2N4401BU AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

2N4401BU product

2N4401BU

Transistors - Bipolar (BJT) - Single

NPNBJTTO-92Amplifier

The 2N4401BU is a standard NPN general-purpose BJT transistor in a TO-92 package, suitable for medium-power amplification and switching.

Best for

  • General-purpose amplification
  • Low-to-medium power switching

Avoid if

  • High-frequency RF applications
  • High-power industrial motor control

Check before use

  • Thermal dissipation requirements
  • Operating temperature range

Key specifications

VCEO
40 V
IC
600 mA
Package
TO-92

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.21.0095

Application

General PurposePower

CAD Models

Download ECAD models for 2N4401BU: 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

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

It is an NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications.