1N4730A-TAP

Overview

The Vishay General Semiconductor - Diodes Division 1N4730A-TAP is a silicon planar power Zener diode in the 1N4728A to 1N4761A series. It provides a nominal Zener voltage of 3.9 V with a standard tolerance of ±5%. The device operates at a test current of 64 mA and features a maximum reverse leakage current of 50 µA at 1 V. It has a dynamic resistance of 9 Ω, a surge current rating of 1190 mA, and a forward voltage of 1.2 V at 200 mA. The component is housed in an axial DO-41 (DO-204AL) package.

Feature Summary

• Utilizes silicon planar technology for robust voltage regulation
• Designed for high-power stabilization and clipping applications
• Features flexible axial-lead mounting terminals

Applications

• Voltage stabilization circuits
• High-power clipping circuits

Procurement Notes

Verify that the ordering suffix 'TAP' corresponds to the taped units per reel configuration as specified in the official datasheet. Confirm compliance with material categorization definitions provided by the manufacturer. Ensure technical parameters are validated against specific application requirements before procurement.

Selection Notes

Select this component when a 3.9 V reference or regulator is required within the 1N47xx series. Consider the 1.3 W power dissipation capability and thermal resistance characteristics. Verify that the DO-41 through-hole package aligns with the target circuit board layout and assembly processes.

Part Context

This part belongs to the 1N4728A to 1N4761A family of Zener diodes manufactured by Vishay Semiconductors. The series covers a wide range of nominal voltages from 3.3 V to 75 V. These components are designed for general-purpose voltage regulation tasks requiring reliable performance in standard electronic assemblies.

Replacement Considerations

Surface mount equivalents such as SMAJ4730A and MLL4730A are available from the same manufacturer. Consult factory documentation for other compatible variants or screening options.