1N4728A-T

$0.27

Description：DIODE ZENER 3.3V 1W DO41
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:d5eb5323b126 Category: Single Zener Diodes Brand: Diodes Incorporated

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Product introduction

1N4728A-T is listed in the Single Zener Diodes range at ChipApex. The manufacturer field lists Diodes Incorporated. Its product description is DIODE ZENER 3.3V 1W DO41. Review the specifications below when checking this part for your BOM.

Single Zener Diodes specifications for 1N4728A-T

Description：DIODE ZENER 3.3V 1W DO41
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)
Voltage - Zener (Nom) (Vz)：3.3 V
Tolerance：±5%
Power - Max：1 W
Impedance (Max) (Zzt)：10 Ohms
Current - Reverse Leakage @ Vr：100 µA @ 1 V
Operating Temperature：-65°C ~ 175°C
Mounting Type：Through Hole
Package / Case：DO-204AL, DO-41, Axial
Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
Grade：-
Qualification：-

Single Zener Diodes datasheet and documents for 1N4728A-T

1N4728A-T

Single Zener Diodes Overview

The 1N4728A-T is a discontinued 1.0W silicon planar Zener diode manufactured by Diodes Incorporated in the DO-41 glass axial package. It features a nominal Zener voltage of 3.3V with a standard tolerance of 5%. The device operates within a temperature range of -65°C to +175°C and includes lead-free finish compliant with RoHS directives.

Single Zener Diodes Feature Summary

Hermetically sealed glass construction for stability
Lead-free finish compatible with RoHS standards
Standard 5% Zener voltage tolerance

Single Zener Diodes Applications

Voltage regulation circuits
Clipping applications
Reference voltage sources

Single Zener Diodes Procurement Notes

This component is officially marked as obsolete and discontinued by Diodes Incorporated. No alternate part is provided by the manufacturer. Verification of current availability requires checking distributor channels, though production has ceased. Sourcing should focus on existing stock or qualified replacements.

Single Zener Diodes Selection Notes

Select this component only if legacy compatibility is required, noting its discontinued status. Verify that the 3.3V nominal voltage and 1.0W power dissipation meet circuit requirements. Ensure the DO-41 package fits the design constraints. Consider obsolescence risks when planning long-term production.

Single Zener Diodes Part Context

Part of the 1N4728A through 1N4761A series of 1.0W Zener diodes. The '-T' suffix indicates tape and reel packaging containing 5,000 units per reel. This series covers a voltage range from 3.3V to 75V.

Single Zener Diodes Replacement Considerations

Diodes Incorporated states there is no alternate part. Users must identify equivalent components from other manufacturers or verify cross-references independently, as no official substitute is listed in the datasheet.