ProjectsPricingInsights

LM339QT AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM339QT product

LM339QT

Comparators

Quad ComparatorLow PowerVoltage Comparator

The LM339QT is a low-power quad voltage comparator from STMicroelectronics, housed in a compact 3x3mm QFN16 package.

Best for

  • General purpose voltage comparison
  • Battery-powered systems

Avoid if

  • High-speed applications requiring sub-microsecond response

Check before use

  • Output pull-up resistor value

Key specifications

Comparators
4
Supply Voltage
2V to 36V
Package
QFN16 3x3

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Purpose

Datasheet

lm139.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LM339QT: 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

It is a quad voltage comparator designed for low-power applications, capable of operating from a single supply (2V to 36V) or dual supplies (±1V to ±18V).