Name: LS1240A
Brand: STMicroelectronics
SKU: LS1240A
Availability: InStock
Rating: 5 (108 reviews)

LS1240A

For Reference Only

Part Number	LS1240A
Manufacturer	STMicroelectronics
Description	IC RINGER ELECTR 2TONE 8-MINIDIP
Datasheet	LS1240A Datasheet LS1240A Specifications
Package	8-DIP (0.300", 7.62mm)
ECAD
In Stock	769,380 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 22 - Apr 27 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LS1240A (Interface - Telecom) is manufactured by STMicroelectronics and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For LS1240A specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LS1240A with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LS1240A.

LS1240A Specifications

Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - Interface - Telecom
Package	8-DIP (0.300", 7.62mm)
ECAD
Series	-
Function	Tone Ringer
Interface	-
Number of Circuits	1
Voltage - Supply	26V
Current - Supply	30mA
Power (Watts)	-
Operating Temperature	-40°C ~ 70°C
Mounting Type	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
Supplier Device Package	8-Mini DIP

LS1240A Datasheet

LS1240A Reviews

Phil*****Dubey

March 29, 2023

★ ★ ★ ★ ★

I can count on your provision for BOM of my design in near future

Domin*****ujillo

March 26, 2023

★ ★ ★ ★ ★

Super easy to replace and labelled terminals made it a quick replacement.

Davi*****anda

March 26, 2023

★ ★ ★ ★ ★

They are great as I need, I give 5 stars.

Dilan*****patrick

March 11, 2023

★ ★ ★ ★ ★

Excellent website experience for search any product I want, problem solvers. You guys I can trust and reply on.

Damo*****dina

March 9, 2023

★ ★ ★ ★ ★

What I like was it was shipped fast and no damage.

Ange***** Hari

March 4, 2023

★ ★ ★ ★ ★

Fantastic quality products with fair and prompt shipping. Would save much time crossing all the features. Thank you for all your effort.

Bell*****lacruz

February 21, 2023

★ ★ ★ ★ ★

So far so good. I need to see how they hold up.

Male*****onovan

February 21, 2023

★ ★ ★ ★ ★

Reasonable prices, fast shipping, and the best customer service I've ever experienced! Absolutely will share it to my friends.

Jare*****wnsend

February 19, 2023

★ ★ ★ ★ ★

Excellent shopping cart process, various of products for selection and order fulfillment a good service quality. I rely on them heavily.

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LS1240A Packaging

LS1240A FAQ

1. How to order LS1240A on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LS1240A is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LS1240A. All suppliers must pass our qualification reviews before they can publish their products including LS1240A on Heisener; we pay more attention to the channels and quality of LS1240A products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LS1240A price and inventory displayed accurate?

The price and inventory of LS1240A fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LS1240A?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LS1240A we delivered, we will accept the replacement or return of the LS1240A only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LS1240A.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as LS1240A pin diagram, LS1240A datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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LS1240A Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

LS1240AD1

D# LS1240AD1

STMicroelectronics

Telecom Ringer Phone 1740Hz to 2140Hz/1220Hz to 1600Hz 8-Pin SO N Tube - Rail/Tube (Alt: LS1240AD1)

LS1240AD1013TR

D# LS1240AD1013TR

STMicroelectronics

Telecom Ringer Phone 1740Hz to 2140Hz/1220Hz to 1600Hz 8-Pin SO N T/R - Tape and Reel (Alt: LS1240AD1013TR)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LS1240AL-S08-R

United Technologies Corporation

5000

Part Number	Manufacturer	Description	Stock
LS1240A	STMicroelectronics		686
LS1240AD1	STMicroelectronics		686
E-LS1240A	STMicroelectronics	IC RINGER ELECTR 2TONE 8-MINIDIP	0

Part Number

Manufacturer

Description

Stock

LS1240AG-SO8-R

UTC Fire & Security

SOP-8_150mil Driver ICs RoHS

4870

Part Number	Manufacturer	Description	Stock
LS1240AD1 D# LS1240AD1-ND	STMicroelectronics	IC TELECOM INTERFACE 8SO	0
LS1240A D# LS1240A-ND	STMicroelectronics	IC TELECOM INTERFACE 8MINI DIP	0
E-LS1240A D# E-LS1240A-ND	STMicroelectronics	IC TELECOM INTERFACE 8MINI DIP	0

Part Number	Manufacturer	Description	Stock
LS1240AD1	STMicroelectronics	In stock shipping within 2days	9924
LS1240AL	United Technologies Corporation	In stock shipping within 2days	120
LS1240A	United Technologies Corporation	In stock shipping within 2days	1000
LS1240AL-S08-R	United Technologies Corporation	In stock shipping within 2days	1006

Part Number	Manufacturer	Description	Stock
LS1240A		OEM/CM QUOTES ONLY \| NO BROKERS	46400
LS1240AD1013TR	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	1160
LS1240ALD08T	United Technologies Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	3170
M74ALS1240AP	Mitsubishi Electric	OEM/CM QUOTES ONLY \| NO BROKERS	186
UTCLS1240ADL	United Technologies Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	238
LS1240ALDIP8	United Technologies Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	9280
ELS1240A		OEM/CM QUOTES ONLY \| NO BROKERS	721
LS1240AD	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	1090
LS1240AGSOP8	United Technologies Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	17400
LS1240ALS08T	United Technologies Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	2807
LS1240ALS08R	Unisonic Technologies	OEM/CM QUOTES ONLY \| NO BROKERS	14500
LS1240AL	United Technologies Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	4640
LS1240AD1	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	22420

Part Number

Manufacturer

Description

Stock

LS1240AL

United Technologies Corporation

LS1240AL

1000

Part Number

Manufacturer

Description

Stock

LS1240AL-S08-R

Unisonic Technologies

In Stock

12500

Part Number

Manufacturer

Description

Stock

LS1240AG-SO8-R

D# C127025

UTC Fire & Security

4870

Part Number	Manufacturer	Description	Stock
LS1240AD	STMicroelectronics	OEM/CM Immediate delivery	1380
LS1240A	N/A	OEM/CM Immediate delivery	8000
LS1240AD1	STMicroelectronics	OEM/CM Immediate delivery	9664
LS1240AL-SO8	UTC Fire & Security	OEM/CM Immediate delivery	132
LS1240AD1013TR	STMicroelectronics	OEM/CM Immediate delivery	1788

Part Number	Manufacturer	Description	Stock
LS1240A D# NS-LS1240A	STMicroelectronics	OEM/CM ONLY	9279
LS1240AD1 D# NS-LS1240AD1	STMicroelectronics	OEM/CM ONLY	1188
DM74ALS1240AWMX D# NS-DM74ALS1240AWMX	Fairchild Semiconductor Corporation	OEM/CM ONLY	1420
M74ALS1240AP D# NS-M74ALS1240AP	VARIOUS	OEM/CM ONLY	1127
E-LS1240A D# NS-E-LS1240A	STMicroelectronics	OEM/CM ONLY	2685

Part Number

Manufacturer

Description

Stock

LS1240A

Wing Shing International Group

TELEPHONE RINGER CKT, PDIP8

Part Number

Manufacturer

Description

Stock

LS1240AD

D# LS1240AD

STMicroelectronics

Inventory R

LS1240A

D# LS1240A

SGS Semiconductor Ltd

Semiconductor

Part Number	Manufacturer	Description	Stock
LS1240AL	UTC	OEM/CM ONLY	4016
LS1240AD1013TR	STMicroelectronics	OEM/CM ONLY	2411
LS1240ALD08T		OEM/CM ONLY	2499
LS1240A	STMicroelectronics	OEM/CM ONLY	1030
UTCLS1240ADL		OEM/CM ONLY	216
LS1240AG SOP8	UTC	OEM/CM ONLY	15011
LS1240AL DIP8	UTC	OEM/CM ONLY	8011
M74ALS1240AP	Mitsubishi Electric	OEM/CM ONLY	176
ELS1240A	STMicroelectronics	OEM/CM ONLY	643
LS1240AD	STMicroelectronics	OEM/CM ONLY	522
LS1240ALS08T		OEM/CM ONLY	2436
LS1240ALS08R		OEM/CM ONLY	17516
LS1240AD1	STMicroelectronics	OEM/CM ONLY	706

Part Number	Manufacturer	Description	Stock
LS1240AD	STMicroelectronics	IN stock Immediate delivery	1395
LS1240AD1	STMicroelectronics	IN stock Immediate delivery	9679
LS1240AD1013TR	STMicroelectronics	IN stock Immediate delivery	1803
LS1240A	N/A	IN stock Immediate delivery	8015
LS1240AL-SO8	United Technologies Corporation	IN stock Immediate delivery	127

Part Number	Manufacturer	Description	Stock
LS1240A	UTC Fire & Security	shipping today	12496
LS1240AG-S08-R	UTC Fire & Security	shipping today	29999
LS1240AL	UTC Fire & Security	shipping today	32496
LS1240AD1	STMicroelectronics	shipping today	1326
LS1240AD	STMicroelectronics	shipping today	276
LS1240AL-SO8	UTC Fire & Security	shipping today	2496
LS1240AL-S08-R	UTC Fire & Security	shipping today	2999
LS1240AD1013TR	STMicroelectronics	shipping today	1796

Part Number	Manufacturer	Description	Stock
LS1240AD1013TR	STMicroelectronics	RFQ	9447
LS1240A	mfr	RFQ	11768
LS1240AD	STMicroelectronics	RFQ	5023

Part Number	Manufacturer	Description	Stock
LS1240AL-SO8	United Technologies Corporation		132
LS1240AL	United Technologies Corporation		4600
LS1240AD1013TR	STMicroelectronics		2500
LS1240A	STMicroelectronics	IC RINGER ELECTR 2TONE 8-MINIDIP	3400

Part Number

Manufacturer

Description

Stock

LS1240A.

D# 1132011

STMicroelectronics

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

LS1240A

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