SMF28A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMF28A product

SMF28A

Diodes - Zener - Single

TVS Diode200WSOD-123FLUnidirectional

The SMF28A is a 200W unidirectional TVS diode from MDD, designed for surface-mount circuit protection in a compact SOD-123FL package.

Best for

  • General circuit protection
  • Space-constrained PCB designs

Avoid if

  • Applications requiring bidirectional protection
  • High-power surges exceeding 200W

Check before use

  • Thermal derating requirements above 25°C

Key specifications

Peak Pulse Power
200 W
Reverse Standoff Voltage
28 V
Clamping Voltage
45.4 V

Compliance & Environment

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

Application

General Purpose

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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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

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 transient voltage suppressor (TVS) diode used to protect sensitive electronic circuits from voltage spikes.