2N3904U AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

2N3904U product

2N3904U

Transistors - Bipolar (BJT) - Single

NPNBJTSOT-89Transistor

The 2N3904U is a standard NPN BJT in an SOT-89 package, suitable for general-purpose switching and amplification tasks.

Best for

  • General purpose switching
  • Low-power amplification

Avoid if

  • High-current applications exceeding 200mA
  • High-voltage circuits above 40V

Check before use

  • Thermal dissipation requirements
  • Pinout configuration

Key specifications

VCEO
40 V
IC
0.2 A
hFE
100-300
Package
SOT-89

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Purpose

CAD Models

Download ECAD models for 2N3904U: 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 2N3904U is an NPN bipolar junction transistor (BJT) manufactured by CBI, designed for low-voltage, low-current applications.