SMMBT3904LT1G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMMBT3904LT1G product

SMMBT3904LT1G

Transistors - Bipolar (BJT) - Single

NPNTransistorAEC-Q101SOT-23

The SMMBT3904LT1G is an AEC-Q101 qualified NPN general-purpose transistor in a SOT-23 package, ideal for automotive and industrial switching or amplification.

Best for

  • Automotive electronics
  • General purpose switching
  • Signal amplification

Avoid if

  • High-power applications exceeding 200mA
  • Applications requiring high-voltage isolation beyond 40V

Check before use

  • Thermal derating requirements
  • PCB footprint compatibility

Key specifications

VCEO
40 V
IC (Continuous)
200 mA
fT
300 MHz
Package
SOT-23

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.21.0075

Application

AutomotiveGeneral Purpose

CAD Models

Download ECAD models for SMMBT3904LT1G: 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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KiCad Library
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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 an NPN silicon general-purpose transistor from onsemi, designed for switching and amplification, and qualified for automotive use (AEC-Q101).