XCUZ series, Zener diodes to prevent surge-protection for automotive equipment

In the ever-evolving world of automotive technology, reliability is paramount. Ensuring that electronic control units (ECUs) and other critical components operate seamlessly, even in the face of electrical disturbances, is crucial for vehicle safety and performance. Toshiba Electronic Devices & Storage Corporation recognizes this need and has introduced a game-changing solution: the XCUZ Series surge-protection Zener diodes. With high protection and reliability, wide voltage range, XCUZ is an excellent candidate for surge-protection applications in automotive.


  • Meets AEC-Q101 qualified.
  • Comprehensive protection from many different forms of electrical interference such as: Electrostatic Discharge (ESD) events lasting mere nanoseconds and switching surges ranging from microseconds to milliseconds.
  • Follows a general-purpose SOD-323 form factor, measuring 2.5 mm × 1.25 mm.
  • Wide voltage range: 5.6 V to 36 V, covering all needs from sensitive components in low voltage circuits to high voltage power supplies.


  • AEC-Q101 qualified
  • Low dynamic resistance
  • High ESD tolerance (ISO10605 certified)


  • Automotive equipment (IVI, ADAS, BMS, etc.)

Learn more: XCUZ series 

Contact EPI Vietnam Technologies – the authorized distributor of TOSHIBA in Vietnam for technical support and samples.