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SMF4L40A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMF4L40A product

SMF4L40A

TVS - Diodes

TVS Diode400WSOD-123FLUnidirectional

The SMF4L40A is a 400W unidirectional TVS diode from Littelfuse, optimized for space-constrained surface-mount applications in a low-profile SOD-123FL package.

Best for

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

Avoid if

  • Applications requiring bidirectional protection

Check before use

  • Peak pulse power ratings for specific pulse durations

Key specifications

Peak Pulse Power
400 W
Standoff Voltage
40 V
Clamping Voltage
64.5 V

Compliance & Environment

RoHS
Y
REACH
-
MSL
1
ECCN
-
HTSUS
8541100080.0

Application

Consumer ElectronicsPower Supplies

Datasheet

05fae649212941b542dd7c61b1691e9d_2304140030_Littelfuse-SMF4L40A_C1973196.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMF4L40A: 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

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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

It is a 400W peak pulse power TVS diode designed for transient voltage suppression in sensitive electronic equipment.