes are kept at ambient temperature (3) measured under thermal equili brium and dc test conditions electrical characteristics (t amb = 25 c, unless otherwise specified) part number zener voltage range (1) test current reverse laekage current dynamic resistance f = 1 khz surge current (3) regulator current (2) v z at i zt1 i zt1 i zt2 i r at v r z z at i zt1 z zk at i zt2 i r i zm v ma a v ? ma ma nom. max. max. max. max. zm4728a 3.3 76 1 100 1 10 400 1380 276 zm4729a 3.6 69 1 100 1 10 400 1260 252 zm4730a 3.9 64 1 50 1 9 400 1190 234 zm4731a 4.3 58 1 10 1 9 400 1070 217 zm4732a 4.7 53 1 10 1 8 500 970 193 zm4733a 5.1 49 1 10 1 7 550 890 178 zm4734a 5.6 45 1 10 2 5 600 810 162 zm4735a 6.2 41 1 10 3 2 700 730 146 zm4736a 6.8 37 1 10 4 3.5 700 660 133 zm4737a 7.5 34 0.5 10 5 4 700 605 121 zm4738a 8.2 31 0.5 10 6 4.5 700 550 110 zm4739a 9.1 28 0.5 10 7 5 700 500 100 zm4740a 10 25 0.25 10 7.6 7 700 454 91 zm4741a 11 23 0.25 5 8.4 8 700 414 83 zm4742a 12 21 0.25 5 9.1 9 700 380 76 zm4743a 13 19 0.25 5 9.9 10 700 344 69 zm4744a 15 17 0.25 5 11.4 14 700 304 61 zm4745a 16 15.5 0.25 5 12.2 16 700 285 57 zm4746a 18 14 0.25 5 13.7 20 750 250 50 zm4747a 20 12.5 0.25 5 15.2 22 750 225 45 zm4748a 22 11.5 0.25 5 16.7 23 750 205 41 zm4749a 24 10.5 0.25 5 18.2 25 750 190 38 zm4750a 27 9.5 0.25 5 20.6 35 750 170 34 zm4751a 30 8.5 0.25 5 22.8 40 1000 150 30 zm4752a 33 7.5 0.25 5 25.1 45 1000 135 27 zm4753a 36 7 0.25 5 27.4 50 1000 125 25 zm4754a 39 6.5 0.25 5 29.7 60 1000 115 23 zm4755a 43 6 0.25 5 32.7 70 1500 110 22 zm4756a 47 5.5 0.25 5 35.8 80 1500 95 19 zm4757a 51 5 0.25 5 38.8 95 1500 90 18 zm4758a 56 4.5 0.25 5 42.6 110 2000 80 16 zm4759a 62 4 0.25 5 47.1 125 2000 70 14 zm4760a 68 3.7 0.25 5 51.7 150 2000 65 13 zm4761a 75 3.3 0.25 5 56 175 2000 60 12 zm4762a 82 3 0.25 5 62.2 200 3000 55 11 zm4763a 91 2.8 0.25 5 69.2 250 3000 50 10 zm4764a 100 2.5 0.25 5 76 350 3000 45 9
zm4728a to zm4764a www.vishay.com vishay semiconductors rev. 1.5, 06-dec-11 3 document number: 85786 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 basic characteristics (t amb = 25 c, unless otherwise specified) fig. 1 - admissible power dissipati on vs. ambient temperature package dimensions in millimeters (inches): melf do-213ab (glass) 18289 w 1.0 0.8 0.6 0.4 0.2 0 0100 200 c t am b p tot 18317 foot print recommendation: the gap b et w een pl u g and glass can b e either on cathode or anode side cathode identification 4.00 (0.157) max. 1.25 (0.049) min. ref. 6.50 (0.256) 2.6 (0.102) 2.4 (0.094) 0.55 (0.022) 5.2 (0.205) 4.8 (0.189) 3.00 (0.118) min.
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