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3SMB5921B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

3SMB5921B product

3SMB5921B

Diodes

Zener Diode3W6.8VSMB

The 3SMB5921B is a 3W, 6.8V Zener diode in an SMB package, ideal for voltage regulation and surge protection in surface-mount circuits.

Best for

  • Voltage regulation
  • Surge protection

Avoid if

  • Space-constrained designs requiring smaller packages than SMB

Check before use

  • Thermal dissipation requirements

Key specifications

Nominal Zener Voltage
6.8 V
Power Dissipation
3.0 W
Package
SMB (DO-214AA)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

PowerGeneral

CAD Models

Download ECAD models for 3SMB5921B: 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 3W silicon Zener diode with a nominal breakdown voltage of 6.8V, designed for surface-mount PCB assembly.