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Linear Voltage Regulator IC Negative Adjustable 1 Output 150mA SOT-223-4
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Negative Adjustable 1 Output 150mA SOT-223-4
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM317EMPX/NOPB

DigiKey Part Number
LM317EMPX/NOPBTR-ND - Tape & Reel (TR)
LM317EMPX/NOPBCT-ND - Cut Tape (CT)
LM317EMPX/NOPBDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM317EMPX/NOPB
Description
IC REG LIN POS ADJ 1.5A SOT223-4
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Negative Adjustable 1 Output 150mA SOT-223-4
Datasheet
 Datasheet
EDA/CAD Models
LM317EMPX/NOPB Models
Product Attributes
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Category
Current - Quiescent (Iq)
10 mA
Mfr
PSRR
15dB (1kHz)
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Control Features
Adj/EN
Part Status
Active
Protection Features
Antisaturation, Over Current, Over Temperature
Output Configuration
Operating Temperature
-20°C ~ 100°C
Output Type
Grade
Automotive
Number of Regulators
1
Qualification
AEC-Q100
Voltage - Input (Max)
150V
Mounting Type
Surface Mount
Voltage - Output (Min/Fixed)
15V
Package / Case
TO-261-4, TO-261AA
Voltage - Output (Max)
Supplier Device Package
SOT-223-4
Voltage Dropout (Max)
0.114V @ 20mA
Base Product Number
Current - Output
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (17)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM317MDCYRG3Texas Instruments2,919296-50353-2-ND$0.66000Similar
LM317AEMP/NOPBTexas Instruments0LM317AEMP/NOPBTR-ND$2.85000Similar
LM317DCYTexas Instruments0296-23224-5-ND$1.17000Similar
LM317DCYG3Texas Instruments0296-36104-5-ND$1.17000Similar
LM317DCYRTexas Instruments0296-12602-2-ND$0.75000Similar
In-Stock: 0
2,000 estimated in stock on 25-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.53000$1.53
10$1.11700$11.17
25$1.01400$25.35
100$0.90060$90.06
250$0.84656$211.64
500$0.81398$406.99
1,000$0.78715$787.15
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,000$0.78803$1,576.06
4,000$0.76931$3,077.24
6,000$0.75993$4,559.58
10,000$0.74955$7,495.50
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.