1N4761A R1G

Overview

The 1N4761AHR1G is a single silicon Zener diode manufactured by Taiwan Semiconductor, designed for through-hole mounting in the DO-41 (DO-204AL) axial package. It provides a nominal Zener voltage of 75 V with a tolerance of ±5%. The device dissipates up to 1 W of power and operates within a temperature range of -55°C to +150°C. Key electrical characteristics include a maximum reverse leakage current of 5 µA and a Zener impedance of 175 Ω at a test current of 3.3 mA. It holds AEC-Q101 qualification.

Feature Summary

• Provides stable voltage regulation via Zener breakdown mechanism
• Features built-in strain relief for mechanical durability
• Qualified for automotive applications under AEC-Q101 standards

Applications

• Voltage reference circuits
• Overvoltage protection
• Clipping and clamping circuits

Procurement Notes

Verify component authenticity and lot traceability directly with the manufacturer or authorized distributors. Confirm that the specific suffix matches the required reel packaging configuration. Ensure compliance with RoHS and REACH regulations as specified in the official datasheet before integration into production lines.

Selection Notes

Select this component when a 75 V regulation point is required in high-reliability environments. The AEC-Q101 qualification makes it suitable for automotive electronics. Verify that the 175 Ω dynamic impedance meets the noise sensitivity requirements of the target application circuit design.

Part Context

This part belongs to the 1N4761AH series of 1 W Zener diodes from Taiwan Semiconductor. It utilizes standard glass axial encapsulation compatible with automated insertion processes. The series covers a wide voltage range, with this specific variant targeting mid-range voltage regulation needs.

Replacement Considerations

Cross-reference with other manufacturers' 1N4761A equivalents. Verify pinout compatibility and ensure thermal resistance ratings match the host board's heat dissipation capabilities.