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SM4F20A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SM4F20A product

SM4F20A

Transient Voltage Suppressors (TVS)

TVS Diode400WSOD-123FLUnidirectional

The SM4F20A is a 400W unidirectional TVS diode in a compact SOD-123FL package, ideal for protecting sensitive signal lines and ICs from voltage transients.

Best for

  • Consumer electronics
  • Industrial signal lines
  • Telecommunication equipment

Avoid if

  • Applications requiring bidirectional protection or higher power dissipation than 400W.

Check before use

  • Ensure the 10/1000µs waveform matches your expected transient profile.

Key specifications

Peak Pulse Power
400 W
Reverse Standoff Voltage
20 V
Max Clamping Voltage
32.4 V

Compliance & Environment

RoHS
Compliant
REACH
REACH Unaffected
MSL
1
ECCN
EAR99
HTSUS
8541.10.0080

Application

Consumer ElectronicsIndustrial

Datasheet

e10e30f934924f12035f74d07d080eaa_2401111801_Yangzhou-Yangjie-Elec-Tech-SM4F20A_C20603470.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SM4F20A: 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
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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 surface-mount transient voltage suppressor (TVS) diode designed to protect sensitive electronics from inductive load switching and lighting-induced transients.