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 | 品牌 | PD_Max/W | VZ_Min/V | VZ_Max/V | @ IZT/mA | ZZT_Max/Ω | IR_Max/μA | 封装 |
|---|---|---|---|---|---|---|---|---|
| SMF5925A | LEADSILICON | 1.5 | 8.5 | 10.5 | 37.5 | 2.5 | SOD-123FL | |
| SMF5926A | LEADSILICON | 1.5 | 10.45 | 11.55 | 34.1 | 0.5 | SOD-123FL | |
| SMF5927A | LEADSILICON | 1.5 | 11.4 | 12.6 | 31.2 | 0.5 | SOD-123FL | |
| SMF5928A | LEADSILICON | 1.5 | 12.35 | 13.65 | 28.8 | 0.5 | SOD-123FL | |
| SMF5929A | LEADSILICON | 1.5 | 14.25 | 15.75 | 25 | 0.5 | SOD-123FL | |
| SMF5930A | LEADSILICON | 1.5 | 15.2 | 16.8 | 23.4 | 0.5 | SOD-123FL | |
| SMF5931A | LEADSILICON | 1.5 | 17.1 | 18.9 | 20.8 | 0.5 | SOD-123FL | |
| SMF5932A | LEADSILICON | 1.5 | 19 | 21 | 18.7 | 0.5 | SOD-123FL | |
| SMF5933A | LEADSILICON | 1.5 | 20.9 | 23.1 | 17 | 0.5 | SOD-123FL | |
| SMF5934A | LEADSILICON | 1.5 | 22.8 | 25.2 | 15.6 | 0.5 | SOD-123FL | |
| SMF5935A | LEADSILICON | 1.5 | 25.65 | 28.35 | 13.9 | 0.5 | SOD-123FL | |
| SMF5936A | LEADSILICON | 1.5 | 28.5 | 31.5 | 12.5 | 0.5 | SOD-123FL | |
| SMF5937A | LEADSILICON | 1.5 | 31.35 | 34.65 | 11.4 | 0.5 | SOD-123FL | |
| SMF5938A | LEADSILICON | 1.5 | 34.2 | 37.8 | 10.4 | 0.5 | SOD-123FL | |
| SMF5939A | LEADSILICON | 1.5 | 37.05 | 40.95 | 9.6 | 0.5 | SOD-123FL | |
| SMF5940A | LEADSILICON | 1.5 | 40.85 | 45.15 | 8.7 | 0.5 | SOD-123FL | |
| SMF5941A | LEADSILICON | 1.5 | 44.65 | 49.35 | 8 | 0.5 | SOD-123FL | |
| SMF5942A | LEADSILICON | 1.5 | 48.45 | 53.55 | 7.3 | 0.5 | SOD-123FL | |
| SMF5943A | LEADSILICON | 1.5 | 53.2 | 58.8 | 6.7 | 0.5 | SOD-123FL | |
| SMF5944A | LEADSILICON | 1.5 | 58.9 | 65.1 | 6 | 0.5 | SOD-123FL |