- ESD, EMI and surge protection ON Semiconductor
- ESD and surge protection Infineon
- ESD, EMI and surge protection Nexperia
- ESD, EMI and surge protection ST
- Surge protection Bourns
- Circuit protection Bourns
- Circuit breakers Carling Technologies
- Circuit protection Eaton
- Protection devices TDK
- Varistors Kemet
- Fuses and varistors KOA Speer
- Circuit protection Littlefuse
- Circuit and thermal protection Panasonic
- Fuses Siba