LM317T/NOPB is out of stock and can be placed on backorder.
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Texas Instruments
In Stock: 6,692
Unit Price: $3.00000
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Texas Instruments
In Stock: 4,235
Unit Price: $1.39000
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Texas Instruments
In Stock: 946
Unit Price: $1.39000
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STMicroelectronics
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Unit Price: $1.13000
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STMicroelectronics
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Linear Voltage Regulator IC Positive Adjustable 1 Output 1.5A TO-220-3
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-220-3
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM317T/NOPB

DigiKey Part Number
LM317TNS/NOPB-ND
Manufacturer
Manufacturer Product Number
LM317T/NOPB
Description
IC REG LIN POS ADJ 1.5A TO220-3
Manufacturer Standard Lead Time
16 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Adjustable 1 Output 1.5A TO-220-3
Datasheet
 Datasheet
EDA/CAD Models
LM317T/NOPB Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
10 mA
Packaging
Tube
PSRR
64dB (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)
37V
Supplier Device Package
TO-220-3
Voltage - Output (Min/Fixed)
1.25V
Base Product Number
Voltage - Output (Max)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (8)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM317AT/NOPBTexas Instruments6,692LM317AT/NOPB-ND$3.00000Direct
LM317KCSTexas Instruments4,235296-13869-5-ND$1.39000Direct
LM317KCSE3Texas Instruments946296-21576-5-ND$1.39000Direct
LM317TSTMicroelectronics17,260497-1575-5-ND$1.13000Direct
LM217TSTMicroelectronics1,001497-1543-5-ND$1.64000Similar
In-Stock: 0
45 expected in stock on 15-Sep-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$2.31000$2.31
10$1.71000$17.10
45$1.48222$66.70
135$1.36719$184.57
270$1.31089$353.94
540$1.28591$694.39
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. Tariff costs are calculated and will be displayed in the shopping cart.