Name: LM2940SX-12
Brand: Texas Instruments
SKU: LM2940SX-12
Price: 2.7483 USD
Availability: InStock
Rating: 5 (169 reviews)

LM2940SX-12

For Reference Only

Part Number	LM2940SX-12
Manufacturer	Texas Instruments
Description	IC REG LIN 12V 1A DDPAK/TO263-3
Datasheet	LM2940SX-12 Specifications
Package	TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
ECAD
In Stock	2,800 piece(s)
Unit Price	$ 2.7483 *
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 20 - Apr 25 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LM2940SX-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 LM2940SX-12 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM2940SX-12 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM2940SX-12.

LM2940SX-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)	26V
Voltage - Output (Min/Fixed)	12V
Voltage - Output (Max)	-
Voltage Dropout (Max)	1V @ 1A
Current - Output	1A
Current - Quiescent (Iq)	-
Current - Supply (Max)	10mA ~ 15mA
PSRR	66dB (120Hz)
Control Features	-
Protection Features	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature	-40°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

LM2940SX-12 Reviews

Legacy*****handran

March 18, 2023

★ ★ ★ ★ ★

These did exactly what I needed them to do. Electricity only flows in one direction. Perfect.

Jerr*****neda

February 21, 2023

★ ★ ★ ★ ★

Worked as advertised and good price. Can you imagine buying these at local store it would cost way to much.

Stev*****rennan

February 20, 2023

★ ★ ★ ★ ★

You get the most update products online. You always give me the best choice.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

LM2940SX-12 Packaging

LM2940SX-12 FAQ

1. How to order LM2940SX-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 LM2940SX-12 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM2940SX-12. All suppliers must pass our qualification reviews before they can publish their products including LM2940SX-12 on Heisener; we pay more attention to the channels and quality of LM2940SX-12 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM2940SX-12 price and inventory displayed accurate?

The price and inventory of LM2940SX-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 LM2940SX-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 LM2940SX-12 we delivered, we will accept the replacement or return of the LM2940SX-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 LM2940SX-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 LM2940SX-12 pin diagram, LM2940SX-12 datasheet?

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

LM2940SX-12 Related Products

0805Y5000122KDR	Knowles Syfer, CAP CER 1200PF 500V X7R 0805, 0805 (2012 Metric), -	View
BYW81P-200	STMicroelectronics, DIODE GEN PURP 200V 15A TO220AC, TO-220-2, -	View
DC010NGC4	Honeywell Sensing and Productivity Solutions, SENSOR PRESS GAUGE 10" H2O 4SIP, 4-SIP Module, -	View
RWR89S2501BSBSL	Vishay Dale, RES 2.5K OHM 3W 0.1% WW AXIAL, Axial, -	View
RN55C2803FBSL	Vishay Dale, RES 280K OHM 1/8W 1% AXIAL, Axial, -	View
MBB02070C1373FC100	Vishay BC Components, RES 137K OHM 0.6W 1% AXIAL, Axial, -	View
SR0805MR-07390RL	Yageo, RES SMD 390 OHM 20% 1/8W 0805, 0805 (2012 Metric), -	View
CM453232-R39KL	Bourns Inc., FIXED IND 390NH 575MA 300 MOHM, 1812 (4532 Metric), -	View
FW-35-03-G-D-242-085-A	Samtec Inc., .050'' BOARD SPACERS, -, -	View
DW-08-20-L-D-750	Samtec Inc., .025" BOARD SPACERS, -, -	View
CA3100F22-21PF80F0	ITT Cannon, LLC, CONN RCPT HSNG MALE 3POS PNL MNT, -, -	View
D38999/20ZD19BC	Amphenol Aerospace Operations, CONN RCPT HSG FMALE 19POS PNL MT, -, -	View

LM2940SX-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
LM2940S-12 D# V99:2348_07271070	Texas Instruments	LDO Regulator Pos 12V 1A 4-Pin(3+Tab) DDPAK Tube RoHS: Not Compliant	0
LM2940SX-12 D# V36:1790_07271078	Texas Instruments	LDO Regulator Pos 12V 1A 4-Pin(3+Tab) DDPAK T/R RoHS: Not Compliant	0
LM2940S-12/NOPB D# V99:2348_07271071	Texas Instruments	LDO Regulator Pos 12V 1A 4-Pin(3+Tab) DDPAK Tube	0
LM2940SX-12/NOPB D# V72:2272_07271079	Texas Instruments	LDO Regulator Pos 12V 1A 4-Pin(3+Tab) DDPAK T/R	0

Part Number

Manufacturer

Description

Stock

LM2940S-12/NOPB

D# LM2940S-12/NOPB

Texas Instruments

LDO Regulator Pos 12V 1A 4-Pin(3+Tab) TO-263 Rail - Rail/Tube (Alt: LM2940S-12/NOPB)

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
LM2940S-12/NOPB	National Semiconductor Corporation		129
LM2940S-12	National Semiconductor Corporation		90
LM2940SX-12	National Semiconductor Corporation		8

Part Number	Manufacturer	Description	Stock
LM2940SX-12/NOPB	Texas Instruments	Linear Voltage Regulator IC, Dropout Voltage, Vdo:0.5V, Input Voltage Primary Max:26V, Operating Temperature Range:-55C to +125C, Output Current Max:1000mA, Output Voltage:12V, Output Voltage Adjustable Min, Vout:12V , RoHS Compliant: Yes	0
LM2940S-12/NOPB	Texas Instruments	IC, REG, LDO, 12V, 1A, TO263	385
LM2940S-12	Texas Instruments	IC, REG, LDO, 12V, 1A, TO263	385
LM2940SX-12	Texas Instruments	Linear Voltage Regulator IC, Dropout Voltage, Vdo:0.5V, Input Voltage Primary Max:26V, Operating Temperature Range:-55C to +125C, Output Current Max:1000mA, Output Voltage:12V, Output Voltage Adjustable Min, Vout:12V , RoHS Compliant: Yes	0

Part Number

Manufacturer

Description

Stock

LM2940S-12/NOPB

D# C1S746202759464

Texas Instruments

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

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Tube

LM2940SX-12/NOPB

D# C1S746203170859

Texas Instruments

LDO Regulator Pos 12V 1A 4-Pin(3+Tab) TO-263 T/R

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Cut Tape

Part Number

Manufacturer

Description

Stock

LM2940SX-12/NOPB

Texas Instruments

Fixed 26V 12V 1V @ 1A TO-263-3 Dropout Regulators(LDO) RoHS

1511

Part Number	Manufacturer	Description	Stock
LM2940S-12/NOPB D# LM2940S-12/NOPB-ND	Texas Instruments	IC REG LIN 12V 1A DDPAK/TO263-3	594
LM2940SX-12/NOPB D# LM2940SX-12/NOPBCT-ND	Texas Instruments	IC REG LIN 12V 1A DDPAK/TO263-3	3487
LM2940SX-12 D# 296-LM2940SX-12CT-ND	Texas Instruments	IC REG LIN 12V 1A DDPAK/TO263-3	490

Part Number

Manufacturer

Description

Stock

LM2940S-12

D# LM2940S-12

National Semiconductor Corporation

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

959

Part Number	Manufacturer	Description	Stock
LM2940S-12/NOPB	National Semiconductor Corporation	In stock shipping within 2days	358
LM2940S-12	National Semiconductor Corporation	In stock shipping within 2days	782
LM2940SX-12	National Semiconductor Corporation	In stock shipping within 2days	782

Part Number

Manufacturer

Description

Stock

LM2940S-12/NOPB

D# 3122077

Texas Instruments

IC, REG, LDO, 12V, 1A, TO263

RoHS: Compliant

Min Qty: 1

Container: Each

465

LM2940SX-12/NOPB

D# 3122079RL

Texas Instruments

LDO, FIXED, 5V, 0.5A, TO-263-3

RoHS: Compliant

Min Qty: 1

Container: Reel

Part Number

Manufacturer

Description

Stock

LM2940S-12/NOPB

Texas Instruments

Available

2048

Part Number	Manufacturer	Description	Stock
LM2940S-12	National Semiconductor Corporation	NEW AND ORGINAL. ISRAEL W.HOUSE	263
LM2940SX-12	National Semiconductor Corporation	NEW AND ORGINAL. ISRAEL W.HOUSE	263
LM2940SX-12/NOPB	National 1	NEW AND ORGINAL. ISRAEL W.HOUSE	263
LM2940S-12/NOPB	NATIONAL 1	NEW AND ORGINAL. ISRAEL W.HOUSE	263

Part Number

Manufacturer

Description

Stock

LM2940SX12

National Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

777

LM2940SX12NOPB

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

1160

Part Number

Manufacturer

Description

Stock

LM2940SX12

Texas Instruments

OEM/CM ONLY

327

LM2940SX12NOPB

Texas Instruments

OEM/CM ONLY

757

Part Number

Manufacturer

Description

Stock

LM2940S-12/NOPB

National Semiconductor Corporation

In Stock

Part Number

Manufacturer

Description

Stock

LM2940SX-12/NOPB

D# C131916

Texas Instruments

1511

Part Number

Manufacturer

Description

Stock

LM2940S-12

National Semiconductor Corporation

in stock - can ship the same day

Part Number

Manufacturer

Description

Stock

LM2940S-12

National Semiconductor Corporation

OEM/CM Immediate delivery

842

LM2940SX-12

National Semiconductor Corporation

OEM/CM Immediate delivery

1416

Part Number	Manufacturer	Description	Stock
LM2940S-12 D# 926-LM2940S-12	Texas Instruments	LDO Voltage Regulators RoHS: Not Compliant	90
LM2940SX-12 D# 926-LM2940SX-12	Texas Instruments	LDO Voltage Regulators RoHS: Not Compliant	100
LM2940S-12/NOPB D# 926-LM2940S-12/NOPB	Texas Instruments	LDO Voltage Regulators 1A LDO REG RoHS: Compliant	549
LM2940SX-12/NOPB D# 926-LM2940SX-12/NOPB	Texas Instruments	LDO Voltage Regulators RoHS: Compliant	2698

Part Number

Manufacturer

Description

Stock

LM2940SX-12/NOPB

D# 26AJ7239

Texas Instruments

LDO, FIXED, 5V, 0.5A, TO-263-3, Output Type:Fixed, Input Voltage Min:6V, Input Voltage Max:26V, Fixed Output Voltage Nom.:12V, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:1A, Dropout Voltage RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

LM2940S-12/NOPB

D# 33AH4137

Texas Instruments

IC, REG, LDO, 12V, 1A, TO263, Output Type:Fixed, Input Voltage Min:0V, Input Voltage Max:26V, Fixed Output Voltage Nom.:12V, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:1A, Dropout Voltage RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

465

Part Number	Manufacturer	Description	Stock
LM2940SX-12 D# NS-LM2940SX-12	Texas Instruments	OEM/CM ONLY	2133
LM2940S-12/NOPB D# NS-LM2940S-12/NOPB	Texas Instruments	OEM/CM ONLY	7825
LM2940S-12 D# NS-LM2940S-12	Texas Instruments	OEM/CM ONLY	6492
LM2940SX-12/NOPB D# NS-LM2940SX-12/NOPB	Texas Instruments	OEM/CM ONLY	7487

Part Number	Manufacturer	Description	Stock
LM2940S-12	National Semiconductor Corporation	Voltage Regulator, +12V, Bi-Polar, 3 Pin, Plastic, SIP	11
LM2940SX-12/NOPB	Texas Instruments		106
LM2940S-12/NOPB	Texas Instruments	Voltage Regulator, +12V, Bi-Polar, 3 Pin, Plastic, SIP	106
LM2940SX-12	National Semiconductor Corporation		134

Part Number	Manufacturer	Description	Stock
LM2940S-12	Texas Instruments	LM2940-N 1A Low Dropout Regulator RoHS: Not Compliant	7400
LM2940SX-12/NOPB	National Semiconductor Corporation	LM2940-N 1A Low Dropout Regulator RoHS: Compliant	128
LM2940SX-12	Texas Instruments	LM2940-N 1A Low Dropout Regulator RoHS: Not Compliant	125

Part Number

Manufacturer

Description

Stock

LM2940SX12

National Semiconductor Corporation

OEM/CM ONLY

735

LM2940SX12/NOPB

National Semiconductor Corporation

OEM/CM ONLY

914

Part Number

Manufacturer

Description

Stock

LM2940SX-12

National Semiconductor Corporation

IN stock Immediate delivery

1431

LM2940S-12

National Semiconductor Corporation

IN stock Immediate delivery

837

Part Number

Manufacturer

Description

Stock

LM2940SX-12/NOPB

Texas Instruments

1-A, 26-V, high-PSRR, low-dropout voltage regulator

LM2940S-12/NOPB

Texas Instruments

1-A, 26-V, high-PSRR, low-dropout voltage regulator

Part Number

Manufacturer

Description

Stock

LM2940S-12

National Semiconductor Corporation

shipping today

516

LM2940SX-12

National Semiconductor Corporation

shipping today

1853

Part Number

Manufacturer

Description

Stock

LM2940SX-12/NOPB

D# 53360077

Texas Instruments

LDO Regulator Pos 12V 1A 4-Pin(3+Tab) DDPAK T/R

LM2940S-12

D# 34863792

Texas Instruments

LDO Regulator Pos 12V 1A 4-Pin(3+Tab) DDPAK Tube

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
LM2940SX-12/NOPB	Texas Instruments	RFQ	6258
LM2940S-12/NOPB	Texas Instruments	RFQ	6982
LM2940S-12	National Semiconductor Corporation	RFQ	14123
LM2940SX-12	mfr	RFQ	537

Part Number

Manufacturer

Description

Stock

LM2940SX-12

Texas Instruments

LM2940-N/LM2940C 1A Low Dropout Regulator | IC REG LIN 12V 1A DDPAK/TO263-3

14283

LM2940S-12/NOPB

Texas Instruments

IC REG LDO 12V 1A DDPAK

870

Part Number

Manufacturer

Description

Stock

LM2940S-12/NOPB

D# 3122077

Texas Instruments

IC, REG, LDO, 12V, 1A, TO263

RoHS: Compliant

Min Qty: 1

Container: Each

465

LM2940SX-12/NOPB

D# 3122079

Texas Instruments

LDO, FIXED, 5V, 0.5A, TO-263-3

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

Quick Inquiry

LM2940SX-12

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS