1SMA4728~1SMA4757 SURFACE MOUNT SILICON ZENER DIODE 3.3 to 51 Volt 1 Watt VOLTAGE POWER FEATURES For surface mounted applications in order to optimize board space Low inductance Plastic package has Underwriters Laboratory Flammability Classification 94V-O High temperature soldering : 260C /10 seconds at terminals Lead free in compliance with EU RoHS 2.0 Green molding compound as per IEC 61249 standard MECHANICALDA TA Case: JEDEC DO-214AC,Molded plastic over passivated junction. Terminals: Solder plated,solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Standard Packaging: 12mm tape (EIA-481) Weight: 0.0023 ounces, 0.0679 grams 1 2 Cathode Anode MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. Parameter Symbol Value Uni ts O P e ak P uls e P o we r D i ssi p ati on o n T =5 0 C (No tes A ) A P D 1.0 W atts O D erate a b o ve 50 C P eak F or w ard S urg e C u rr ent 8.3m s si n gl e h al f si n e- w ave sup eri m p ose d IFS M 10 A mps on r at ed l o ad R 150 o JA T ypic al T h erm al R esist anc e ( N ot es D ) C /W O Ope ra ti ng Juncti on and S tora ge Tem pe rature Range -55 to + 1 50 TJ,TS TG C NOTES: 2 A. Mounted on 5mm (0.013mm thick) land areas. B. Measured on 8.3ms, and single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum. C. Tolerance and Type Number Designation. The type numbers listed have a standard tolerance on the nominal zener voltage of 5%. D. Mounted on minimum recommended pad layout. May 15,2020 1SMA4728 SERIES-REV.10 PAGE . 11SMA47 28~1SMA4757 Max Reverse No mina l Z e ner V o lt a g e M a ximum Z e ne r I mpedance Leakage Current Ma rk ing Part Number Code V I ZZT I ZT ZZK I ZK I R VR Z ZT No m. V Min. V Max. V mA mA uA Ma x. V 1SMA4728 3.3 3.1 3.5 10 76 400 1 100 1 728B 1SMA4730 3.9 3.7 4.1 9 64 400 1 50 1 730B 1SMA4731 4.3 4.1 4.5 9 58 400 1 10 1 731B 1SMA4732 4.7 4.5 4.9 8 53 500 1 10 1 732B 1SMA4733 5.1 4.8 5.4 7 49 550 1 10 1 733B 1SMA4734 5.6 5.3 5.9 5 45 600 1 10 2 734B 1SMA4735 6.2 5.9 6.5 2 41 700 1 10 3 735B 1SMA4736 6.8 6.46 7.14 3.5 37 700 1 5 4 736B 1SMA4737 7.5 7.13 7.88 4 34 700 0.5 5 5 737B 1SMA4738 8.2 7.79 8.61 4.5 31 700 0.5 5 6 738B 1SMA4739 9.1 8.65 9.56 5 28 700 0.5 0.5 7 739B 1SMA4740 10 9.5 10.5 7 25 700 0.25 0.5 7.6 740B 1SMA4741 11 10.45 11.55 8 23 700 0.25 0.1 8.4 741B 1SMA4742 12 11.4 12.6 9 21 700 0.25 0.1 9.1 742B 1SMA4743 13 12.35 13.65 10 19 700 0.25 0.1 9.9 743B 1SMA4744 15 14.25 15.75 14 17 700 0.25 0.1 11.4 744B 1SMA4745 16 15.2 16.8 16 15.5 700 0.25 0.1 12.2 745B 1SMA4746 18 17.1 18.9 20 14 750 0.25 0.1 13.7 746B 1SMA4747 20 19 21 22 12.5 750 0.25 0.1 15.2 747B 1SMA4748 22 20.9 23.1 23 11.5 750 0.25 0.1 16.7 748B 1SMA4749 24 22.8 25.2 25 10.5 750 0.25 0.1 18.2 749B 1SMA4750 27 25.65 28.35 35 9.5 750 0.25 0.1 20.6 750B 1SMA4751 30 28.5 31.5 40 8.5 1000 0.25 0.1 22.8 751B 1SMA4752 33 31.35 34.65 45 7.5 1000 0.25 0.1 25.1 752B 1SMA4753 36 34.2 37.8 50 7 1000 0.25 0.1 27.4 753B 1SMA4754 39 37.05 40.95 60 6.5 1000 0.25 0.1 29.7 754B 1SMA4755 43 40.85 45.15 70 6 1500 0.25 0.1 32.7 755B 1SMA4756 47 44.65 49.35 80 5.5 1500 0.25 0.1 35.8 756B 1SMA4757 51 48.45 53.55 95 5 1500 0.25 0.1 38.8 757B May 15,2020 1SMA4728 SERIES-REV.10 PAGE . 2