Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-223-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-223-3
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LT1121CST-3.3#TRPBF

DigiKey Part Number
LT1121CST-3.3#TRPBFTR-ND - Tape & Reel (TR)
LT1121CST-3.3#TRPBFCT-ND - Cut Tape (CT)
LT1121CST-3.3#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Analog Devices Inc.
Manufacturer Product Number
LT1121CST-3.3#TRPBF
Description
IC REG LIN 3.3V 150MA SOT-223-3
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-223-3
Datasheet
 Datasheet
EDA/CAD Models
LT1121CST-3.3#TRPBF Models
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Current - Quiescent (Iq)
50 µA
Mfr
Current - Supply (Max)
14 mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
PSRR
58dB (120Hz)
Part Status
Active
Control Features
Enable
Output Configuration
Protection Features
Over Temperature, Reverse Polarity
Output Type
Operating Temperature
0°C ~ 125°C
Number of Regulators
1
Mounting Type
Surface Mount
Voltage - Input (Max)
30V
Package / Case
TO-261-4, TO-261AA
Voltage - Output (Min/Fixed)
3.3V
Supplier Device Package
SOT-223-3
Voltage Dropout (Max)
0.7V @ 150mA
Base Product Number
Current - Output
Report Product Information Error
Documents & Media
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (11)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LT1121CST-3.3#PBFAnalog Devices Inc.756505-LT1121CST-3.3#PBF-NDkr 25,93000Parametric Equivalent
LD1117S33CTRSTMicroelectronics20 791497-1241-1-NDkr 1,36000Similar
LD1117S33TRSTMicroelectronics22 130497-1242-1-NDkr 1,44000Similar
LM2937IMP-3.3/NOPBTexas Instruments689LM2937IMP-3.3/NOPBCT-NDkr 9,34000Similar
LM2937IMPX-3.3/NOPBTexas Instruments94LM2937IMPX-3.3/NOPBCT-NDkr 7,94000Similar
Show More
View and Compare All Substitutes
In-Stock: 1 925
Check for Additional Incoming Stock
Quantity
All prices are in SEK
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1kr 65,87000kr 65,87
10kr 50,79700kr 507,97
25kr 47,02400kr 1 175,60
100kr 42,87490kr 4 287,49
250kr 41,59588kr 10 398,97
* All Digi-Reel orders will add a kr 62,00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2 000kr 37,91533kr 75 830,66
Manufacturers Standard Package
Unit Price without VAT:kr 65,87000
Unit Price with VAT:kr 82,33750
You May Also Be Interested InSee All
3 Items
LT1121CST-3.3#PBF

LT1121CST-3.3#PBF

IC REG LIN 3.3V 150MA SOT-223-3

Analog Devices Inc.

kr 65,87000
LT1881IS8#PBF

LT1881IS8#PBF

IC OPAMP GP 2 CIRCUIT 8SO

Analog Devices Inc.

kr 91,05000
LTC1257IS8#PBF

LTC1257IS8#PBF

IC DAC 12BIT 8-SO

Analog Devices Inc.

kr 176,99000
Terms & Conditions Privacy Notice Cookie Settings
Copyright © 1995-2026, DigiKey. All Rights Reserved.
ECIA Member
This site is protected by VikingCloud's Trusted Commerce program
ECIA Member