1SMA4736~1SMA4757 SURFACE MOUNT SILICON ZENER DIODE VOLTAGE 6.8 to 51 Volts POWER 1.0 Watts FEATURES • For surface mounted applications in order to optimize board space. • Low profile package • Built-in strain relief .047(1.20) • Glass passivated junction • Low inductance • Typical IR less than 5.0µA above 11V • Plastic package has Underwriters Laboratory Flammability Classification 94V-O • High temperature soldering : 260°C /10 seconds at terminals • In compliance with EU RoHS 2002/95/EC directives MECHANICALDATA • Case: JEDEC DO-214AC,Molded plastic over passivated junction. • Terminals: Solder plated,solderable per MIL-STD-750, Method 2026 • Polarity: Color band denotes positive end (cathode) • Standard Packaging:12mm tape (EIA-481) • Weight: 0.0023 ounce, 0.0679 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Parameter Symbol Value Units Peak Pulse Power Dissipation on TA =50O C (Notes A) Derate above 50 O C PD 1.0 W atts Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 10 Amps TJ,TSTG -55 to + 150 Operating Junction and Storage Temperature Range O C NOTES: A. Mounted on 5.0mm2 (.013mm thick) land areas. B. Measured on8.3ms, 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%. STAD-FEB.10.2009 1 PAGE . 1 1SMA4736~1SMA4757 N o m i n a l Ze n e r Vo l t a g e Part N umber V Z @ I ZT N o m. V Max R everse Leakage C urrent M a x i m u m Ze n e r I m p e d a n c e Z ZT @ I ZT Z ZK @ I ZK I R @ VR Min . V Ma x . V Ω mA Ω mA u A Ma x V Ma rk in g Code 1.0 Watt ZEN ER 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 P D , MAXIMUM POWER DISSIPATION (WATTS) RATING AND CHARACTERISTICS CURVES 1.0 L=LEAD LENGTH TO HEAT SINK 0.75 0.5 0.25 0 0 20 40 60 80 1 0 0 120 140 160 180 200 O T L , LEAD TEMPERATURE ( C) FIGURE.1 POWER TEMPERATURE DERATING CURVE STAD-FEB.10.2009 1 PAGE . 2 1SMA4736~1SMA4757 b-RAMGE FPRIMOTSTP 12 TO 51 VOLTS STAD-FEB.10.2009 1 PAGE . 3 1SMA4736~1SMA4757 STAD-FEB.10.2009 1 PAGE . 4 1SMA4736~1SMA4757 MOUNTING PAD LAYOUT ORDER INFORMATION • Packing information T/R - 7.5K per 13" plastic Reel T/R - 1.8Kper 7” plastic Reel LEGAL STATEMENT Copyright PanJit International, Inc 2009 The information presented in this document is believed to be accurate and reliable. The specifications and information herein are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit does not convey any license under its patent rights or rights of others. STAD-FEB.10.2009 1 PAGE . 5