The PTZ**B series offers a range of 1W Zener diodes in compact SMA (DO-214AC) packages, with nominal Zener voltages from 5.6V to 32V. Designed for precision voltage regulation and clamping, they provide low leakage current, consistent breakdown performance (20–40mA test current), and high thermal stability (Tj -55°C to +150°C), ideal for power supplies, signal conditioning, voltage reference, and protection circuits in space-constrained applications.
| Product Name | Package | PD(W) | VZ@IZT(V) | IZT(mA) | ZZT@IZT(Ω) | IR@VR(μA) | IR@VR(V) | Izm(mA) | VF@IF=200mA(V) | Tj（℃） | Status |
| PTZ5.6B | SMA | 1 | 5.95 | 40 | 8 | 20 | 1.5 | 118 | 1.5 | -55～+150 | Active |
| PTZ6.2B | SMA | 1 | 6.6 | 40 | 6 | 20 | 3 | 116 | 1.5 | -55～+150 | Active |
| PTZ6.8B | SMA | 1 | 7.25 | 40 | 6 | 20 | 3.5 | 97 | 1.5 | -55～+150 | Active |
| PTZ7.5B | SMA | 1 | 7.95 | 40 | 4 | 20 | 4 | 88 | 1.5 | -55～+150 | Active |
| PTZ8.2B | SMA | 1 | 8.75 | 40 | 4 | 20 | 5 | 80 | 1.5 | -55～+150 | Active |
| PTZ9.1B | SMA | 1 | 9.65 | 40 | 6 | 20 | 6 | 73 | 1.5 | -55～+150 | Active |
| PTZ10B | SMA | 1 | 10.6 | 40 | 6 | 10 | 7 | 66 | 1.5 | -55～+150 | Active |
| PTZ11B | SMA | 1 | 11.65 | 20 | 8 | 10 | 8 | 60 | 1.5 | -55～+150 | Active |
| PTZ12B | SMA | 1 | 12.75 | 20 | 8 | 10 | 9 | 54.9 | 1.5 | -55～+150 | Active |
| PTZ13B | SMA | 1 | 14.15 | 20 | 10 | 10 | 10 | 49 | 1.5 | -55～+150 | Active |
| PTZ15B | SMA | 1 | 15.6 | 20 | 10 | 10 | 11 | 44.9 | 1.5 | -55～+150 | Active |
| PTZ16B | SMA | 1 | 17.25 | 20 | 12 | 10 | 12 | 40.6 | 1.5 | -55～+150 | Active |
| PTZ18B | SMA | 1 | 19.15 | 20 | 12 | 10 | 13 | 36.6 | 1.5 | -55～+150 | Active |
| PTZ20B | SMA | 1 | 21.2 | 20 | 14 | 10 | 15 | 33 | 1.5 | -55～+150 | Active |
| PTZ22B | SMA | 1 | 23.25 | 10 | 14 | 10 | 17 | 30.1 | 1.5 | -55～+150 | Active |
| PTZ24B | SMA | 1 | 25.8 | 10 | 16 | 10 | 19 | 27.1 | 1.5 | -55～+150 | Active |
| PTZ27B | SMA | 1 | 28.9 | 10 | 16 | 10 | 21 | 24.2 | 1.5 | -55～+150 | Active |
| PTZ30B | SMA | 1 | 32 | 10 | 18 | 10 | 23 | 21.9 | 1.5 | -55～+150 | Active |
| PTZ33B | SMA | 1 | 34.9 | 10 | 18 | 10 | 25 | 20 | 1.5 | -55～+150 | Active |
| PTZ36B | SMA | 1 | 38.1 | 14 | 20 | 10 | 27 | 18.4 | 1.5 | -55～+150 | Active |
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