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SMF28A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMF28A product

SMF28A

TVS - Diodes

TVS Diode200WSOD-123FLLittelfuse

The SMF28A is a 200W uni-directional TVS diode in a compact SOD-123FL package, optimized for protecting sensitive electronic circuits from voltage transients.

Best for

  • I/O interface protection
  • Portable electronics
  • Power supply transient protection

Avoid if

  • Applications requiring bi-directional protection (use SMF28CA instead)

Check before use

  • Maximum transient energy levels in the target circuit

Key specifications

Standoff Voltage
28 V
Peak Pulse Power
200 W
Clamping Voltage
45.4 V
Package
SOD-123FL

Compliance & Environment

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

Application

Consumer ElectronicsPower Supplies

Datasheet

media

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMF28A: 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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Where to Buy

Real-time and catalog pricing from verified distributors

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

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The SMF28A is a surface-mount transient voltage suppressor (TVS) diode from Littelfuse, designed to protect sensitive equipment from voltage transients like lightning.