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FM2542S AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

FM2542S product

FM2542S

MOSFETs - Single

PSRAC/DC650V MOSFET20W

The FM2542S is a high-efficiency, low-power PSR AC/DC controller with an integrated 650V CoolMOS, optimized for 20W chargers and adapters.

Best for

  • 20W AC/DC chargers
  • Compact power adapters

Avoid if

  • Applications requiring secondary-side feedback
  • Power levels significantly exceeding 20W

Check before use

  • Transformer turns ratio and inductance
  • PCB layout for thermal dissipation

Key specifications

MOSFET VDS
650 V
MOSFET Rds(ON)
1.5 Ω
Max Power
20 W
Package
SOP-8

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power AdaptersChargers

Datasheet

513363e76f87e336f9d593fb3e4a5d40_2201121530_Shenzhen-Fuman-Elec-FM2542S_C2931990.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for FM2542S: 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

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 FM2542S is a primary-side feedback (PSR) switching power supply controller with an integrated 650V power MOSFET, designed for high-efficiency, low-power applications.