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NS4251 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

NS4251 product

NS4251

Memory

Audio AmplifierClass DClass AB3W

The NS4251 is a versatile 3W dual-channel audio amplifier offering switchable Class AB/D modes and integrated headphone support.

Best for

  • Portable audio devices
  • Laptops
  • Desktop speakers

Avoid if

  • Applications requiring extremely low power consumption in standby without external control

Check before use

  • EMI suppression requirements in Class D mode

Key specifications

Output Power
3W x 2 @ 8Ω
Supply Voltage
3.0V - 5.5V
Efficiency
90% (Class D)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer Audio

CAD Models

Download ECAD models for NS4251: 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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Alternative components

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

Design and risk insights

Questions & answers

The NS4251 is a dual-channel audio power amplifier that supports both Class AB and Class D operation, delivering up to 3W per channel.