LM2940SX-5.0/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

LM2940SX-5.0/NOPB

DigiKey Part Number
LM2940SX-5.0/NOPBTR-ND - Tape & Reel (TR)
LM2940SX-5.0/NOPBCT-ND - Cut Tape (CT)
LM2940SX-5.0/NOPBDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM2940SX-5.0/NOPB
Description
IC REG LINEAR 5V 1A TO263
Manufacturer Standard Lead Time
18 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-263 (DDPAK-3)
Datasheet
 Datasheet
EDA/CAD Models
LM2940SX-5.0/NOPB Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
10 mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Supply (Max)
15 mA
Part Status
Active
PSRR
64dB (120Hz)
Output Configuration
Protection Features
Over Current, Over Temperature, Reverse Polarity, Short Circuit
Output Type
Operating Temperature
-40°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)
5V
Supplier Device Package
TO-263 (DDPAK-3)
Voltage Dropout (Max)
1V @ 1A
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (12)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UA7805CKTTRTexas Instruments0296-20796-2-ND$1.07000Similar
MIC29150-5.0WUMicrochip Technology0576-1107-ND$4.73000Similar
MIC29150-5.0WU-TRMicrochip Technology0MIC29150-5.0WU-TR-ND$4.73000Similar
MIC29300-5.0WUMicrochip Technology0576-1122-ND$4.68000Similar
MIC29300-5.0WU-TRMicrochip Technology0MIC29300-5.0WU-TR-ND$4.68000Similar
In-Stock: 0
500 estimated in stock on 26-Apr-2027
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$2.42000$2.42
10$1.79700$17.97
25$1.64120$41.03
100$1.46990$146.99
250$1.38824$347.06
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
500$1.33900$669.50
1,000$1.29849$1,298.49
1,500$1.27819$1,917.28
2,500$1.25572$3,139.30
3,500$1.24258$4,349.03
5,000$1.22995$6,149.75
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.