LM317MQDCYRG4 is Discontinued and no longer carried by DigiKey.
Available Substitutes:

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Linear Voltage Regulator IC Positive Adjustable 1 Output 500mA 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 500mA SOT-223-4
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM317MQDCYRG4

DigiKey Part Number
296-23127-2-ND - Tape & Reel (TR)
296-23127-1-ND - Cut Tape (CT)
296-23127-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM317MQDCYRG4
Description
IC REG LINEAR POS ADJ SOT-223-4
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Adjustable 1 Output 500mA SOT-223-4
Datasheet
 Datasheet
EDA/CAD Models
LM317MQDCYRG4 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®
PSRR
80dB ~ 65dB (120Hz)
Part Status
Discontinued at DigiKey
Protection Features
Over Current, Over Temperature, Short Circuit
Output Configuration
Operating Temperature
-40°C ~ 125°C (TJ)
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
LM317MQDCYRTexas Instruments0296-15185-1-ND$5.22000MFR Recommended
LM317AEMP/NOPBTexas Instruments0LM317AEMP/NOPBCT-ND$23.25000Similar
LM317AEMPX/NOPBTexas Instruments0LM317AEMPX/NOPBCT-ND$19.91000Similar
LM317EMP/NOPBTexas Instruments0LM317EMP/NOPBCT-ND$17.30000Similar
LM317EMPX/NOPBTexas Instruments0LM317EMPX/NOPBCT-ND$12.48000Similar
Discontinued
This product is no longer carried by DigiKey. View Substitutes
All prices are in HKD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$7.75000$7.75
* All Digi-Reel orders will add a $55.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$3.64444$9,111.10
5,000$3.55428$17,771.40
7,500$3.50913$26,318.47
12,500$3.45910$43,238.75
17,500$3.42985$60,022.38
Manufacturers Standard Package