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1SMB5931BT3G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMB5931BT3G product

1SMB5931BT3G

Diodes - Zener - Single

Zener Diode3W18VSMB

The 1SMB5931BT3G is a 3W, 18V Zener diode in an SMB package, ideal for voltage regulation in automotive and industrial circuits.

Best for

  • Voltage regulation
  • Automotive electronics
  • Industrial power supplies

Avoid if

  • Applications requiring power dissipation significantly above 3W
  • Space-constrained designs where a smaller package than SMB is required

Check before use

  • Thermal derating requirements
  • PCB footprint compatibility

Key specifications

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

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Voltage RegulationAutomotive

CAD Models

Download ECAD models for 1SMB5931BT3G: 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, designed for voltage regulation.