Name: LM340SX-12
Brand: Texas Instruments
SKU: LM340SX-12
Price: 1.008 USD
Availability: InStock
Rating: 5 (139 reviews)

LM340SX-12

For Reference Only

Part Number	LM340SX-12
Manufacturer	Texas Instruments
Description	IC REG LIN 12V 1A DDPAK/TO263-3
Datasheet	LM340SX-12 Specifications
Package	TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
ECAD
In Stock	161,472 piece(s)
Unit Price	$ 1.0080 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 15 - May 20 (Choose Expedited Shipping)
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Part Number # LM340SX-12 (PMIC - Voltage Regulators - Linear) is manufactured by Texas Instruments 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 LM340SX-12 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM340SX-12 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM340SX-12.

LM340SX-12 Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - Linear
Package	TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
ECAD
Series	-
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	27V
Voltage - Output (Min/Fixed)	12V
Voltage - Output (Max)	-
Voltage Dropout (Max)	2V @ 1A
Current - Output	1A
Current - Quiescent (Iq)	-
Current - Supply (Max)	8mA
PSRR	80dB (120Hz)
Control Features	-
Protection Features	Over Temperature, Short Circuit
Operating Temperature	0°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
Supplier Device Package	DDPAK/TO-263-3

LM340SX-12 Reviews

Son*****Weeks

March 28, 2023

★ ★ ★ ★ ★

Purchasing from Heisener means the real part is obtained no worried for product quality.

Paig*****ields

March 22, 2023

★ ★ ★ ★ ★

Great deal, immediate response and very quick delivery!

Lyle*****loway

March 14, 2023

★ ★ ★ ★ ★

Work Great. Would recommend. Only used 2. So I have 248 extras. Best deal by far that's why I got these.

Elli***** Johal

March 12, 2023

★ ★ ★ ★ ★

These are a great value at this price.

Bentl*****adford

March 7, 2023

★ ★ ★ ★ ★

I recently became very interested in electronics and I have used several of them. They work great.

Tomm*****rker

March 6, 2023

★ ★ ★ ★ ★

These little guys worked perfect for my wiring project. Reliable, good quality.

Pao*****Meka

February 25, 2023

★ ★ ★ ★ ★

Competitive prices, fast/cheap shipping, easy find my desired items, powerful online business what I need to do are a few clicks!

Dash*****rotra

February 24, 2023

★ ★ ★ ★ ★

All of the components worked, and are still working. So even though the price is amazingly low, the diodes really do work!

Saanv*****katesh

February 21, 2023

★ ★ ★ ★ ★

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

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LM340SX-12 Packaging

LM340SX-12 FAQ

1. How to order LM340SX-12 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 LM340SX-12 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM340SX-12. All suppliers must pass our qualification reviews before they can publish their products including LM340SX-12 on Heisener; we pay more attention to the channels and quality of LM340SX-12 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM340SX-12 price and inventory displayed accurate?

The price and inventory of LM340SX-12 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 LM340SX-12?

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 LM340SX-12 we delivered, we will accept the replacement or return of the LM340SX-12 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 LM340SX-12.

(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 LM340SX-12 pin diagram, LM340SX-12 datasheet?

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

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LM340SX-12 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

LM340S-12/NOPB

D# V99:2348_07274765

Texas Instruments

Standard Regulator Pos 12V 1.5A 4-Pin(3+Tab) DDPAK Tube

LM340SX-12/NOPB

D# V72:2272_07274768

Texas Instruments

Standard Regulator Pos 12V 1.5A 4-Pin(3+Tab) DDPAK T/R

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

National Semiconductor Corporation

Part Number	Manufacturer	Description	Stock
LM340SX-12	Texas Instruments	Linear Voltage Regulator IC, Input Voltage Primary Max:35V, Operating Temperature Range:0C to +70C, Output Current Max:1000mA, Output Voltage:12V, Package/Case:5-TO-263, Peak Reflow Compatible (260 C):Yes , RoHS Compliant: Yes	0
LM340S-12/NOPB	Texas Instruments	- Rail/Tube	5001
LM340SX-12/NOPB	Texas Instruments	Linear Voltage Regulator IC, Input Voltage Primary Max:35V, Operating Temperature Range:0C to +70C, Output Current Max:1000mA, Output Voltage:12V, Package/Case:5-TO-263, Peak Reflow Compatible (260 C):Yes , RoHS Compliant: Yes	0

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

D# C1S746202762130

Texas Instruments

Standard Regulator Pos 12V 1A 4-Pin(3+Tab) TO-263 Tube

RoHS: Not Compliant

pbFree: Yes

Min Qty: 1

Container: Tube

Part Number

Manufacturer

Description

Stock

LM340SX12NOPB

National Semiconductor Corporation

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
LM340S-12/NOPB D# LM340S-12/NOPB-ND	Texas Instruments	IC REG LIN 12V 1.5A DDPAK/TO263	1598
LM340SX-12/NOPB D# LM340SX-12/NOPBTR-ND	Texas Instruments	IC REG LIN 12V 1.5A DDPAK/TO263	3319
LM340SX-12 D# 2156-LM340SX-12-ND	Rochester Electronics LLC	IC REG LIN 12V 1A DDPAK/TO263-3	482

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

National Semiconductor Corporation

In stock shipping within 2days

887

LM340SX-12

National Semiconductor Corporation

In stock shipping within 2days

5860

Part Number

Manufacturer

Description

Stock

LM340SX-12/NOPB

D# 3122713

Texas Instruments

LINEAR VOLT REG, 12V, 1.5A, TO-263-5

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

Part Number	Manufacturer	Description	Stock
LM340SX12NOPB	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	8120
LM340SX12N0PB	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	23
LM340SX12	N	OEM/CM QUOTES ONLY \| NO BROKERS	18238

Part Number	Manufacturer	Description	Stock
LM340SX12	Texas Instruments	OEM/CM ONLY	1884
LM340SX12NOPB	Texas Instruments	OEM/CM ONLY	156
LM340SX12LM340SX12NOPB	Texas Instruments	OEM/CM ONLY	550
LM340SX12LM340SX12NO	Texas Instruments	OEM/CM ONLY	114

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

Texas Instruments

In Stock

Part Number

Manufacturer

Description

Stock

LM340SX-12

National Semiconductor Corporation

OEM/CM Immediate delivery

1308

LM340SX-12/NOPB

Texas Instruments

OEM/CM Immediate delivery

314

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

D# 926-LM340S-12/NOPB

Texas Instruments

Linear Voltage Regulators 3-TERMINAL POS REG

RoHS: Compliant

765

LM340SX-12/NOPB

D# 926-LM340SX-12/NOPB

Texas Instruments

Linear Voltage Regulators

RoHS: Compliant

2396

Part Number

Manufacturer

Description

Stock

LM340SX-12/NOPB

D# 26AJ7258

Texas Instruments

LINEAR VOLT REG, 12V, 1.5A, TO-263-5 ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

Part Number	Manufacturer	Description	Stock
LM340SX-12/NOPB D# NS-LM340SX-12/NOPB	Texas Instruments	OEM/CM ONLY	4752
LM340SX-12 D# NS-LM340SX-12	Texas Instruments	OEM/CM ONLY	4669
LM340S-12/NOPB D# NS-LM340S-12/NOPB	Texas Instruments	OEM/CM ONLY	4914

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

National Semiconductor Corporation

Voltage Regulator, +12V, Bi-Polar, 3 Pin, Plastic, SIP

Part Number

Manufacturer

Description

Stock

LM340SX-12

D# LM340SX-12

National Semiconductor Corporation

Semiconductor

413

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

D# 5359357P

Texas Instruments

Texas Instruments, 12 V Linear Voltage Regulator, 1A, 1-Channel, 2% 3-Pin, D2PAK LM340S-12/NOPB, TU

Min Qty: 5

Container: Tube

216

Part Number	Manufacturer	Description	Stock
LM340SX-12/NOPB	Texas Instruments	LM340 1.5A, Fixed Output Linear Regulator RoHS: Compliant	140
LM340SX-12	National Semiconductor Corporation	Fixed Positive Standard Regulator, 12VBIPolar, PSSO3 RoHS: Not Compliant	482
LM340S-12/NOPB	Texas Instruments	LM340 1.5A, Fixed Output Linear Regulator RoHS: Compliant	1325

Part Number

Manufacturer

Description

Stock

LM340SX12

National Semiconductor Corporation

OEM/CM ONLY

21466

LM340SX12NOPB

National Semiconductor Corporation

OEM/CM ONLY

765

Part Number

Manufacturer

Description

Stock

LM340SX-12/NOPB

Texas Instruments

IN stock Immediate delivery

309

LM340SX-12

National Semiconductor Corporation

IN stock Immediate delivery

1323

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

Texas Instruments

1.5-A, 35-V, linear voltage regulator

LM340SX-12/NOPB

Texas Instruments

1.5-A, 35-V, linear voltage regulator

Part Number

Manufacturer

Description

Stock

LM340SX-12/NOPB

Conexant Systems Inc

shipping today

4235

LM340SX-12

National Semiconductor Corporation

shipping today

1392

Part Number

Manufacturer

Description

Stock

LM340S-12/NOPB

D# 50583133

Texas Instruments

Standard Regulator Pos 12V 1.5A 4-Pin(3+Tab) DDPAK Tube

LM340SX-12/NOPB

D# 52881749

Texas Instruments

Standard Regulator Pos 12V 1.5A 4-Pin(3+Tab) DDPAK T/R

Part Number

Manufacturer

Description

Stock

LM340SX-12/NOPB

Texas Instruments

RFQ

4262

LM340S-12/NOPB

Texas Instruments

RFQ

11426

Part Number

Manufacturer

Description

Stock

LM340SX-12/NOPB

D# 3122713

Texas Instruments

LINEAR VOLT REG, 12V, 1.5A, TO-263-5

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

Quick Inquiry

LM340SX-12

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