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MJD340G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MJD340G product

MJD340G

Transistors - Bipolar (BJT) - Single

NPNPower TransistorHigh VoltageDPAK

The MJD340G is a 300V, 0.5A NPN power transistor in a DPAK package, ideal for high-voltage switching and audio amplifier applications.

Best for

  • Line-operated audio amplifiers
  • Switchmode power supply drivers

Avoid if

  • Applications requiring continuous currents above 0.5A
  • Low-voltage logic level switching

Check before use

  • Thermal dissipation requirements
  • Safe Operating Area (SOA) limits

Key specifications

VCEO
300 V
IC (Continuous)
0.5 A
Power Dissipation
15 W
Package
DPAK

Compliance & Environment

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

Application

Power SupplyAudio Amplifier

Datasheet

MJD340-D.PDF

800 KB

Datasheet AI

CAD Models

Download ECAD models for MJD340G: 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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Where to Buy

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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 MJD340G is a high-voltage NPN silicon power transistor manufactured by onsemi, designed for surface-mount applications in line-operated audio amplifiers and switchmode power supplies.