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 |
|---|---|---|---|---|---|---|---|---|
| AZ23C18 | LEADSILICON | 0.3 | 16.8 | 19.1 | 5 | 0.1 | SOT-23 | |
| AZ23C20 | LEADSILICON | 0.3 | 18.8 | 21.2 | 5 | 0.1 | SOT-23 | |
| AZ23C22 | LEADSILICON | 0.3 | 20.8 | 23.3 | 5 | 0.1 | SOT-23 | |
| AZ23C24 | LEADSILICON | 0.3 | 22.8 | 25.6 | 5 | 0.1 | SOT-23 | |
| AZ23C27 | LEADSILICON | 0.3 | 25.1 | 28.9 | 5 | 0.1 | SOT-23 | |
| AZ23C30 | LEADSILICON | 0.3 | 28 | 32 | 5 | 0.1 | SOT-23 | |
| AZ23C33 | LEADSILICON | 0.3 | 31 | 35 | 5 | 0.1 | SOT-23 | |
| AZ23C36 | LEADSILICON | 0.3 | 34 | 38 | 5 | 0.1 | SOT-23 | |
| AZ23C39 | LEADSILICON | 0.3 | 37 | 41 | 5 | 0.1 | SOT-23 | |
| BZT52B2V4 | LEADSILICON | 0.5 | 2.35 | 2.45 | 5 | 50 | SOD-123 | |
| BZT52B2V7 | LEADSILICON | 0.5 | 2.65 | 2.75 | 5 | 20 | SOD-123 | |
| BZT52B3V0 | LEADSILICON | 0.5 | 2.94 | 3.06 | 5 | 10 | SOD-123 | |
| BZT52B3V3 | LEADSILICON | 0.5 | 3.23 | 3.37 | 5 | 5 | SOD-123 | |
| BZT52B3V6 | LEADSILICON | 0.5 | 3.53 | 3.67 | 5 | 5 | SOD-123 | |
| BZT52B3V9 | LEADSILICON | 0.5 | 3.82 | 3.98 | 5 | 3 | SOD-123 | |
| BZT52B4V3 | LEADSILICON | 0.5 | 4.21 | 4.39 | 5 | 3 | SOD-123 | |
| BZT52B4V7 | LEADSILICON | 0.5 | 4.61 | 4.79 | 5 | 3 | SOD-123 | |
| BZT52B47 | LEADSILICON | 0.5 | 46.06 | 47.94 | 2 | 0.1 | SOD-123 | |
| BZT52B51 | LEADSILICON | 0.5 | 49.98 | 52.02 | 2 | 0.1 | SOD-123 | |
| BZT52B2V4S | LEADSILICON | 0.2 | 2.35 | 2.45 | 5 | 50 | SOD-323 |