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MMBT4403 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMBT4403 product

MMBT4403

Discrete Semiconductor Products

PNPBJTSOT-23Transistor

The MMBT4403 is a standard PNP BJT in an SOT-23 package, widely used for general-purpose medium power amplification and switching.

Best for

  • General-purpose switching
  • Medium power amplification
  • Complementary circuits with MMBT4401

Avoid if

  • High-voltage applications exceeding 40V
  • High-power dissipation environments without adequate cooling

Check before use

  • Pinout configuration (SOT-23 standard)
  • Thermal derating at high ambient temperatures

Key specifications

Transistor Type
PNP
VCEO
-40 V
IC (Continuous)
-0.6 A
hFE
100 - 300

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General SwitchingSignal Amplification

Datasheet

c298be7f5749604ca31561535fc8f369.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMBT4403: 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 MMBT4403 is an epitaxial planar PNP transistor designed for medium power amplification and switching applications, packaged in a compact SOT-23 surface-mount format.