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ACZRA4749-HF is listed in the Single Zener Diodes range at ChipApex. The manufacturer field lists Comchip Technology. Its product description is DIODE ZENER 24V 1W DO214AC. Review the specifications below when checking this part for your BOM.
The ACZRA4749-HF is a single Zener diode manufactured by Comchip Technology, designed for surface-mount applications in the DO-214AC (SMA) package. It features a nominal Zener voltage of 24 V with a 5% tolerance and a maximum power dissipation of 1 W. The device meets AEC-Q101 automotive qualification standards, ensuring reliability under harsh conditions. It operates within a junction temperature range of -55°C to +150°C, with a maximum reverse leakage current of 5 µA and a Zener impedance of 25 Ohms at a test current of 10.5 mA.
Verify the specific ordering suffix against official manufacturer documentation to confirm exact electrical tolerances and packaging configurations. Ensure that the selected variant aligns with required automotive qualification standards and package dimensions before finalizing procurement decisions.
Select this component when an automotive-qualified Zener diode with 1 W power handling is required in a standard SMA footprint. Consider the 24 V nominal voltage and 5% tolerance limits to ensure compatibility with target circuit voltage references and protection thresholds.
This part belongs to Comchip Technology's ACZRA series of automotive-grade Zener diodes. These components are engineered for high-reliability environments, offering robust performance in compact surface-mount packages suitable for modern PCB density requirements.
Publicly confirmed substitute part numbers for this specific component were not identified in available documentation.
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