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 | 品牌 | VRWM/V | VBR_Min./V | VBR_Max./V | VC/V | IPP/A | IR/μA | PPPM/W | Polar | 封装 |
|---|---|---|---|---|---|---|---|---|---|---|
| P4KE20A | JJM | 17.1 | 19 | 21 | 27.7 | 14.8 | 1 | 400 | Uni | DO-41 |
| P4KE20AS | JJM | 17.1 | 19 | 21 | 27.7 | 14.8 | 1 | 400 | Uni | DO-41 |
| P4KE20CA | JJM | 17.1 | 19 | 21 | 27.7 | 14.8 | 1 | 400 | Bi | DO-41 |
| P4KE20CAS | JJM | 17.1 | 19 | 21 | 27.7 | 14.8 | 1 | 400 | Bi | DO-41 |
| P4KE220A | JJM | 185 | 209 | 231 | 328 | 1.3 | 1 | 400 | Uni | DO-41 |
| P4KE22A | JJM | 18.8 | 20.9 | 23.1 | 30.6 | 13.4 | 1 | 400 | Uni | DO-41 |
| P4KE22AS | JJM | 18.8 | 20.9 | 23.1 | 30.6 | 13.4 | 1 | 400 | Uni | DO-41 |
| P4KE22CA | JJM | 18.8 | 20.9 | 23.1 | 30.6 | 13.4 | 1 | 400 | Bi | DO-41 |
| P4KE22CAS | JJM | 18.8 | 20.9 | 23.1 | 30.6 | 13.4 | 1 | 400 | Bi | DO-41 |
| P4KE24A | JJM | 20.5 | 22.8 | 25.2 | 33.2 | 12.3 | 1 | 400 | Uni | DO-41 |
| P4KE24AS | JJM | 20.5 | 22.8 | 25.2 | 33.2 | 12.3 | 1 | 400 | Uni | DO-41 |
| P4KE24CA | JJM | 20.5 | 22.8 | 25.2 | 33.2 | 12.3 | 1 | 400 | Bi | DO-41 |
| P4KE24CAS | JJM | 20.5 | 22.8 | 25.2 | 33.2 | 12.3 | 1 | 400 | Bi | DO-41 |
| P4KE250A | JJM | 214 | 237 | 263 | 344 | 1.2 | 1 | 400 | Uni | DO-41 |
| P4KE27A | JJM | 23.1 | 25.7 | 28.4 | 37.5 | 10.9 | 1 | 400 | Uni | DO-41 |
| P4KE27AS | JJM | 23.1 | 25.7 | 28.4 | 37.5 | 10.9 | 1 | 400 | Uni | DO-41 |
| P4KE27CA | JJM | 23.1 | 25.7 | 28.4 | 37.5 | 10.9 | 1 | 400 | Bi | DO-41 |
| P4KE27CAS | JJM | 23.1 | 25.7 | 28.4 | 37.5 | 10.9 | 1 | 400 | Bi | DO-41 |
| P4KE30A | JJM | 25.6 | 28.5 | 31.5 | 41.4 | 9.9 | 1 | 400 | Uni | DO-41 |
| P4KE30AS | JJM | 25.6 | 28.5 | 31.5 | 41.4 | 9.9 | 1 | 400 | Uni | DO-41 |