LD2981ABU33TR is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


STMicroelectronics
In Stock: 0
Unit Price: $0.63000
Datasheet
Linear Voltage Regulator IC Positive Fixed 1 Output 100mA SOT-89-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Fixed 1 Output 100mA SOT-89-3
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LD2981ABU33TR

DigiKey Part Number
497-1524-2-ND - Tape & Reel (TR)
497-1524-1-ND - Cut Tape (CT)
497-1524-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LD2981ABU33TR
Description
IC REG LINEAR 3.3V 100MA SOT89-3
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 100mA SOT-89-3
Datasheet
 Datasheet
EDA/CAD Models
LD2981ABU33TR Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
150 µA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Supply (Max)
2.6 mA
Part Status
Active
PSRR
63dB (1kHz)
Output Configuration
Protection Features
Over Current, Over Temperature
Output Type
Operating Temperature
-40°C ~ 125°C
Number of Regulators
1
Mounting Type
Surface Mount
Voltage - Input (Max)
16V
Package / Case
TO-243AA
Voltage - Output (Min/Fixed)
3.3V
Supplier Device Package
SOT-89-3
Voltage Dropout (Max)
0.375V @ 100mA
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LD2981CU33TRSTMicroelectronics0497-3483-2-ND$0.63000Parametric Equivalent
In-Stock: 0
2,500 estimated in stock on 07-Jan-2027
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.58000$0.58
10$0.41200$4.12
25$0.36920$9.23
100$0.32190$32.19
250$0.29928$74.82
500$0.28566$142.83
1,000$0.27444$274.44
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$0.26260$656.50
5,000$0.25546$1,277.30
7,500$0.25188$1,889.10
12,500$0.24792$3,099.00
17,500$0.24561$4,298.18
25,000$0.24338$6,084.50
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