TVS diodes (ESD protection diodes) protect sensitive devices from damage or malfunction due to ESD and other surge voltage spikes introduced from I/O ports. Fabricated with a unique process technology, Toshiba's TVS diodes provide high ESD tolerance. Toshiba offers a wide range of TVS diodes suitable for various applications ranging from standard types to those suitable for the protection of high-speed signal lines. Toshiba also provides various packaging options ideal for high-density board assembly.

In order to protect signal power supply lines from ESD and surge voltage, TVS diodes are utilized in various electronic devices, including mobile devices such as smartphones and tablets; communication equipment such as wireless LAN and NFC devices; and automotive electronics incorporating CAN and LIN buses.