High Power Stability Zener Diodes, Voltage Range 6.8V to 200V, Ideal for Overvoltage Protection and Voltage Regulation
The SMB5Z**A Series are high-power 5W Zener diodes in SMB package, offering a wide breakdown voltage range from 6.8V to 200V and excellent thermal stability with a maximum junction temperature of +150°C. Designed for high-reliability circuits, these components feature outstanding voltage regulation, minimal reverse leakage, and low dynamic impedance.
| 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 |
| SMB5Z6.8A | SMB | 5 | 6.8 | 175 | 1 | 200 | 1 | 10 | 5.2 | 700 | 1.5 | -55～+150 | Active |
| SMB5Z7.5A | SMB | 5 | 7.5 | 175 | 1.5 | 200 | 1 | 10 | 5.7 | 630 | 1.5 | -55～+150 | Active |
| SMB5Z8.2A | SMB | 5 | 8.2 | 150 | 1.5 | 200 | 1 | 10 | 6.2 | 580 | 1.5 | -55～+150 | Active |
| SMB5Z8.7A | SMB | 5 | 8.7 | 150 | 2 | 200 | 1 | 10 | 6.6 | 545 | 1.5 | -55～+150 | Active |
| SMB5Z9.1A | SMB | 5 | 9.1 | 150 | 2 | 150 | 1 | 7.5 | 6.9 | 520 | 1.5 | -55～+150 | Active |
| SMB5Z10A | SMB | 5 | 10 | 125 | 2 | 125 | 1 | 5 | 7.6 | 475 | 1.5 | -55～+150 | Active |
| SMB5Z11A | SMB | 5 | 11 | 125 | 2.5 | 125 | 1 | 5 | 8.4 | 430 | 1.5 | -55～+150 | Active |
| SMB5Z12A | SMB | 5 | 12 | 100 | 2.5 | 125 | 1 | 2 | 9.1 | 395 | 1.5 | -55～+150 | Active |
| SMB5Z13A | SMB | 5 | 13 | 100 | 2.5 | 100 | 1 | 1 | 9.9 | 365 | 1.5 | -55～+150 | Active |
| SMB5Z14A | SMB | 5 | 14 | 100 | 2.5 | 75 | 1 | 1 | 10.6 | 340 | 1.5 | -55～+150 | Active |
| SMB5Z15A | SMB | 5 | 15 | 75 | 2.5 | 75 | 1 | 1 | 11.5 | 315 | 1.5 | -55～+150 | Active |
| SMB5Z16A | SMB | 5 | 16 | 75 | 2.5 | 75 | 1 | 1 | 12.2 | 295 | 1.5 | -55～+150 | Active |
| SMB5Z17A | SMB | 5 | 17 | 70 | 2.5 | 75 | 1 | 0.5 | 12.9 | 280 | 1.5 | -55～+150 | Active |
| SMB5Z18A | SMB | 5 | 18 | 65 | 2.5 | 75 | 1 | 0.5 | 13.7 | 264 | 1.5 | -55～+150 | Active |
| SMB5Z19A | SMB | 5 | 19 | 65 | 3 | 75 | 1 | 0.5 | 14.4 | 250 | 1.5 | -55～+150 | Active |
| SMB5Z20A | SMB | 5 | 20 | 65 | 3 | 75 | 1 | 0.5 | 15.2 | 237 | 1.5 | -55～+150 | Active |
| SMB5Z22A | SMB | 5 | 22 | 50 | 3.5 | 75 | 1 | 0.5 | 16.7 | 216 | 1.5 | -55～+150 | Active |
| SMB5Z24A | SMB | 5 | 24 | 50 | 3.5 | 100 | 1 | 0.5 | 18.2 | 198 | 1.5 | -55～+150 | Active |
| SMB5Z25A | SMB | 5 | 25 | 50 | 4 | 110 | 1 | 0.5 | 19 | 190 | 1.5 | -55～+150 | Active |
| SMB5Z27A | SMB | 5 | 27 | 50 | 5 | 120 | 1 | 0.5 | 20.6 | 176 | 1.5 | -55～+150 | Active |
| SMB5Z28A | SMB | 5 | 28 | 50 | 6 | 130 | 1 | 0.5 | 21.2 | 170 | 1.5 | -55～+150 | Active |
| SMB5Z30A | SMB | 5 | 30 | 40 | 8 | 140 | 1 | 0.5 | 22.8 | 158 | 1.5 | -55～+150 | Active |
| SMB5Z33A | SMB | 5 | 33 | 40 | 10 | 150 | 1 | 0.5 | 25.1 | 144 | 1.5 | -55～+150 | Active |
| SMB5Z36A | SMB | 5 | 36 | 30 | 11 | 160 | 1 | 0.5 | 27.4 | 132 | 1.5 | -55～+150 | Active |
| SMB5Z39A | SMB | 5 | 39 | 30 | 14 | 170 | 1 | 0.5 | 29.7 | 122 | 1.5 | -55～+150 | Active |
| SMB5Z43A | SMB | 5 | 43 | 30 | 20 | 190 | 1 | 0.5 | 32.7 | 110 | 1.5 | -55～+150 | Active |
| SMB5Z47A | SMB | 5 | 47 | 25 | 25 | 210 | 1 | 0.5 | 35.8 | 100 | 1.5 | -55～+150 | Active |
| SMB5Z51A | SMB | 5 | 51 | 25 | 27 | 230 | 1 | 0.5 | 38.8 | 93 | 1.5 | -55～+150 | Active |
| SMB5Z56A | SMB | 5 | 56 | 20 | 35 | 280 | 1 | 0.5 | 42.6 | 86 | 1.5 | -55～+150 | Active |
| SMB5Z60A | SMB | 5 | 60 | 20 | 40 | 350 | 1 | 0.5 | 45.5 | 79 | 1.5 | -55～+150 | Active |
| SMB5Z62A | SMB | 5 | 62 | 20 | 42 | 400 | 1 | 0.5 | 47.1 | 76 | 1.5 | -55～+150 | Active |
| SMB5Z68A | SMB | 5 | 68 | 20 | 44 | 500 | 1 | 0.5 | 51.7 | 70 | 1.5 | -55～+150 | Active |
| SMB5Z75A | SMB | 5 | 75 | 20 | 45 | 620 | 1 | 0.5 | 56 | 63 | 1.5 | -55～+150 | Active |
| SMB5Z82A | SMB | 5 | 82 | 15 | 65 | 720 | 1 | 0.5 | 62.2 | 58 | 1.5 | -55～+150 | Active |
| SMB5Z87A | SMB | 5 | 87 | 15 | 75 | 760 | 1 | 0.5 | 66 | 54.5 | 1.5 | -55～+150 | Active |
| SMB5Z91A | SMB | 5 | 91 | 15 | 75 | 760 | 1 | 0.5 | 69.2 | 52.5 | 1.5 | -55～+150 | Active |
| SMB5Z100A | SMB | 5 | 100 | 12 | 90 | 800 | 1 | 0.5 | 76 | 47.5 | 1.5 | -55～+150 | Active |
| SMB5Z110A | SMB | 5 | 110 | 12 | 125 | 1000 | 1 | 0.5 | 83.6 | 43 | 1.5 | -55～+150 | Active |
| SMB5Z120A | SMB | 5 | 120 | 10 | 170 | 1150 | 1 | 0.5 | 91.2 | 39.5 | 1.5 | -55～+150 | Active |
| SMB5Z130A | SMB | 5 | 130 | 10 | 190 | 1250 | 1 | 0.5 | 98.8 | 36.6 | 1.5 | -55～+150 | Active |
| SMB5Z140A | SMB | 5 | 140 | 8 | 230 | 1500 | 1 | 0.5 | 106 | 34 | 1.5 | -55～+150 | Active |
| SMB5Z150A | SMB | 5 | 150 | 8 | 330 | 1500 | 1 | 0.5 | 114 | 31.6 | 1.5 | -55～+150 | Active |
| SMB5Z160A | SMB | 5 | 160 | 8 | 350 | 1650 | 1 | 0.5 | 122 | 29.4 | 1.5 | -55～+150 | Active |
| SMB5Z170A | SMB | 5 | 170 | 8 | 380 | 1750 | 1 | 0.5 | 129 | 28 | 1.5 | -55～+150 | Active |
| SMB5Z180A | SMB | 5 | 180 | 5 | 430 | 1750 | 1 | 0.5 | 137 | 26.4 | 1.5 | -55～+150 | Active |
| SMB5Z190A | SMB | 5 | 190 | 5 | 450 | 1850 | 1 | 0.5 | 144 | 25 | 1.5 | -55～+150 | Active |
| SMB5Z200A | SMB | 5 | 200 | 5 | 480 | 1850 | 1 | 0.5 | 152 | 23.6 | 1.5 | -55～+150 | Active |
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