1SMB5931B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMB5931B product

1SMB5931B

Zener

Zener Diode3W18VSMB

The 1SMB5931B is a 3W, 18V Zener diode in an SMB package, suitable for general-purpose voltage regulation and surge protection.

Best for

  • Voltage regulation
  • Surge protection

Avoid if

  • Applications requiring power dissipation significantly above 3W

Check before use

  • Thermal derating at high ambient temperatures

Key specifications

Nominal Zener Voltage
18 V
Power Dissipation
3 W
Package
SMB (DO-214AA)

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH info available upon request
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0080

Application

Power RegulationGeneral Purpose

CAD Models

Download ECAD models for 1SMB5931B: 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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Where to Buy

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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 3W surface-mount Zener diode with a nominal Zener voltage of 18V, packaged in a standard SMB (DO-214AA) form factor.