SMA2Z Series Zener Diodes | 3.3V–200V | SMA Package 1W Voltage Regulators

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SMA2Z**A Series

SMA Package High-Reliability Zener Diodes, Voltage Range from 3.3V to 220V

The SMA2Z**A Series Zener Diodes are housed in compact SMA packages with 1W power rating and a wide breakdown voltage range from 3.3V to 220V. Engineered for compact PCB layouts and reliable regulation circuits, they offer low leakage current, excellent dynamic impedance, and high thermal stability. Ideal for use in reference voltage circuits, surge protection, and power regulation.

  • Surge protection and voltage clamping in USB, CAN, RS-485 interfaces
  • Overvoltage protection in industrial automation control circuits
  • Voltage regulation in consumer electronics like TVs, set-top boxes, and audio systems
  • Voltage reference and suppression in BMS and charging controllers
  • Stabilization and protection in LED constant current drivers
  • Voltage clamping in DC-DC converter modules
  • Reference voltage circuits in portable medical devices and instruments
Product Name Package PD(W) VZ@IZT(V) IZT(mA) ZZT@IZT(Ω) ZZK@IZK(Ω) IZK(mA) IR@VR(μA) IR@VR(V) Izm(mA) VF@IF=200mA(V) Tj（℃） Status
SMA2Z3.3A SMA 2 3.3 145 8 400 1 100 1 548 1.5 -55～+150 Active
SMA2Z3.6A SMA 2 3.6 139 5 400 1 100 1 502 1.5 -55～+150 Active
SMA2Z3.9A SMA 2 3.9 128 5 400 1 50 1 464 1.5 -55～+150 Active
SMA2Z4.3A SMA 2 4.3 116 4.5 400 1 50 1 421 1.5 -55～+150 Active
SMA2Z4.7A SMA 2 4.7 106 4.5 550 1 10 1 385 1.5 -55～+150 Active
SMA2Z5.1A SMA 2 5.1 98 3.5 600 1 10 1 354 1.5 -55～+150 Active
SMA2Z5.6A SMA 2 5.6 89.5 2.5 500 1 10 2 323 1.5 -55～+150 Active
SMA2Z6.2A SMA 2 6.2 80.5 1.5 700 1 10 3 292 1.5 -55～+150 Active
SMA2Z6.8A SMA 2 6.8 73.5 2 700 1 10 4 266 1.5 -55～+150 Active
SMA2Z7.5A SMA 2 7.5 66.5 2 700 0.5 10 5 242 1.5 -55～+150 Active
SMA2Z8.2A SMA 2 8.2 61 2.3 700 0.5 10 6 220 1.5 -55～+150 Active
SMA2Z9.1A SMA 2 9.1 55 2.5 700 0.5 10 7 200 1.5 -55～+150 Active
SMA2Z10A SMA 2 10 50 3.5 700 0.25 10 7.6 182 1.5 -55～+150 Active
SMA2Z11A SMA 2 11 45.5 4 700 0.25 1 8.4 166 1.5 -55～+150 Active
SMA2Z12A SMA 2 12 41.5 4.5 700 0.25 1 9.1 152 1.5 -55～+150 Active
SMA2Z13A SMA 2 13 38.5 5 700 0.25 0.5 9.9 138 1.5 -55～+150 Active
SMA2Z14A SMA 2 14 35.7 5.5 700 0.25 0.5 10.6 130 1.5 -55～+150 Active
SMA2Z15A SMA 2 15 33.4 7 700 0.25 0.5 11.4 122 1.5 -55～+150 Active
SMA2Z16A SMA 2 16 31.2 8 700 0.25 0.5 12.2 114 1.5 -55～+150 Active
SMA2Z17A SMA 2 17 29.4 9 750 0.25 0.5 13 107 1.5 -55～+150 Active
SMA2Z18A SMA 2 18 27.8 10 750 0.25 0.5 13.7 100 1.5 -55～+150 Active
SMA2Z19A SMA 2 19 26.3 11 750 0.25 0.5 14.4 95 1.5 -55～+150 Active
SMA2Z20A SMA 2 20 25 11 750 0.25 0.5 15.2 90 1.5 -55～+150 Active
SMA2Z22A SMA 2 22 22.8 12 750 0.25 0.5 16.7 82 1.5 -55～+150 Active
SMA2Z24A SMA 2 24 20.8 13 750 0.25 0.5 18.2 76 1.5 -55～+150 Active
SMA2Z27A SMA 2 27 18.5 18 750 0.25 0.5 20.6 68 1.5 -55～+150 Active
SMA2Z30A SMA 2 30 16.6 20 1000 0.25 0.5 22.5 60 1.5 -55～+150 Active
SMA2Z33A SMA 2 33 15.1 23 1000 0.25 0.5 25.1 55 1.5 -55～+150 Active
SMA2Z36A SMA 2 36 13.9 25 1000 0.25 0.5 27.4 50 1.5 -55～+150 Active
SMA2Z39A SMA 2 39 12.8 30 1000 0.25 0.5 29.7 47 1.5 -55～+150 Active
SMA2Z43A SMA 2 43 11.6 35 1500 0.25 0.5 32.7 43 1.5 -55～+150 Active
SMA2Z47A SMA 2 47 10.6 40 1500 0.25 0.5 35.8 39 1.5 -55～+150 Active
SMA2Z51A SMA 2 51 9.8 48 1500 0.25 0.5 38.8 36 1.5 -55～+150 Active
SMA2Z56A SMA 2 56 9 55 2000 0.25 0.5 42.6 32 1.5 -55～+150 Active
SMA2Z62A SMA 2 62 8.1 60 2000 0.25 0.5 47.1 29 1.5 -55～+150 Active
SMA2Z68A SMA 2 68 7.4 75 2000 0.25 0.5 51.7 27 1.5 -55～+150 Active
SMA2Z75A SMA 2 75 6.7 90 2000 0.25 0.5 56 24 1.5 -55～+150 Active
SMA2Z82A SMA 2 82 6.1 100 3000 0.25 0.5 62.2 22 1.5 -55～+150 Active
SMA2Z91A SMA 2 91 5.5 125 3000 0.25 0.5 69.2 20 1.5 -55～+150 Active
SMA2Z100A SMA 2 100 5 175 3000 0.25 0.5 76 18 1.5 -55～+150 Active
SMA2Z110A SMA 2 110 4.5 250 4000 0.25 0.5 83.6 17 1.5 -55～+150 Active
SMA2Z120A SMA 2 120 4.2 325 4500 0.25 0.5 91.2 15 1.5 -55～+150 Active
SMA2Z130A SMA 2 130 3.8 400 5000 0.25 0.5 98.8 14 1.5 -55～+150 Active
SMA2Z140A SMA 2 140 3.6 500 5500 0.25 0.5 106.4 13 1.5 -55～+150 Active
SMA2Z150A SMA 2 150 3.3 575 6000 0.25 0.5 114 12 1.5 -55～+150 Active
SMA2Z160A SMA 2 160 3.1 650 6500 0.25 0.5 121.6 11 1.5 -55～+150 Active
SMA2Z170A SMA 2 170 2.9 675 7000 0.25 0.5 130.4 11 1.5 -55～+150 Active
SMA2Z180A SMA 2 180 2.8 725 7000 0.25 0.5 136.8 10 1.5 -55～+150 Active
SMA2Z190A SMA 2 190 2.6 825 8000 0.25 0.5 144.8 10 1.5 -55～+150 Active
SMA2Z200A SMA 2 200 2.5 1900 9990 0.25 0.5 152 9 1.5 -55～+150 Active
SMA2Z220A SMA 2 220 2 2000 8500 0.25 0.5 167 8 1.5 -55～+150 Active

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