LM2940CS-12/NOPB is out of stock and can be placed on backorder.
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Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-263 (DDPAK-3)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-263 (DDPAK-3)
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM2940CS-12/NOPB

DigiKey Part Number
LM2940CS-12/NOPB-ND
Manufacturer
Manufacturer Product Number
LM2940CS-12/NOPB
Description
IC REG LINEAR 12V 1A TO263
Manufacturer Standard Lead Time
16 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-263 (DDPAK-3)
Datasheet
 Datasheet
EDA/CAD Models
LM2940CS-12/NOPB Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
10 mA
Packaging
Tube
Current - Supply (Max)
15 mA
Part Status
Active
PSRR
66dB (120Hz)
Output Configuration
Protection Features
Over Current, Over Temperature, Reverse Polarity, Short Circuit
Output Type
Operating Temperature
0°C ~ 125°C
Number of Regulators
1
Mounting Type
Surface Mount
Voltage - Input (Max)
26V
Package / Case
TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
Voltage - Output (Min/Fixed)
12V
Supplier Device Package
TO-263 (DDPAK-3)
Voltage Dropout (Max)
0.8V @ 1A
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (13)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UA7812CKTTRTexas Instruments3,309296-20798-1-ND$1.30000Similar
LM2940CS-12Texas Instruments7LM2940CS-12-ND$3.01000Parametric Equivalent
LM2940CSX-12Texas Instruments4,681296-LM2940CSX-12CT-ND$2.71000Parametric Equivalent
LM2940CSX-12/NOPBTexas Instruments0LM2940CSX-12/NOPBCT-ND$2.33000Parametric Equivalent
MIC29150-12WUMicrochip Technology0576-2207-ND$4.73000Similar
In-Stock: 0
45 estimated in stock on 04-Jan-2027
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$2.92000$2.92
10$2.18100$21.81
45$1.90022$85.51
135$1.75830$237.37
270$1.68889$456.00
540$1.63170$881.12
1,035$1.58727$1,642.82
2,520$1.53827$3,876.44
5,040$1.50775$7,599.06
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.