1N4751AH

Overview

The Taiwan Semiconductor 1N4751AH is a single-channel Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 30 V with a tight tolerance of ±5%. The device supports a maximum power dissipation of 1 W and operates within a temperature range from -65 °C to +200 °C. Key electrical characteristics include a maximum reverse leakage current of 5 μA, a Zener impedance of 40 Ω, and a test current of 8.5 mA. It utilizes the DO-41 through-hole package.

Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Features high-temperature capability suitable for demanding environments
• Offers tight voltage tolerance for precision circuit requirements

Applications

• Voltage reference circuits
• Over-voltage protection systems
• General-purpose voltage regulation

Procurement Notes

Verify RoHS compliance status and REACH SVHC declarations directly with the manufacturer or authorized distributors before procurement. Confirm that the specific 'AH' suffix aligns with required packaging formats such as reel or cut tape. Ensure the component meets all applicable environmental standards for the intended deployment environment.

Selection Notes

Select this component when a 30 V regulation point is required in a through-hole configuration. The 1 W power rating and extended temperature range support robust operation. Verify that the ±5% tolerance meets the design specifications compared to standard 10% variants.

Part Context

This part belongs to the 1N47xxA series of Zener diodes manufactured by Taiwan Semiconductor. It shares core electrical parameters with other industry-standard equivalents but is distinguished by its specific manufacturing tolerances and packaging options. The 'A' suffix typically denotes tighter voltage tolerances.

Replacement Considerations

Electrically similar JEDEC registered parts include the 1N4751A series. Cross-reference datasheets to confirm package compatibility and thermal performance match.