| ESD protection ONSemi |
| ESD and Surge protection Infineon |
| ESD, EMI and surge protection Nexperia |
| Protection and EMI filters ST |
| Surge protection Bourns |
| Circuit protection Bourns |
| Protection devices TDK |
| Circuit protection Kemet/Yageo |
| Circuit protection Littlefuse |
| Fuses Siba |