稳压二极管也称为 齐纳二极管，是一种利用二极管反向击穿特性进行稳压的电子元件。当反向电压达到或超过其击穿电压（齐纳电压）时，稳压管会进入击穿状态，并维持一个相对稳定的电压输出。这个稳定的电压值被称为稳压值，广泛应用于稳压电源和限幅电路中。
| 型号 | 制造商 | 封装 | PD_Max/W | VZ_Min/V | VZ_Max/V | @ IZT/mA | ZZT_Max/Ω | IR_Max/μA |
|---|---|---|---|---|---|---|---|---|
| SMF5935A | LEADSILICON | SOD-123FL | 1.5 | 25.65 | 28.35 | 13.9 | 0.5 | |
| SMF5936A | LEADSILICON | SOD-123FL | 1.5 | 28.5 | 31.5 | 12.5 | 0.5 | |
| SMF5937A | LEADSILICON | SOD-123FL | 1.5 | 31.35 | 34.65 | 11.4 | 0.5 | |
| SMF5938A | LEADSILICON | SOD-123FL | 1.5 | 34.2 | 37.8 | 10.4 | 0.5 | |
| SMF5939A | LEADSILICON | SOD-123FL | 1.5 | 37.05 | 40.95 | 9.6 | 0.5 | |
| SMF5940A | LEADSILICON | SOD-123FL | 1.5 | 40.85 | 45.15 | 8.7 | 0.5 | |
| SMF5941A | LEADSILICON | SOD-123FL | 1.5 | 44.65 | 49.35 | 8 | 0.5 | |
| SMF5942A | LEADSILICON | SOD-123FL | 1.5 | 48.45 | 53.55 | 7.3 | 0.5 | |
| SMF5943A | LEADSILICON | SOD-123FL | 1.5 | 53.2 | 58.8 | 6.7 | 0.5 | |
| SMF5944A | LEADSILICON | SOD-123FL | 1.5 | 58.9 | 65.1 | 6 | 0.5 | |
| SMF5945A | LEADSILICON | SOD-123FL | 1.5 | 64.6 | 71.4 | 5.5 | 0.5 | |
| SMF5946A | LEADSILICON | SOD-123FL | 1.5 | 71.25 | 78.75 | 5 | 0.5 | |
| SMF5947A | LEADSILICON | SOD-123FL | 1.5 | 77.9 | 86.1 | 4.6 | 0.5 | |
| SMF5948A | LEADSILICON | SOD-123FL | 1.5 | 86.45 | 95.55 | 4.1 | 0.5 | |
| SMF5949A | LEADSILICON | SOD-123FL | 1.5 | 95 | 105 | 3.7 | 0.5 | |
| SMF5950A | LEADSILICON | SOD-123FL | 1.5 | 104.5 | 115.5 | 3.4 | 0.5 | |
| SMF5951A | LEADSILICON | SOD-123FL | 1.5 | 114 | 126 | 3.1 | 0.5 | |
| SMF5952A | LEADSILICON | SOD-123FL | 1.5 | 123.5 | 136.5 | 2.9 | 0.5 | |
| SMF5953A | LEADSILICON | SOD-123FL | 1.5 | 142.5 | 157.5 | 2.5 | 0.5 | |
| SMF5954A | LEADSILICON | SOD-123FL | 1.5 | 152 | 168 | 2.3 | 0.5 |