2W Zener Diodes SMB Package | SMB2Z Series (3.3V220V) Voltage Regulators

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SMB2Z**A Series

2W High Stability Zener Diodes in SMB Package (3.3V to 220V)

The SMB2Z**A series Zener diodes are housed in a compact SMB package with a 2W power dissipation rating and a wide Zener voltage range from 3.3V to 220V. Designed for precision voltage regulation, low dynamic impedance, and fast response, these diodes are ideal for power supply stabilization, surge suppression, and voltage clamping. With an extended operating temperature range from -55°C to +150°C, they deliver reliable performance in demanding industrial and telecom applications.

  • Voltage regulation and stabilization
  • Power adapter and charger protection
  • Overvoltage protection for industrial control circuits
  • Surge absorption in telecom equipment
  • ESD suppression in consumer electronics
  • Constant voltage circuits for LED lighting
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
SMB2Z3.3A SMB 2 3.3 145 8 400 1 100 1 548 1.5 -55～+150 Active
SMB2Z3.6A SMB 2 3.6 139 5 400 1 100 1 502 1.5 -55～+150 Active
SMB2Z3.9A SMB 2 3.9 128 5 400 1 50 1 464 1.5 -55～+150 Active
SMB2Z4.3A SMB 2 4.3 116 4.5 400 1 50 1 421 1.5 -55～+150 Active
SMB2Z4.7A SMB 2 4.7 106 4.5 550 1 10 1 385 1.5 -55～+150 Active
SMB2Z5.1A SMB 2 5.1 98 3.5 600 1 10 1 354 1.5 -55～+150 Active
SMB2Z5.6A SMB 2 5.6 89.5 2.5 500 1 10 2 323 1.5 -55～+150 Active
SMB2Z6.2A SMB 2 6.2 80.5 1.5 700 1 10 3 292 1.5 -55～+150 Active
SMB2Z6.8A SMB 2 6.8 73.5 2 700 1 10 4 266 1.5 -55～+150 Active
SMB2Z7.5A SMB 2 7.5 66.5 2 700 0.5 10 5 242 1.5 -55～+150 Active
SMB2Z8.2A SMB 2 8.2 61 2.3 700 0.5 10 6 220 1.5 -55～+150 Active
SMB2Z9.1A SMB 2 9.1 55 2.5 700 0.5 10 7 200 1.5 -55～+150 Active
SMB2Z10A SMB 2 10 50 3.5 700 0.25 10 7.6 182 1.5 -55～+150 Active
SMB2Z11A SMB 2 11 45.5 4 700 0.25 0.5 8.4 166 1.5 -55～+150 Active
SMB2Z12A SMB 2 12 41.5 4.5 700 0.25 0.5 9.1 152 1.5 -55～+150 Active
SMB2Z13A SMB 2 13 38.5 5 700 0.25 0.5 9.9 138 1.5 -55～+150 Active
SMB2Z14A SMB 2 14 35.7 5.5 700 0.25 0.5 10.6 130 1.5 -55～+150 Active
SMB2Z15A SMB 2 15 33.4 7 700 0.25 0.5 11.4 122 1.5 -55～+150 Active
SMB2Z16A SMB 2 16 31.2 8 700 0.25 0.5 12.2 114 1.5 -55～+150 Active
SMB2Z17A SMB 2 17 29.4 9 750 0.25 0.5 13 107 1.5 -55～+150 Active
SMB2Z18A SMB 2 18 27.8 10 750 0.25 0.5 13.7 100 1.5 -55～+150 Active
SMB2Z19A SMB 2 19 26.3 11 750 0.25 0.5 14.4 95 1.5 -55～+150 Active
SMB2Z20A SMB 2 20 25 11 750 0.25 0.5 15.2 90 1.5 -55～+150 Active
SMB2Z22A SMB 2 22 22.8 12 750 0.25 0.5 16.7 82 1.5 -55～+150 Active
SMB2Z24A SMB 2 24 20.8 13 750 0.25 0.5 18.2 76 1.5 -55～+150 Active
SMB2Z27A SMB 2 27 18.5 18 750 0.25 0.5 20.6 68 1.5 -55～+150 Active
SMB2Z30A SMB 2 30 16.6 20 1000 0.25 0.5 22.5 60 1.5 -55～+150 Active
SMB2Z33A SMB 2 33 15.1 23 1000 0.25 0.5 25.1 55 1.5 -55～+150 Active
SMB2Z36A SMB 2 36 13.9 25 1000 0.25 0.5 27.4 50 1.5 -55～+150 Active
SMB2Z39A SMB 2 39 12.8 30 1000 0.25 0.5 29.7 47 1.5 -55～+150 Active
SMB2Z43A SMB 2 43 11.6 35 1500 0.25 0.5 32.7 43 1.5 -55～+150 Active
SMB2Z47A SMB 2 47 10.6 40 1500 0.25 0.5 35.8 39 1.5 -55～+150 Active
SMB2Z51A SMB 2 51 9.8 48 1500 0.25 0.5 38.8 36 1.5 -55～+150 Active
SMB2Z56A SMB 2 56 9 55 2000 0.25 0.5 42.6 32 1.5 -55～+150 Active
SMB2Z62A SMB 2 62 8.1 60 2000 0.25 0.5 47.1 29 1.5 -55～+150 Active
SMB2Z68A SMB 2 68 7.4 75 2000 0.25 0.5 51.7 27 1.5 -55～+150 Active
SMB2Z75A SMB 2 75 6.7 90 2000 0.25 0.5 56 24 1.5 -55～+150 Active
SMB2Z82A SMB 2 82 6.1 100 3000 0.25 0.5 62.2 22 1.5 -55～+150 Active
SMB2Z91A SMB 2 91 5.5 125 3000 0.25 0.5 69.2 20 1.5 -55～+150 Active
SMB2Z100A SMB 2 100 5 175 3000 0.25 0.5 76 18 1.5 -55～+150 Active
SMB2Z110A SMB 2 110 4.5 250 4000 0.25 0.5 83.6 17 1.5 -55～+150 Active
SMB2Z120A SMB 2 120 4.2 325 4500 0.25 0.5 91.2 15 1.5 -55～+150 Active
SMB2Z130A SMB 2 130 3.8 400 5000 0.25 0.5 98.8 14 1.5 -55～+150 Active
SMB2Z140A SMB 2 140 3.6 500 5500 0.25 0.5 106.4 13 1.5 -55～+150 Active
SMB2Z150A SMB 2 150 3.3 575 6000 0.25 0.5 114 12 1.5 -55～+150 Active
SMB2Z160A SMB 2 160 3.1 650 6500 0.25 0.5 121.6 11 1.5 -55～+150 Active
SMB2Z170A SMB 2 170 2.9 675 7000 0.25 0.5 130.4 11 1.5 -55～+150 Active
SMB2Z180A SMB 2 180 2.8 725 7000 0.25 0.5 136.8 10 1.5 -55～+150 Active
SMB2Z190A SMB 2 190 2.6 825 8000 0.25 0.5 144.8 10 1.5 -55～+150 Active
SMB2Z200A SMB 2 200 2.5 1900 9990 0.25 0.5 152 9 1.5 -55～+150 Active
SMB2Z220A SMB 2 220 2 2000 8500 0.25 0.5 167 8 1.5 -55～+150 Active

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