SM4F48A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SM4F48A product

SM4F48A

Transient Voltage Suppressors (TVS)

TVS DiodeSurface Mount400WProtection

The SM4F48A is a 400W unidirectional transient voltage suppressor (TVS) diode in a compact SOD-123FL surface-mount package, ideal for protecting sensitive signal lines.

Best for

  • Sensitive electronics protection
  • Signal line protection
  • Automated PCB assembly

Avoid if

  • Applications requiring bidirectional protection (use SM4F48CA instead)
  • High-power surge environments exceeding 400W

Check before use

  • Operating temperature range
  • Peak pulse current limits

Key specifications

Peak Pulse Power
400 W
Reverse Standoff Voltage
48 V
Clamping Voltage
77.4 V
Package
SOD-123FL

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0080

Application

Consumer ElectronicsIndustrial ControlTelecommunications

CAD Models

Download ECAD models for SM4F48A: 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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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

The SM4F48A is a surface-mount TVS diode designed to protect sensitive electronic components from voltage transients induced by inductive load switching and lighting.