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 |
|---|---|---|---|---|---|---|---|---|
| SMF1130A | LEADSILICON | 1 | 1.9 | 0.1 | SOD-123FL | |||
| SMF1150A | LEADSILICON | 1 | 1.7 | 0.1 | SOD-123FL | |||
| SMF1160A | LEADSILICON | 1 | 1.6 | 0.1 | SOD-123FL | |||
| SMF1180A | LEADSILICON | 1 | 1.4 | 0.1 | SOD-123FL | |||
| SMF1200A | LEADSILICON | 1 | 1.2 | 0.1 | SOD-123FL | |||
| SMF1220A | LEADSILICON | 1 | 1 | 0.1 | SOD-123FL | |||
| SMF1240A | LEADSILICON | 1 | 0.9 | 0.1 | SOD-123FL | |||
| SMF1250A | LEADSILICON | 1 | 0.9 | 0.1 | SOD-123FL | |||
| SMF1270A | LEADSILICON | 1 | 0.8 | 0.1 | SOD-123FL | |||
| SMF1300A | LEADSILICON | 1 | 0.8 | 0.1 | SOD-123FL | |||
| SMF1330A | LEADSILICON | 1 | 0.7 | 0.1 | SOD-123FL | |||
| SMF4728A | LEADSILICON | 1 | 76 | 100 | SOD-123FL | |||
| SMF4729A | LEADSILICON | 1 | 69 | 100 | SOD-123FL | |||
| SMF4730A | LEADSILICON | 1 | 64 | 50 | SOD-123FL | |||
| SMF4731A | LEADSILICON | 1 | 58 | 10 | SOD-123FL | |||
| SMF4732A | LEADSILICON | 1 | 53 | 10 | SOD-123FL | |||
| SMF4733A | LEADSILICON | 1 | 49 | 10 | SOD-123FL | |||
| SMF4734A | LEADSILICON | 1 | 45 | 10 | SOD-123FL | |||
| SMF4735A | LEADSILICON | 1 | 41 | 10 | SOD-123FL | |||
| SMF4736A | LEADSILICON | 1 | 37 | 5 | SOD-123FL |