LM2937ET-3.3/NOPB is out of stock and can be placed on backorder.
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Linear Voltage Regulator IC Positive Fixed 1 Output 500mA TO-220-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA TO-220-3
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM2937ET-3.3/NOPB

DigiKey Part Number
LM2937ET-3.3/NOPB-ND
Manufacturer
Manufacturer Product Number
LM2937ET-3.3/NOPB
Description
IC REG LINEAR 3.3V 500MA TO220-3
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA TO-220-3
Datasheet
 Datasheet
EDA/CAD Models
LM2937ET-3.3/NOPB Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
10 mA
Packaging
Tube
Current - Supply (Max)
20 mA
Part Status
Active
Protection Features
Mirror-Image Insertion, Over Temperature, Short Circuit, Transient Voltage
Output Configuration
Operating Temperature
-40°C ~ 125°C (TJ)
Output Type
Mounting Type
Through Hole
Number of Regulators
1
Package / Case
TO-220-3
Voltage - Input (Max)
26V
Supplier Device Package
TO-220-3
Voltage - Output (Min/Fixed)
3.3V
Base Product Number
Voltage Dropout (Max)
1V @ 500mA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MIC29150-3.3WTMicrochip Technology0576-1104-ND$4.73000Similar
MIC2920A-3.3WTMicrochip Technology0576-2219-ND$3.70000Similar
MIC29300-3.3WTMicrochip Technology0576-1119-ND$4.68000Similar
MIC2937A-3.3WTMicrochip Technology0576-2235-ND$3.02000Similar
MIC2940A-3.3WTMicrochip Technology0576-1134-ND$2.89000Similar
In-Stock: 0
45 estimated in stock on 06-Nov-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$1.97000$1.97
10$1.45300$14.53
45$1.25667$56.55
135$1.15719$156.22
270$1.10848$299.29
540$1.06841$576.94
1,035$1.03726$1,073.56
2,520$1.00290$2,527.31
5,040$0.98150$4,946.76
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. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.