ProjectsPricingInsights

BD139-16 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BD139-16 product

BD139-16

Component

NPNBJTTO-126Power Transistor

The BD139-16 is an NPN medium-power transistor in a TO-126 package, suitable for linear and switching applications with a collector current of 1.5A and 80V VCEO.

Best for

  • Linear power amplification
  • Switching circuits
  • General purpose medium-power control

Avoid if

  • High-frequency RF applications
  • Extremely space-constrained designs requiring SMD components

Check before use

  • Thermal management requirements
  • Maximum power dissipation limits

Key specifications

Polarity
NPN
VCEO
80 V
IC
1.5 A
hFE Range
100-250

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementGeneral Purpose

Datasheet

912289c26d931782958167a227ffc4e6_2311271009_Jiangsu-Changjing-Electronics-Technology-Co---Ltd--BD139-16_C19267709.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for BD139-16: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

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 BD139-16 is a silicon NPN power transistor designed for medium-power linear and switching applications, packaged in a TO-126 format.