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BD139G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BD139G product

BD139G

Transistors - Bipolar (BJT) - Single

NPNMedium PowerAudio

The BD139G is a robust 80V, 1.5A NPN medium-power transistor suitable for audio and driver applications.

Best for

  • Audio power amplifiers
  • General purpose driver circuits

Avoid if

  • High-frequency switching applications exceeding the device's bandwidth

Check before use

  • Thermal management requirements

Key specifications

VCEO
80 V
IC
1.5 A
PD
12.5 W

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
Not Applicable
ECCN
EAR99
HTSUS
8541.29.0095

Application

Audio AmplifiersDriver Circuits

Datasheet

BD135-D.PDF

800 KB

Datasheet AI

CAD Models

Download ECAD models for BD139G: 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

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 BD139G is a medium-power NPN silicon transistor from onsemi, primarily used in audio amplifier and driver circuits.