LP2981A-33DBVR is out of stock and can be placed on backorder.
Available Substitutes:

Similar


Texas Instruments
In Stock: 7,780
Unit Price: $1.28000
Datasheet

Similar


Texas Instruments
In Stock: 7,117
Unit Price: $1.10000
Datasheet

Similar


Texas Instruments
In Stock: 2,505
Unit Price: $1.28000
Datasheet

Similar


Texas Instruments
In Stock: 371
Unit Price: $1.20000
Datasheet

Similar


STMicroelectronics
In Stock: 17,808
Unit Price: $0.79000
Datasheet

Similar


STMicroelectronics
In Stock: 8,474
Unit Price: $0.69000
Datasheet
Linear Voltage Regulator IC Positive Fixed 1 Output 100mA SOT-23-5
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-23-5
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LP2981A-33DBVR

DigiKey Part Number
296-17361-2-ND - Tape & Reel (TR)
296-17361-1-ND - Cut Tape (CT)
296-17361-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LP2981A-33DBVR
Description
IC REG LINEAR 3.3V 100MA SOT23-5
Manufacturer Standard Lead Time
20 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 100mA SOT-23-5
Datasheet
 Datasheet
EDA/CAD Models
LP2981A-33DBVR Models
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Current - Quiescent (Iq)
95 µA
Mfr
Current - Supply (Max)
1.7 mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
PSRR
63dB (1kHz)
Part Status
Active
Control Features
Enable
Output Configuration
Protection Features
Over Current, Over Temperature, Short Circuit
Output Type
Operating Temperature
-40°C ~ 125°C
Number of Regulators
1
Mounting Type
Surface Mount
Voltage - Input (Max)
16V
Package / Case
SC-74A, SOT-753
Voltage - Output (Min/Fixed)
3.3V
Supplier Device Package
SOT-23-5
Voltage Dropout (Max)
0.37V @ 100mA
Base Product Number
Current - Output
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LP2981IM5X-3.3/NOPBTexas Instruments7,780LP2981IM5X-3.3/NOPBTR-ND$1.28000Similar
LP2981IM5-3.3/NOPBTexas Instruments7,117LP2981IM5-3.3/NOPBTR-ND$1.10000Similar
LP2981AIM5-3.3/NOPBTexas Instruments2,505LP2981AIM5-3.3/NOPBTR-ND$1.28000Similar
LP2981AIM5X-3.3/NOPBTexas Instruments371LP2981AIM5X-3.3/NOPBTR-ND$1.20000Similar
LD2981ABM33TRSTMicroelectronics17,808497-1521-2-ND$0.79000Similar
In-Stock: 0
3,000 expected in stock on 14-Dec-2026
Request Stock Notification
Marketplace Stock: 432 View Now
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.64000$0.64
10$0.45400$4.54
25$0.40680$10.17
100$0.35510$35.51
250$0.33036$82.59
500$0.31550$157.75
1,000$0.30324$303.24
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.28811$864.33
6,000$0.28070$1,684.20
9,000$0.27700$2,493.00
15,000$0.27289$4,093.35
21,000$0.27049$5,680.29
30,000$0.26818$8,045.40
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.

Other Suppliers on DigiKey

432In Stock
Ships from Rochester Electronics, LLC