1N4759AH

Overview

The 1N4759AH is a Zener diode manufactured by Taiwan Semiconductor Corporation, designed for voltage regulation applications. It features a nominal Zener voltage of 62 V with a tolerance of 5%. The device is rated for a power dissipation of 1 W and operates within an extended temperature range from -65 °C to +200 °C. It utilizes a DO-41 axial leaded package and incorporates AEC-Q101 qualification for automotive reliability standards.

Feature Summary

• AEC-Q101 qualified for automotive electronic environments
• High thermal stability with operation up to 200 °C
• Glass passivated junction construction

Applications

• Automotive voltage regulation circuits
• Industrial power supply protection
• General purpose voltage reference applications

Procurement Notes

Verify the specific suffix 'AH' against the manufacturer's current datasheet to confirm lead finish and RoHS status, as variations exist within the series. Confirm availability through authorized distributors, noting that automotive-grade components may have longer procurement cycles compared to standard commercial equivalents.

Selection Notes

Select this component when high-temperature resilience and automotive reliability are required. The 62 V rating suits mid-range voltage regulation tasks. Ensure the circuit design accommodates the 1 W power dissipation limit and the physical dimensions of the DO-41 package for proper PCB layout and thermal management.

Part Context

This part belongs to the 1N47xxA series of glass passivated silicon Zener diodes. The 'H' suffix typically denotes automotive grade qualification, while 'A' indicates the 5% voltage tolerance band. This series provides a standardized solution for robust voltage clamping in demanding environments.

Replacement Considerations

Cross-reference with other manufacturers' 1N4759A parts, ensuring they meet the AEC-Q101 requirement if automotive use is intended. Verify that substitute components share the same DO-41 footprint and 1 W power rating.