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Comparator Quad ±18V/36V 14-Pin SOIC N Tube

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LM239DG General Description

This comparator is designed for use in level detection, low-level sensing and memory applications in consumer automotive and industrial electronic applications.

Key Features

  • Low input offset voltage
  • Input common mode voltage range to GND
  • TTL and CMOS compatible
  • ESD clamps on the inputs increase reliability without affecting device operation


Status Active Package Type SOIC-14
Case Outline 751A-03 MSL Temp (°C) 260
Container Type REEL
LM239 LM239


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

  • DHL

  • Fedex

  • UPS

  • EMS

  • Registered Air Mail


We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

  • Wire Transfer

  • Paypal

  • Credit Card

  • Western Union

  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


  • Tape and Reel

    Tape and Reel

  • Cut Tape

    Cut Tape

  • Tube or Tray

    Tube or Tray

Ratings and Reviews

M**n Dec 02, 2020

Assembly quality. Delivery 5 days is long enough.

N**h May 10, 2020

I refused to work from the voltage of 31 v. Maybe a good power source. And so on the quality of soldering and the payment itself there are no questions. Packed in antistatic bag

C**b Oct 12, 2019

All ok, to irkutsk reached in 30 days

A**n May 29, 2019

OK. Goods as descripted. I am very satisfied.

J**n Mar 02, 2019

Thank you for the goods! I recommend the seller!/Thanks for the article! I recommend the seller!



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LM239DG Datasheet PDF

Preliminary Specification LM239DG PDF Download

LM239DG PDF Preview

Buying Guide

  • What is the lifespan of LM239DG?

    The lifespan of LM239DG depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of LM239DG?

    You can find it with PDF Datasheet for LM239DG on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

  • How to check the quality of LM239DG?

    Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.

  • Can I purchase samples for testing?

    Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.

  • Where can I check the delivery after the order is completed?

    Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.

  • Where to view my order of LM239DG or my history order record?

    You could view all of your orders by logging in or registering AVAQ account. Log in or Register an account now.