LM317TG is out of stock and can be placed on backorder.
Available Substitutes:

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Texas Instruments
In Stock: 0
Unit Price: $0.97000
Datasheet

Direct


Texas Instruments
In Stock: 0
Unit Price: $0.97000
Datasheet

Similar


Texas Instruments
In Stock: 0
Unit Price: $2.57000
Datasheet

Direct


MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.69617
Datasheet

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STMicroelectronics
In Stock: 0
Unit Price: $0.56000
Datasheet

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STMicroelectronics
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Unit Price: $0.84000
Datasheet
Linear Voltage Regulator IC Positive Adjustable 1 Output 1.5A TO-220
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 TO-220
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM317TG

DigiKey Part Number
LM317TGOS-ND
Manufacturer
Manufacturer Product Number
LM317TG
Description
IC REG LINEAR POS ADJ 1.5A TO220
Manufacturer Standard Lead Time
7 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Adjustable 1 Output 1.5A TO-220
Datasheet
 Datasheet
EDA/CAD Models
LM317TG Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
10 mA
Packaging
Tube
PSRR
80dB ~ 65dB (120Hz)
Part Status
Active
Protection Features
Over Current, Over Temperature, Short Circuit
Output Configuration
Operating Temperature
0°C ~ 125°C
Output Type
Mounting Type
Through Hole
Number of Regulators
1
Package / Case
TO-220-3
Voltage - Input (Max)
40V
Supplier Device Package
TO-220
Voltage - Output (Min/Fixed)
1.2V
Base Product Number
Voltage - Output (Max)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM317KCSTexas Instruments0296-13869-5-ND$0.97000Direct
LM317KCSE3Texas Instruments0296-21576-5-ND$0.97000Direct
LM317AT/NOPBTexas Instruments0LM317AT/NOPB-ND$2.57000Similar
LM317T-BPMCC (Micro Commercial Components)0353-LM317T-BP-ND$0.69617Direct
LM317TSTMicroelectronics0497-1575-5-ND$0.56000Direct
Available To Order
Factory Stock: 44,050
50 estimated in stock on 20-Nov-2026

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Tube
QuantityUnit PriceExt Price
1$0.77000$0.77
10$0.54900$5.49
50$0.46060$23.03
100$0.43310$43.31
250$0.40396$100.99
500$0.38644$193.22
1,000$0.37200$372.00
2,500$0.35676$891.90
5,000$0.34757$1,737.85
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.