1N4741AH

Overview

The 1N4741AH is a silicon Zener diode manufactured by Taiwan Semiconductor, designed for voltage regulation applications. It features a nominal Zener voltage of 11V with a tolerance of ±5%. The device supports a maximum power dissipation of 1W (1000mW) and operates within a temperature range extending up to 175°C. Packaged in the DO-204AL (DO-41) axial leaded format, it meets AEC-Q101 automotive qualification standards, ensuring reliability in demanding environments.

Feature Summary

• AEC-Q101 qualified for automotive electronics reliability
• High peak reverse power dissipation capability
• Low leakage current characteristics
• Glass passivated junction construction

Applications

• Automotive voltage regulation circuits
• General purpose voltage reference applications
• Power supply protection stages

Procurement Notes

Verify the specific suffix AH against the manufacturer datasheet to confirm package type and reel specifications. Ensure the procurement channel provides official documentation confirming AEC-Q101 compliance. Cross-reference the part number with the latest Taiwan Semiconductor catalog to validate availability and manufacturing status before finalizing orders.

Selection Notes

Select this component when an 11V regulation point is required in space-constrained axial packages. The AEC-Q101 certification makes it suitable for automotive systems where standard industrial parts may not suffice. Consider the 1W power rating for thermal management requirements in the target circuit design.

Part Context

This component belongs to the 1N47xxA series of general-purpose Zener diodes. The 'H' suffix typically denotes specific packaging or tape-and-reel configurations distinct from standard bulk packaging. It serves as a standardized replacement for legacy 1N4741 designs while offering modern automotive-grade reliability enhancements.

Replacement Considerations

Direct substitutes include other manufacturers' 1N4741A variants meeting identical electrical specifications. Verify that alternative sources also provide AEC-Q101 qualification if automotive usage is intended. Check pinout compatibility and thermal resistance values to ensure seamless integration.