LM2940CS-12 is Obsolete and no longer manufactured.
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Texas Instruments
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Unit Price: 2,19000 €
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Microchip Technology
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Unit Price: 3,99000 €
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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

DigiKey Part Number
LM2940CS-12-ND
Manufacturer
Manufacturer Product Number
LM2940CS-12
Description
IC REG LINEAR 12V 1A TO263
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-263 (DDPAK-3)
Datasheet
 Datasheet
EDA/CAD Models
LM2940CS-12 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
Obsolete
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 (9)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM2940CS-12/NOPBTexas Instruments0LM2940CS-12/NOPB-ND2,19000 €Direct
MIC29150-12WUMicrochip Technology0576-2207-ND3,99000 €Similar
MIC29150-12WU-TRMicrochip Technology0MIC29150-12WU-CT-ND3,99000 €Similar
MIC29300-12WUMicrochip Technology0576-2222-ND3,76000 €Similar
MIC29300-12WU-TRMicrochip Technology0MIC29300-12WU-CT-ND3,76000 €Similar
Obsolete
This product is no longer manufactured. View Substitutes or Alternative Package Types