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 |
|---|---|---|---|---|---|---|---|---|
| MMSZ5236CS | LEADSILICON | SOD-323 | 0.2 | 7.35 | 7.65 | 20 | 3 | |
| MMSZ5237CS | LEADSILICON | SOD-323 | 0.2 | 8.04 | 8.36 | 20 | 3 | |
| MMSZ5238CS | LEADSILICON | SOD-323 | 0.2 | 8.53 | 8.87 | 20 | 3 | |
| MMSZ5239CS | LEADSILICON | SOD-323 | 0.2 | 8.92 | 9.28 | 20 | 3 | |
| MMSZ5240CS | LEADSILICON | SOD-323 | 0.2 | 9.8 | 10.2 | 20 | 3 | |
| MMSZ5241CS | LEADSILICON | SOD-323 | 0.2 | 10.78 | 11.22 | 20 | 2 | |
| MMSZ5242CS | LEADSILICON | SOD-323 | 0.2 | 11.76 | 12.24 | 20 | 1 | |
| MMSZ5243CS | LEADSILICON | SOD-323 | 0.2 | 12.74 | 13.26 | 9.5 | 0.5 | |
| MMSZ5244CS | LEADSILICON | SOD-323 | 0.2 | 13.72 | 14.28 | 9 | 0.1 | |
| MMSZ5245CS | LEADSILICON | SOD-323 | 0.2 | 14.7 | 15.3 | 8.5 | 0.1 | |
| MMSZ5246CS | LEADSILICON | SOD-323 | 0.2 | 15.68 | 16.32 | 7.8 | 0.1 | |
| MMSZ5248CS | LEADSILICON | SOD-323 | 0.2 | 17.64 | 18.36 | 7 | 14 | |
| MMSZ5250CS | LEADSILICON | SOD-323 | 0.2 | 19.6 | 20.4 | 6.2 | 0.1 | |
| MMBZ5225B | LEADSILICON | SOT-23 | 0.3 | 2.85 | 3.15 | 20 | 50 | |
| MMBZ5226B | LEADSILICON | SOT-23 | 0.3 | 3.14 | 3.47 | 20 | 25 | |
| MMBZ5227B | LEADSILICON | SOT-23 | 0.3 | 3.42 | 3.78 | 20 | 15 | |
| MMBZ5228B | LEADSILICON | SOT-23 | 0.3 | 3.71 | 4.1 | 20 | 10 | |
| MMBZ5229B | LEADSILICON | SOT-23 | 0.3 | 4.09 | 4.52 | 20 | 5 | |
| MMBZ5230B | LEADSILICON | SOT-23 | 0.3 | 4.47 | 4.94 | 20 | 5 | |
| MMBZ5231B | LEADSILICON | SOT-23 | 0.3 | 4.85 | 5.36 | 20 | 5 |