LM317DCY is out of stock and can be placed on backorder.
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Linear Voltage Regulator IC Positive Adjustable 1 Output 1.5A SOT-223-4
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Adjustable 1 Output 1.5A SOT-223-4
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM317DCY

DigiKey Part Number
296-23224-5-ND
Manufacturer
Manufacturer Part Number
LM317DCY
Description
IC REG LIN POS ADJ 1.5A SOT223-4
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Adjustable 1 Output 1.5A SOT-223-4
Datasheet
 Datasheet
EDA/CAD Models
LM317DCY Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
10 mA
Packaging
Tube
PSRR
64dB ~ 57dB (120Hz)
Part Status
Active
Protection Features
Over Current, Over Temperature, Short Circuit
Output Configuration
Operating Temperature
0°C ~ 125°C
Output Type
Mounting Type
Surface Mount
Number of Regulators
1
Package / Case
TO-261-4, TO-261AA
Voltage - Input (Max)
40V
Supplier Device Package
SOT-223-4
Voltage - Output (Min/Fixed)
1.25V
Base Product Number
Voltage - Output (Max)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM317AEMP/NOPBTexas Instruments0LM317AEMP/NOPBTR-ND$2.85000Similar
LM317AEMPX/NOPBTexas Instruments0LM317AEMPX/NOPBTR-ND$2.44000Similar
LM317EMP/NOPBTexas Instruments0LM317EMP/NOPBTR-ND$2.12000Similar
LM317EMPX/NOPBTexas Instruments0LM317EMPX/NOPBTR-ND$1.53000Similar
LM317MBSTT3Gonsemi184,000LM317MBSTT3GOSTR-ND$0.46000Similar
In-Stock: 0
80 estimated in stock on 30-Nov-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$1.17000$1.17
10$0.84800$8.48
80$0.68988$55.19
160$0.65463$104.74
320$0.62556$200.18
560$0.60589$339.30
1,040$0.58746$610.96
2,560$0.56575$1,448.32
5,040$0.55269$2,785.56
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.