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Zener Diode

Automotive-Grade Zener Diodes

High-Reliability Voltage Regulation Solutions for Automotive Systems

ANBON’s automotive-grade Zener diodes are engineered to provide reliable voltage regulation and circuit protection in the demanding electrical environments of modern vehicles. As a cost-effective and space-efficient solution, these diodes help stabilize power supply lines and manage transient pulses and DC overvoltage conditions.

Designed to meet stringent automotive quality and reliability requirements, including AEC-Q101 qualification and IATF 16949 quality management standards, ANBON’s Zener diode series supports reliable performance in critical electronic control units (ECUs), helping improve system safety and long-term equipment reliability.

Voltage Range: 2.4 V to 330 V, with reliable thermal performance for harsh under-hood automotive environments.

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Key Features:

  • AEC-Q101 Qualified: Designed and tested to support high reliability and long-term stability under demanding automotive temperature and vibration conditions.
  • Broad Voltage Range: Available in a wide selection of Zener voltages from 2.4 V to 330 V to meet diverse voltage regulation requirements.
  • Tight Tolerances: High-precision voltage regulation with 5% and 2% tolerance options for sensitive circuit designs.
  • Reliable Thermal Performance: Optimized for heat dissipation and power handling in compact footprints.
  • Automotive-Grade Packaging: Available in industry-standard surface-mount packages, such as SOT-23 and SOD-123F, designed for high-density automated assembly.

Key Applications:

  • Power Management Systems: Providing stable reference voltages for battery management systems and DC-DC converters.
  • Safety & Security: Voltage regulation for airbag deployment systems and ABS (anti-lock braking systems).
  • Body Electronics: Voltage stabilization for dashboard clusters, vehicle lighting, and power seat modules.
  • Infotainment & Connectivity: Helping protect high-speed signal lines and USB PD charging ports from supply noise.
  • Powertrain Control: Supporting reliable performance in transmission control and engine management ECUs.
EV Dashboard HVAC EV & HEV ABS OBC BMS BCM ADAS E-Seat Motor Control EPB EPS E-Gate