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 |
|---|---|---|---|---|---|---|---|---|
| BZX84C51 | LEADSILICON | SOT-23 | 0.3 | 48 | 54 | 2 | 0.1 | |
| BZX84C56 | LEADSILICON | SOT-23 | 0.3 | 52 | 60 | 2 | 0.1 | |
| BZX84C62 | LEADSILICON | SOT-23 | 0.3 | 58 | 66 | 2 | 0.2 | |
| BZX84C68 | LEADSILICON | SOT-23 | 0.3 | 64 | 72 | 2 | 0.2 | |
| BZX84C75 | LEADSILICON | SOT-23 | 0.3 | 70 | 79 | 2 | 0.2 | |
| BZX584C2V0 | LEADSILICON | SOD-523 | 0.15 | 1.85 | 2.15 | 5 | 100 | |
| BZX784C2V0 | LEADSILICON | SOD-723 | 0.15 | 1.85 | 2.15 | 5 | 100 | |
| BZX784C2V4 | LEADSILICON | SOD-723 | 0.15 | 2.2 | 2.6 | 5 | 50 | |
| BZX784C2V7 | LEADSILICON | SOD-723 | 0.15 | 2.5 | 2.9 | 5 | 20 | |
| BZX784C3V0 | LEADSILICON | SOD-723 | 0.15 | 2.8 | 3.2 | 5 | 10 | |
| BZX784C3V3 | LEADSILICON | SOD-723 | 0.15 | 3.1 | 3.5 | 5 | 5 | |
| BZX784C3V6 | LEADSILICON | SOD-723 | 0.15 | 3.4 | 3.8 | 5 | 5 | |
| BZX784C3V9 | LEADSILICON | SOD-723 | 0.15 | 3.7 | 4.1 | 5 | 3 | |
| BZX784C4V3 | LEADSILICON | SOD-723 | 0.15 | 4 | 4.6 | 5 | 3 | |
| BZX784C4V7 | LEADSILICON | SOD-723 | 0.15 | 4.4 | 5 | 5 | 3 | |
| BZX784C5V1 | LEADSILICON | SOD-723 | 0.15 | 4.8 | 5.4 | 5 | 2 | |
| BZX784C5V6 | LEADSILICON | SOD-723 | 0.15 | 5.2 | 6 | 5 | 1 | |
| BZX784C6V2 | LEADSILICON | SOD-723 | 0.15 | 5.8 | 6.6 | 5 | 3 | |
| BZX784C6V8 | LEADSILICON | SOD-723 | 0.15 | 6.4 | 7.2 | 5 | 2 | |
| BZX784C7V5 | LEADSILICON | SOD-723 | 0.15 | 7 | 7.9 | 5 | 1 |