1N4728A-TAP

Single Zener Diodes Overview

The Vishay 1N4728A-TAP is a silicon planar power Zener diode with a nominal voltage of 3.3 V and a maximum power dissipation of 1.3 W at thermal equilibrium. It features a standard tolerance of ±5% and operates within a temperature range of -65 °C to +175 °C. The device utilizes a DO-41 (DO-204AL) through-hole package, weighs approximately 310 mg, and has a peak soldering temperature rating of 260 °C.

Single Zener Diodes Feature Summary

• Silicon planar construction for high-power stabilization and clipping applications
• Hermetically sealed glass package with metallurgically bonded die
• Standardized ±5% Zener voltage tolerance

Single Zener Diodes Applications

• Voltage stabilization circuits
• High-power clipping circuits

Single Zener Diodes Procurement Notes

Verify the specific ordering code suffix against the manufacturer's documentation to confirm packaging details. Confirm that the component meets RoHS3 compliance standards and check for any applicable AEC-Q101 automotive qualifications if required by the design specifications.

Single Zener Diodes Selection Notes

Select this component when a 3.3 V reference with 1.3 W power handling is needed in a DO-41 package. Ensure the application maintains lead temperatures at ambient conditions to achieve rated power dissipation. Validate dynamic resistance and leakage current parameters against circuit requirements.

Single Zener Diodes Part Context

This part belongs to the Vishay 1N4728A to 1N4761A series of silicon planar power Zener diodes. The series covers a wide voltage range from 3.3 V to 75 V, providing standardized options for various voltage regulation needs within the same physical form factor and manufacturing process.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 1N4728A equivalents in the DO-41 package. Verify that substitute parts match the 3.3 V nominal voltage, 1.3 W power rating, and ±5% tolerance specifications.