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1SMB5939BT3G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMB5939BT3G product

1SMB5939BT3G

Diodes - Zener - Single

Zener Diode3W39VSMB

The 1SMB5939BT3G is a 3W, 39V Zener diode in an SMB package, suitable for voltage regulation in automotive and industrial applications.

Best for

  • Voltage regulation
  • Automotive electronics
  • Industrial power supplies

Avoid if

  • Applications requiring power dissipation significantly above 3W

Check before use

  • Thermal derating requirements

Key specifications

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

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0050

Application

Power ManagementAutomotive

Datasheet

AMECS003-1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMB5939BT3G: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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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 voltage regulator diode with a nominal Zener voltage of 39V.