Linear Voltage Regulator IC Positive Fixed 1 Output 250mA SOT-23-5
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Linear Voltage Regulator IC Positive Fixed 1 Output 250mA SOT-23-5
Diodes Low Dropout Regulators | Digi-Key Daily
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AP2139AK-3.3TRG1

DigiKey Part Number
AP2139AK-3.3TRG1DITR-ND - Tape & Reel (TR)
AP2139AK-3.3TRG1DICT-ND - Cut Tape (CT)
AP2139AK-3.3TRG1DIDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
AP2139AK-3.3TRG1
Description
IC REG LINEAR 3.3V 250MA SOT23-5
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 250mA SOT-23-5
Datasheet
 Datasheet
EDA/CAD Models
AP2139AK-3.3TRG1 Models
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
1.5 µA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Control Features
Enable
Part Status
Last Time Buy
Protection Features
Over Current
Output Configuration
Operating Temperature
-40°C ~ 85°C
Output Type
Mounting Type
Surface Mount
Number of Regulators
1
Package / Case
SC-74A, SOT-753
Voltage - Input (Max)
6V
Supplier Device Package
SOT-23-5
Voltage - Output (Min/Fixed)
3.3V
Base Product Number
Voltage Dropout (Max)
0.6V @ 250mA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (8)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
AP7354D-33W5-7Diodes Incorporated49,652AP7354D-33W5-7DICT-ND$0.39000MFR Recommended
NCP603SN330T1Gonsemi2,432NCP603SN330T1GOSCT-ND$0.65000Similar
NCV8603SN33T1Gonsemi284NCV8603SN33T1GOSCT-ND$0.60000Similar
S-1132B33-M5T1UABLIC Inc.01662-2458-2-ND$0.45181Similar
XC6215B332MR-GTorex Semiconductor Ltd6,732893-1078-1-ND$0.62000Similar
In-Stock: 167,819
Check for Additional Incoming Stock
Last Time Buy Date: 18/09/2026
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.28000$0.28
10$0.19000$1.90
25$0.16840$4.21
100$0.14460$14.46
250$0.13312$33.28
500$0.12622$63.11
1,000$0.12054$120.54
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.11352$340.56
6,000$0.11009$660.54
9,000$0.10837$975.33
15,000$0.10646$1,596.90
21,000$0.10535$2,212.35
30,000$0.10428$3,128.40
Manufacturers Standard Package