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SMFJ40A AI Analysis:
Specs, Applications & Alternatives

AI summary

SMFJ40A product

SMFJ40A

TVS - Diodes

TVS DiodeUnidirectionalSOD-123FL200W

The SMFJ40A is a 200W unidirectional TVS diode designed for transient voltage protection in compact electronic circuits.

Best for

  • Portable electronics
  • Power supply protection

Avoid if

  • Applications requiring bidirectional protection or higher power dissipation

Check before use

  • Clamping voltage at expected peak current

Key specifications

VR
40 V
VBR
44.4 V - 49.1 V
PPPM
200 W

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
Level 1
ECCN
-
HTSUS
-

Application

Consumer ElectronicsPower Supplies

Datasheet

7c6684206c9c21134fcc33a55dec1238_2402261635_MSKSEMI-SMFJ40A_C2830147.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

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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Alternative components

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

Design and risk insights

Questions & answers

The SMFJ40A is a surface-mount Transient Voltage Suppressor (TVS) diode in a SOD-123FL package, used to protect sensitive electronic components from voltage spikes.