MMBT3904 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMBT3904 product

MMBT3904

Bipolar (BJT)

NPNBJTSOT-23General Purpose

The MMBT3904 is a standard NPN general-purpose transistor in a SOT-23 package, widely used for small-signal amplification and switching.

Best for

  • Small signal amplification
  • General purpose switching

Avoid if

  • High power applications exceeding 200mW
  • High voltage circuits exceeding 40V

Check before use

  • Thermal derating requirements
  • hFE gain at specific operating points

Key specifications

VCEO
40 V
IC
200 mA
hFE
40-300

Compliance & Environment

RoHS
EU RoHS 2.0 compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Purpose

CAD Models

Download ECAD models for MMBT3904: 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

Alternative components

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

Design and risk insights

Questions & answers

The MMBT3904 is a surface-mount NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching tasks.