Next-Generation ESD Protection Diodes Toshiba Next-Generation ESD Protection Diodes are used for power supply circuits in mobile devices such as smartphones and wearable devices. A choice of operating voltages (3.6V, 5.5V, 12.6V) and packages (SOD962, SL2, SOD963, CST2C, SOT553, USC, and DFN10) provides flexible options for realizing ESD protection against static electricity and noise in various designs.