LM317MBSTT3G is out of stock and can be placed on backorder.
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Linear Voltage Regulator IC Positive Adjustable 1 Output 500mA SOT-223 (TO-261)
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 (TO-261)
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM317MBSTT3G

DigiKey Part Number
LM317MBSTT3GOSTR-ND - Tape & Reel (TR)
LM317MBSTT3GOSCT-ND - Cut Tape (CT)
LM317MBSTT3GOSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM317MBSTT3G
Description
IC REG LIN POS ADJ 500MA SOT-223
Manufacturer Standard Lead Time
8 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Adjustable 1 Output 500mA SOT-223 (TO-261)
Datasheet
 Datasheet
EDA/CAD Models
LM317MBSTT3G 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
Active
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 (TO-261)
Voltage - Output (Min/Fixed)
1.2V
Base Product Number
Voltage - Output (Max)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (8)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM317AEMP/NOPBTexas Instruments0LM317AEMP/NOPBTR-ND$2.85000Similar
LM317AEMPX/NOPBTexas Instruments0LM317AEMPX/NOPBTR-ND$2.44000Similar
LM317DCYTexas Instruments0296-23224-5-ND$1.17000Similar
LM317DCYG3Texas Instruments0296-36104-5-ND$1.17000Similar
LM317DCYRTexas Instruments0296-12602-2-ND$0.75000Similar
In-Stock: 0
4,000 estimated in stock on 19-Nov-2026
Request Stock Notification
Marketplace Stock: 184,000 View Now
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.43000$0.43
10$0.30100$3.01
25$0.26840$6.71
100$0.23270$23.27
250$0.21552$53.88
500$0.20518$102.59
1,000$0.19668$196.68
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
4,000$0.18392$735.68
8,000$0.17918$1,433.44
12,000$0.17680$2,121.60
20,000$0.17417$3,483.40
28,000$0.17263$4,833.64
40,000$0.17115$6,846.00
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.

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