ProjectsPricingInsights

MMBT3904-AU_R1_000A1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMBT3904-AU_R1_000A1 product

MMBT3904-AU_R1_000A1

Transistors - Bipolar (BJT) - Single

NPNTransistorSOT-23AEC-Q101

The MMBT3904-AU is a standard NPN general-purpose switching transistor in a SOT-23 package, suitable for various low-power switching and amplification applications.

Best for

  • General purpose switching
  • Signal amplification
  • Automotive applications (AEC-Q101)

Avoid if

  • High-power applications exceeding 225mW
  • High-current switching above 200mA

Check before use

  • Thermal derating based on ambient temperature
  • PCB footprint alignment

Key specifications

VCEO
40 V
IC
200 mA
PTOT
225 mW

Compliance & Environment

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

Application

General PurposeAutomotive

Datasheet

81dbe396345c35d3b526cbd4c48c60a3_2312071548_PANJIT-International-MMBT3904-AU-R1-000A1_C6093910.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMBT3904-AU_R1_000A1: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

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 MMBT3904-AU is an NPN epitaxial silicon, planar design transistor designed for general-purpose switching and amplification.