1N4763AHB0G

Overview

The 1N4763AHB0G is a single Zener diode manufactured by Taiwan Semiconductor Corporation, designed for through-hole mounting in DO-204AL (DO-41) axial packages. It features a nominal Zener voltage of 91 V with a tolerance of ±5% and a maximum power dissipation of 1 W. The device exhibits a maximum dynamic impedance of 250 Ohms and a reverse leakage current of 5 µA at 69.2 V. It operates within a junction temperature range of -55°C to 150°C and holds AEC-Q101 automotive qualification.

Feature Summary

• Glass passivated silicon junction construction
• Automotive grade reliability certification
• Built-in strain relief for mechanical stability

Applications

• Voltage regulation in automotive electronic circuits
• Protection against overvoltage transients
• Reference voltage generation in precision measurement systems

Procurement Notes

Verify the specific HB0G suffix configuration against the manufacturer's latest datasheet to ensure compatibility with required RoHS and REACH standards. Confirm that the DO-204AL package dimensions align with the target PCB footprint. Check for any recent production changes or obsolescence notices directly from Taiwan Semiconductor Corporation before finalizing procurement plans.

Selection Notes

Select this component when a 91 V Zener voltage with tight ±5% tolerance is required for high-reliability applications. The AEC-Q101 qualification makes it suitable for automotive environments where extended temperature ranges and robust packaging are necessary. Ensure the 1 W power rating accommodates the expected operating current without exceeding thermal limits.

Part Context

This part belongs to the 1N4763 series of glass-passivated junction silicon Zener diodes. The series offers a wide selection of voltages ranging from 3.3 V to 100 V. The 1N4763 variant specifically targets the 91 V segment, providing stable regulation characteristics suitable for general-purpose and industrial voltage reference applications.

Replacement Considerations

Publicly confirmed substitute part numbers include 1N4763AG and 1N4763AUR from Microchip Technology.