Jingdao Microelectronics co.LTD 1SMA4728A THRU 1SMA4777A Silicon Planar Zener Diodes PINNING PIN DESCRIPTION FEATURES Total power dissipation: Max. 1 W. 1 Cathode Wide zener reverse voltage range 3.3V to 330V. Anode 2 Small plastic package suitable for surface mounted design. 2 MECHANICAL DATA Case: SMA 1 Terminals: Solderable per MIL-STD-750, Method 2026 Simplified outline SMA and symbol Approx. Weight: 0.055g / 0.002oz Absolute Maximum Ratings And Characteristics Ta = 25 C Parameter Symbol Value Unit Power Dissipation at Tc=75C P 1 W D Forward Voltage at I = 200 mA F V 1.2 V F Junction Temperature Range TJ - 55 to + 150 C TS Storage Temperature Range - 55 to + 150 C Fig.1 Maximum Continuous Power Derating 1.2 1.0 0.8 0.6 0.4 0.2 0.0 25 50 75 100 125 150 175 T ,Case Temperature (C) c Page 1 of 3 2016.10 SMA-W-1SMA4728A~1SMA4777A-1W Power Dissipation (W)Characteristics at Ta = 25C Dynamic 1 Zener Voltage Range Reverse Current Impedance Admissible Zener Current Type Marking VZTat I I ZZTat I I at V ZT ZT ZT R R MinV NomV MaxV (mA) Max ( ) MaxA V I (mA) ZM 1SMA4728A 728A 3.10 3.3 3.50 75 10 100 1 285 1SMA4729A 729A 3.40 3.6 3.80 69 10 100 1 263 1SMA4730A 730A 3.70 3.9 4.10 64 9.0 50 1 243 1SMA4731A 731A 4.06 4.3 4.56 58 9.0 25 1 219 1SMA4732A 732A 4.93 4.50 4.7 53 8.0 10 1 203 1SMA4733A 733A 4.84 5.1 5.36 49 7.0 10 1 186 1SMA4734A 734A 5.32 5.6 5.92 45 5.0 10 2 170 1SMA4735A 735A 5.86 6.2 6.51 41 2.0 10 3 154 1SMA4736A 736A 6.46 6.8 7.18 37 3.5 10 4 140 1SMA4737A 737A 7.12 7.5 7.88 34 4.0 10 5 127 1SMA4738A 738A 7.79 8.2 8.67 31 4.5 10 6 116 1SMA4739A 739A 8.60 9.1 9.59 28 5.0 10 7 104 1SMA4740A 740A 9.50 10 10.5 25 7.0 10 7 95 1SMA4741A 741A 10.4 11 11.6 23 8.0 5 8 86 1SMA4742A 742A 11.4 12 12.6 21 9.0 5 9 79 1SMA4743A 743A 12.4 13 14.1 19 10 5 10 71 1SMA4744A 744A 13.8 15 15.8 17 14 5 11 63 1SMA4745A 745A 15.2 16 17.1 16 16 5 12 58 1SMA4746A 746A 16.8 18 19.2 14 20 5 13 52 1SMA4747A 747A 19.0 20 21.2 13 22 5 15 47 1SMA4748A 748A 20.8 22 23.3 12 23 5 17 43 1SMA4749A 749A 22.8 24 26.0 11 25 5 18 38 1SMA4750A 750A 25.3 27 28.9 9.5 35 5 21 35 1SMA4751A 751A 28.2 30 32.0 8.5 40 5 23 31 1SMA4752A 752A 31.3 33 34.9 7.5 45 5 25 28 1SMA4753A 753A 34.2 36 37.9 7.0 50 5 27 26 1SMA4754A 754A 37.2 39 41.5 6.5 60 5 30 24 1SMA4755A 40.9 43 45.6 6.0 70 22 755A 1 32 1SMA4756A 756A 44.9 47 49.8 5.5 80 1 35 20 1SMA4757A 757A 48.6 51 54.0 5.0 95 1 38 18 1SMA4758A 758A 53.6 56 58.8 4.5 110 1 42 17 1SMA4759A 759A 58.9 62 65.6 4.0 125 1 47 15 1SMA4760A 64.6 68 71.7 3.7 150 1 52 14 760A 1SMA4761A 761A 71.2 75 78.8 3.3 175 1 56 12 1SMA4762A 762A 77.9 82 87.0 3.0 200 1 62 11 1SMA4763A 763A 86.0 91 96.0 2.8 250 1 69 10 1SMA4764A 764A 95.0 100 105 2.5 350 1 76 9.5 1SMA4765A 765A 104 110 116 2.3 450 1 84 8.6 1SMA4766A 114 120 127 2.0 550 1 91 7.8 766A 1SMA4767A 767A 125 135 142 1.9 700 1 100 7.0 1SMA4768A 768A 140 150 157 1.7 900 1 110 6.3 1SMA4769A 769A 155 165 172 1.6 1100 1 120 5.8 1SMA4770A 770A 170 180 191 1.4 1200 1 135 5.2 1SMA4771A 189 200 211 1.2 1400 1 150 4.7 771A 209 220 231 1.0 1600 1 165 4.3 1SMA4772A 772A 1SMA4773A 773A 229 240 251 1.0 1800 1 180 3.9 1SMA4774A 774A 249 260 271 1.0 2000 1 190 3.7 1SMA4775A 775A 269 280 291 1.0 2100 1 205 3.4 1SMA4776A 289 300 315 1.0 2300 1 230 3.1 776A 313 330 346 1.0 2500 1 250 2.8 1SMA4777A 777A 1 V is tested with pulses (20 ms) ZT www.sdjingdao.com Page 2of 3 2016.10