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 |
|---|---|---|---|---|---|---|---|---|
| BZT52C2V7 | LEADSILICON | 0.5 | 2.5 | 2.9 | 5 | 20 | SOD-123 | |
| BZT52C3V0 | LEADSILICON | 0.5 | 2.8 | 3.2 | 5 | 10 | SOD-123 | |
| BZT52C4V7 | LEADSILICON | 0.5 | 4.4 | 5 | 5 | 3 | SOD-123 | |
| BZT52C5V1 | LEADSILICON | 0.5 | 4.8 | 5.4 | 5 | 2 | SOD-123 | |
| BZT52C5V6 | LEADSILICON | 0.5 | 5.2 | 6 | 5 | 1 | SOD-123 | |
| BZT52C6V2 | LEADSILICON | 0.5 | 5.8 | 6.6 | 5 | 3 | SOD-123 | |
| BZT52C6V8 | LEADSILICON | 0.5 | 6.4 | 7.2 | 5 | 2 | SOD-123 | |
| BZT52C7V5 | LEADSILICON | 0.5 | 7 | 7.9 | 5 | 1 | SOD-123 | |
| BZT52C8V2 | LEADSILICON | 0.5 | 7.7 | 8.7 | 5 | 0.7 | SOD-123 | |
| BZT52C9V1 | LEADSILICON | 0.5 | 8.5 | 9.6 | 5 | 0.5 | SOD-123 | |
| BZT52C10 | LEADSILICON | 0.5 | 9.4 | 10.6 | 5 | 0.2 | SOD-123 | |
| BZT52C11 | LEADSILICON | 0.5 | 10.4 | 11.6 | 5 | 0.1 | SOD-123 | |
| BZT52C12 | LEADSILICON | 0.5 | 11.4 | 12.7 | 5 | 0.1 | SOD-123 | |
| BZT52C13 | LEADSILICON | 0.5 | 12.35 | 13.65 | 5 | 0.1 | SOD-123 | |
| BZT52C15 | LEADSILICON | 0.5 | 14.25 | 15.75 | 5 | 0.1 | SOD-123 | |
| BZT52C16 | LEADSILICON | 0.5 | 15.2 | 16.8 | 5 | 0.1 | SOD-123 | |
| BZT52C18 | LEADSILICON | 0.5 | 17.1 | 18.9 | 5 | 0.1 | SOD-123 | |
| BZT52C20 | LEADSILICON | 0.5 | 19 | 21 | 5 | 0.1 | SOD-123 | |
| BZT52C22 | LEADSILICON | 0.5 | 20.9 | 23.1 | 5 | 0.1 | SOD-123 | |
| BZT52C24 | LEADSILICON | 0.5 | 22.8 | 25.2 | 5 | 0.1 | SOD-123 |