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SMB3Z4.3A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMB3Z4.3A product

SMB3Z4.3A

Diodes - Zener - Single

Zener Diode3WSMBSurface Mount

The SMB3Z4.3A is a 3.0W surface-mount Zener diode designed for voltage regulation and clipping applications in a standard SMB (DO-214AA) package.

Best for

  • Voltage stabilization
  • Signal clipping

Avoid if

  • Applications requiring extremely low power dissipation or non-standard footprints.

Check before use

  • Thermal derating requirements at high ambient temperatures.

Key specifications

Zener Voltage
4.3 V
Power Rating
3.0 W
Package
DO-214AA (SMB)

Compliance & Environment

RoHS
Yes
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementGeneral Electronics

Datasheet

9a296ce3334cca9731133a131e0205e0_2211281000_ZHIDE-SMB3Z4-3A_C5161123.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMB3Z4.3A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 3.0W surface-mount silicon Zener diode with a nominal Zener voltage of 4.3V, housed in a DO-214AA (SMB) package.