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1SMB5931B-13 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMB5931B-13 product

1SMB5931B-13

Diodes - Zener - Single

Zener Diode3.0WSMB18V

The 1SMB5931B-13 is a 3.0W surface-mount Zener diode with an 18V nominal voltage, designed for voltage regulation and transient suppression in automated assembly environments.

Best for

  • Voltage regulation
  • Transient voltage suppression

Avoid if

  • Applications requiring precision beyond ±5% tolerance

Check before use

  • Thermal dissipation requirements on the PCB

Key specifications

Nominal Vz
18 V
Power Dissipation
3.0 W
Package
SMB

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level 1
ECCN
EAR99
HTSUS
8541100050.0

Application

Power SuppliesIndustrial Controls

Datasheet

TWSCS01626-1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMB5931B-13: 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

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

1
1SMB5931BT3GManufacturer

Direct substitute parts are determined to provide a high likelihood of form, fit, and function match. There may be slight differences in materials, tolerances, manufacturer, etc...

Needs validation

Design and risk insights

Questions & answers

It is a 3.0W power Zener diode in an SMB package, providing a nominal Zener voltage of 18V.