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AO3421E AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

AO3421E product

AO3421E

FETs

MOSFETP-ChannelSOT-23Power Management

The AO3421E is a 30V P-Channel MOSFET in a SOT-23 package, optimized for battery protection and load switching.

Best for

  • Battery protection circuits
  • Load switching

Avoid if

  • High-current applications exceeding 3A
  • New designs requiring long-term availability

Check before use

  • Current lifecycle status
  • Thermal management in SOT-23 package

Key specifications

VDS
-30 V
ID
-3 A
RDS(ON)
< 95 mΩ

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.29.0095

Application

Power ManagementConsumer Electronics

Datasheet

796e3765f226f19e7965a019493a8760_2403271726_Alpha---Omega-Semicon-AO3421E_C3290019.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for AO3421E: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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
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Where to Buy

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Alternative components

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

Design and risk insights

Questions & answers

The AO3421E is a P-Channel MOSFET from Alpha & Omega Semiconductor, designed for high-efficiency power management in compact applications.