sml4728 to sml4764a document number 85782 rev. 1.6, 22-oct-08 vishay semiconductors www.vishay.com 1 for technical support, please contact: diodesssp@vishay.com surface mount zener diodes features ? plastic package has underwriters laboratory flammab ility classification 94 v-0 ? for surface mounted applications ? low zener impedance ? low regulation factor ? high temperature soldering guaranteed: 260 c/10 s at terminals ? standard voltage tolerance is 10 %, suffix a 5 % ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec mechanical data case: do-214ac terminals: solder plated, solderable per mil-std- 750, method 2026 polarity: color band denotes positive end (cathode) mounting position: any weight: 0.002 ounce, 64 mg packaging codes/options (antistatic): sml4728 - sml4764a: 61 to 1.8 k per 7" plastic reel (12 mm tape) 5a to 7.5 k per 13" plastic reel (12 mm tape) absolute maximum ratings t amb = 25 c, unless otherwise specified thermal characteristics t amb = 25 c, unless otherwise specified 15 8 11 parameter test condition symbol value unit power dissipation t l = 75 c p tot 1w parameter test condition symbol value unit maximum junction temperature t j 150 c storage temperature range t s - 65 to + 150 c
www.vishay.com 2 document number 85782 rev. 1.6, 22-oct-08 sml4728 to sml4764a vishay semiconductors for technical support, please contact: diodesssp@vishay.com electrical characteristics notes: (1) based on dc- measurement at thermal equilibrium (2) surge current is a non-repetitive, 8.3 ms pulse wi dth square wave or equivalent sine-wave superimposed on i zt per jedec method partnumber device marking code nominal zener voltage test current maximum dynamic impedance resistance maximum dc reverse leakage current maximum surge current v z (1) at i zt i zt z zt at i zt z zk at i zk i zk i r v r i rm (2) v ma ma a v mapk sml4728 3p3 3.3 76 10 400 1 100 1 1380 sml4729 3p6 3.6 69 10 400 1 100 1 1260 sml4730 3p9 3.9 64 9 400 1 50 1 1190 sml4731 4p3 4.3 58 9 400 1 10 1 1070 sml4732 4p7 4.7 53 8 500 1 10 1 970 sml4733 5p1 5.1 49 7 550 1 10 1 890 sml4734 5p6 5.6 45 5 600 1 10 2 810 sml4735 6p2 6.2 41 2 700 1 10 3 730 sml4736 6p8 6.8 37 3.5 700 1 10 4 660 sml4737 7p5 7.5 34 4 700 0.5 10 5 605 sml4738 8p2 8.2 31 4.5 700 0.5 10 6 550 sml4739 9p1 9.1 28 5 700 0.5 10 7 500 sml4740 10 10 25 7 700 0.25 10 7.6 454 sml4741 11 11 23 8 700 0.25 5 8.4 414 sml4742 12 12 21 9 700 0.25 5 9.1 380 sml4743 13 13 19 10 700 0.25 5 9.9 344 sml4744 15 15 17 14 700 0.25 5 11.4 305 sml4745 16 16 15.5 16 700 0.25 5 12.2 285 sml4746 18 18 14 20 750 0.25 5 13.7 250 sml4747 20 20 12.5 22 750 0.25 5 15.2 225 sml4748 22 22 11.5 23 750 0.25 5 16.7 205 sml4749 24 24 10.5 25 750 0.25 5 18.2 190 sml4750 27 27 9.5 35 750 0.25 5 20.6 170 sml4751 30 30 8.5 40 1000 0.25 5 22.8 150 sml4752 33 33 7.5 45 1000 0.25 5 25.1 135 sml4753 36 36 7 50 1000 0.25 5 27.4 125 sml4754 39 39 6.5 60 1000 0.25 5 29.7 115 sml4755 43 43 6 70 1500 0.25 5 32.7 110 sml4756 47 47 5.5 80 1500 0.25 5 35.8 95 sml4757 51 51 5 95 1500 0.25 5 38.8 90 sml4758 56 56 4.5 110 2000 0.25 5 42.6 80 sml4759 62 62 4 125 2000 0.25 5 47.1 70 sml4760 68 68 3.7 150 2000 0.25 5 51.7 65 sml4761 75 75 3.3 175 2000 0.25 5 56 60 sml4762 82 82 3 200 3000 0.25 5 62.2 55 sml4763 91 91 2.8 250 3000 0.25 5 69.2 50 sml4764 100 100 2.5 350 3000 0.25 5 76 45
sml4728 to sml4764a document number 85782 rev. 1.6, 22-oct-08 vishay semiconductors www.vishay.com 3 for technical support, please contact: diodesssp@vishay.com typical characteristics t amb = 25 c, unless otherwise specified fig. 1 - maximum continuous power dissipation fig. 2 - typical zener impedance fig. 3 - typical temperature coefficients 25 50 75 100 125 150 175 0 0.25 0.5 0.75 1.0 terminals temperat u re ( c) p m(a v ) ,a v erage po w er dissipation ( w ) 60 hz resisti v eor ind u cti v e load p.c.b. mo u nted on 0.31 x 0.31 x 0.0 8 "( 8 x 8 x 2mm) copper areas pads 17923 0.5 10 100 500 1 10 100 1,000 i zt , zener test c u rrent (ma) z z , dynamic zener impedance ( ) t j =25c v z =91 v v z =56 v v z =30 v v z =6.2 v 17925 0 10 20 30 40 50 60 70 8 0 90 100 0 10 30 50 70 90 110 v z , zener v oltage ( v ) v z , temperat u re coefficient (m v /c) tested at rated i zt 17927 fig. 4 - typical instantaneous forward characteristics for sml4763 fig. 5 - typical reverse characteristics 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 0.01 0.1 1 10 instantaneo u sfor w ard v oltage ( v ) instantaneo u sfor w ard c u rrent (a) p u lse w idth = 300s 1 % d u ty cycle t j =25c 17924 0 20 40 60 8 0 100 0.01 0.1 1 10 percent of rated zener v oltage ( % ) instantaneo u sre v erse c u rrent ( a) t j =25c t j =100c 17926
www.vishay.com 4 document number 85782 rev. 1.6, 22-oct-08 sml4728 to sml4764a vishay semiconductors for technical support, please contact: diodesssp@vishay.com package dimensions in millimeters (inches): do-214ac cathode band 1.32 (0.052) max. mountin g pad layout 0.305 (0.012) 0.152 (0.006) 1.52 (0.060) 0.76 (0.030) 1.65 (0.065) 1.25 (0.049) 2.29 (0.090) 1.9 8 (0.07 8 ) 4.50 (0.177) 3.99 (0.157) 2.79 (0.110) 2.54 (0.100) 1 88 39 5.2 8 (0.20 8 ) 4.93 (0.194) 2.15 (0.0 8 4). 2.3 8 (0.094) max. 5.5 8 (0.22) ref. iso method e
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