EFD2040S-12 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

EFD2040S-12 product

EFD2040S-12

SMPS Transformers

PoETransformerFlyback

The EFD2040S-12 is a PoE flyback transformer optimized for 36V-72V input ranges at 250 kHz.

Best for

  • PoE power supply designs

Avoid if

  • Applications requiring non-standard switching frequencies or higher power ratings

Check before use

  • Thermal dissipation and PCB layout for the EFD20 footprint

Key specifications

Inductance
42 µH
Isolation
1500 Vrms
Frequency
250 kHz

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power over Ethernet

CAD Models

Download ECAD models for EFD2040S-12: 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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Alternative components

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

Design and risk insights

Questions & answers

It is a flyback transformer specifically designed for Power over Ethernet (PoE) applications.