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MMBT3904 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMBT3904 product

MMBT3904

Transistors - Bipolar (BJT) - Single

NPNBJTSOT-23General Purpose

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

Best for

  • General purpose switching
  • Small signal amplification

Avoid if

  • High-power switching applications exceeding 200mA
  • High-voltage circuits exceeding 40V

Check before use

  • Thermal management in dense PCB layouts
  • hFE binning requirements

Key specifications

Type
NPN
VCEO
40 V
IC
200 mA
hFE
100-400

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General PurposeSignal Amplification

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 common NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching tasks.