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FMMT491ATA AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

FMMT491ATA product

FMMT491ATA

Transistors - Bipolar (BJT) - Single

NPNTransistorSOT23Medium Power

The FMMT491ATA is a 40V NPN medium power transistor housed in a SOT23 package, designed for high-reliability automotive and industrial applications.

Best for

  • Automotive electronics
  • Industrial control circuits
  • Medium power switching

Avoid if

  • Applications requiring >40V or >1A continuous current

Check before use

  • Thermal management on PCB

Key specifications

VCEO
40 V
IC
1 A
hFE
300-900
Package
SOT23

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level 1
ECCN
EAR99
HTSUS
8541210075.0

Application

AutomotivePower Management

Datasheet

Diodes-Inc.-FMMT491ATA.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for FMMT491ATA: 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 40V NPN silicon planar medium power transistor manufactured by Diodes Incorporated, optimized for high-current gain and low on-resistance.