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 |
|---|---|---|---|---|---|---|---|---|
| BZT52B20S | LEADSILICON | SOD-323 | 0.2 | 19.6 | 20.4 | 5 | 0.1 | |
| BZT52B22S | LEADSILICON | SOD-323 | 0.2 | 21.56 | 22.44 | 5 | 0.1 | |
| BZT52B24S | LEADSILICON | SOD-323 | 0.2 | 23.52 | 24.48 | 5 | 0.1 | |
| BZT52B27S | LEADSILICON | SOD-323 | 0.2 | 26.46 | 27.54 | 5 | 0.1 | |
| BZT52B30S | LEADSILICON | SOD-323 | 0.2 | 29.4 | 30.6 | 5 | 0.1 | |
| BZT52B33S | LEADSILICON | SOD-323 | 0.2 | 32.34 | 33.66 | 5 | 0.1 | |
| BZT52B36S | LEADSILICON | SOD-323 | 0.2 | 35.28 | 36.72 | 5 | 0.1 | |
| BZT52B39S | LEADSILICON | SOD-323 | 0.2 | 38.22 | 39.78 | 5 | 0.1 | |
| BZT52B43S | LEADSILICON | SOD-323 | 0.2 | 41.16 | 43.84 | 5 | 0.1 | |
| BZT52C2V4 | LEADSILICON | SOD-123 | 0.5 | 2.2 | 2.6 | 5 | 50 | |
| BZT52C2V7 | LEADSILICON | SOD-123 | 0.5 | 2.5 | 2.9 | 5 | 20 | |
| BZT52C3V0 | LEADSILICON | SOD-123 | 0.5 | 2.8 | 3.2 | 5 | 10 | |
| BZT52C4V7 | LEADSILICON | SOD-123 | 0.5 | 4.4 | 5 | 5 | 3 | |
| BZT52C5V1 | LEADSILICON | SOD-123 | 0.5 | 4.8 | 5.4 | 5 | 2 | |
| BZT52C5V6 | LEADSILICON | SOD-123 | 0.5 | 5.2 | 6 | 5 | 1 | |
| BZT52C6V2 | LEADSILICON | SOD-123 | 0.5 | 5.8 | 6.6 | 5 | 3 | |
| BZT52C6V8 | LEADSILICON | SOD-123 | 0.5 | 6.4 | 7.2 | 5 | 2 | |
| BZT52C7V5 | LEADSILICON | SOD-123 | 0.5 | 7 | 7.9 | 5 | 1 | |
| BZT52C8V2 | LEADSILICON | SOD-123 | 0.5 | 7.7 | 8.7 | 5 | 0.7 | |
| BZT52C9V1 | LEADSILICON | SOD-123 | 0.5 | 8.5 | 9.6 | 5 | 0.5 |