ProjectsPricingInsights

MMBT4401 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMBT4401 product

MMBT4401

Transistors

NPNBJTSwitchingSOT-23

The MMBT4401 is a standard NPN switching transistor in a SOT-23 package, widely used for general-purpose switching and amplification tasks.

Best for

  • General purpose switching
  • Signal amplification

Avoid if

  • High-power applications exceeding 300mW
  • Extreme high-frequency RF circuits

Check before use

  • Thermal dissipation requirements
  • Operating voltage limits

Key specifications

VCEO
40 V
IC
600 mA
fT
250 MHz

Compliance & Environment

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

Application

General Switching

Datasheet

bd350f8ff13532b4f0e1a9484dceb821_2201121530_Doeshare-MMBT4401_C2931713.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMBT4401: 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 MMBT4401 is a surface-mount NPN bipolar junction transistor (BJT) designed for switching and amplification applications.