SMB3Z9.1A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMB3Z9.1A product

SMB3Z9.1A

Diodes - Zener - Single

Zener Diode3WSMBVoltage Regulation

The SMB3Z9.1A is a 3.0W surface-mount Zener diode in an SMB package, suitable for voltage regulation and clipping circuits.

Best for

  • Voltage stabilization
  • Signal clipping

Avoid if

  • Applications requiring extremely low power dissipation
  • Space-constrained designs where smaller packages like SOD-123 are required

Check before use

  • Thermal derating requirements
  • PCB layout for heat dissipation

Key specifications

Nominal Vz
9.1 V
Power Rating
3.0 W
Package
SMB (DO-214AA)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesIndustrial Controls

CAD Models

Download ECAD models for SMB3Z9.1A: 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 silicon Zener diode manufactured by ZHIDE, designed for surface-mount applications in an SMB (DO-214AA) package.