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SMF18A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMF18A product

SMF18A

Diodes - Zener - Single

TVS DiodeSurface Mount200WSOD-123FL

The SMF18A is a 200W uni-directional TVS diode in a compact SOD-123FL package, optimized for protecting sensitive I/O interfaces and VCC buses from voltage transients.

Best for

  • I/O interface protection
  • VCC bus protection
  • Portable electronics

Avoid if

  • Applications requiring bi-directional protection
  • High-power surge environments exceeding 200W

Check before use

  • Polarity orientation
  • Thermal derating at high temperatures

Key specifications

Peak Pulse Power
200 W
Reverse Standoff Voltage
18 V
Clamping Voltage
29.2 V
Package
SOD-123FL

Compliance & Environment

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

Application

Consumer ElectronicsPower Supplies

Datasheet

2205240945_GOODWORK-SMF18A_C2943765.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMF18A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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 SMF18A is a surface-mount Transient Voltage Suppression (TVS) diode designed to protect electronic circuits from voltage transients, such as those caused by lightning or ESD.