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MMBT3904W AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMBT3904W product

MMBT3904W

Transistors - Bipolar (BJT) - Single

NPNBJTSOT-323Switching

The MMBT3904W is a general-purpose NPN BJT in a SOT-323 package, suitable for low-power switching and amplification.

Best for

  • General-purpose signal switching
  • Low-power amplification

Avoid if

  • High-power or high-current applications exceeding 200mA

Check before use

  • Thermal dissipation limits
  • Package footprint compatibility

Key specifications

Polarity
NPN
VCEO
40 V
IC
200 mA
Package
SOT-323

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General signal processing

Datasheet

932bd588cc9ecad04cadf1203ca01df6_2201121530_Doeshare-MMBT3904W_C2931642.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMBT3904W: 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

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

The MMBT3904W is an NPN silicon epitaxial planar transistor designed for general-purpose switching and amplifier applications, packaged in a compact SOT-323 surface-mount format.