TVS二极管(Transient Voltage Suppression Diode，简称TVS）)也称为瞬态电压抑制二极管，是一种保护用的电子零件，可以保护电器设备不受导线引入的电压尖峰破坏。
| 型号 | 制造商 | 封装 | VRWM/V | VBR_Min./V | VBR_Max./V | VC/V | IPP/A | IR/μA | PPPM/W | Polar |
|---|---|---|---|---|---|---|---|---|---|---|
| SMCJ400A | LEADSILICON | SMC | 400 | 447 | 494 | 648 | 2.3 | 1 | Uni | |
| SMCJ440A | LEADSILICON | SMC | 440 | 492 | 543 | 713 | 2.1 | 1 | Uni | |
| SMCJ5.0CA | LEADSILICON | SMC | 5 | 6.4 | 7 | 9.2 | 163 | 800 | Bi | |
| SMCJ6.0CA | LEADSILICON | SMC | 6 | 6.67 | 7.37 | 10.3 | 145.7 | 800 | Bi | |
| SMCJ6.5CA | LEADSILICON | SMC | 6.5 | 7.22 | 7.98 | 11.2 | 134 | 500 | Bi | |
| SMCJ7.0CA | LEADSILICON | SMC | 7 | 7.78 | 8.6 | 12 | 125 | 200 | Bi | |
| SMCJ7.5CA | LEADSILICON | SMC | 7.5 | 8.33 | 9.21 | 12.9 | 116.3 | 100 | Bi | |
| SMCJ8.0CA | LEADSILICON | SMC | 8 | 8.89 | 9.83 | 13.6 | 110.3 | 50 | Bi | |
| SMCJ8.5CA | LEADSILICON | SMC | 8.5 | 9.44 | 10.4 | 14.4 | 104.2 | 20 | Bi | |
| SMCJ9.0CA | LEADSILICON | SMC | 9 | 10 | 11.1 | 15.4 | 97.4 | 10 | Bi | |
| SMCJ10CA | LEADSILICON | SMC | 10 | 11.1 | 12.3 | 17 | 88.3 | 5 | Bi | |
| SMCJ11CA | LEADSILICON | SMC | 11 | 12.2 | 13.5 | 18.2 | 82.5 | 1 | Bi | |
| SMCJ12CA | LEADSILICON | SMC | 12 | 13.3 | 14.7 | 19.9 | 75.4 | 1 | Bi | |
| SMCJ13CA | LEADSILICON | SMC | 13 | 14.4 | 15.9 | 21.5 | 69.8 | 1 | Bi | |
| SMCJ14CA | LEADSILICON | SMC | 14 | 15.6 | 17.2 | 23.2 | 64.7 | 1 | Bi | |
| SMCJ15CA | LEADSILICON | SMC | 15 | 16.7 | 18.5 | 24.4 | 61.5 | 1 | Bi | |
| SMCJ16CA | LEADSILICON | SMC | 16 | 17.8 | 19.7 | 26 | 57.7 | 1 | Bi | |
| SMCJ17CA | LEADSILICON | SMC | 17 | 18.9 | 20.9 | 27.6 | 54.4 | 1 | Bi | |
| SMCJ18CA | LEADSILICON | SMC | 18 | 20 | 22.1 | 29.2 | 51.4 | 1 | Bi | |
| SMCJ20CA | LEADSILICON | SMC | 20 | 22.2 | 24.5 | 32.4 | 46.3 | 1 | Bi |