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
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

AP2139AK-1.8TRG1

DigiKey Part Number
31-AP2139AK-1.8TRG1TR-ND - Tape & Reel (TR)
31-AP2139AK-1.8TRG1CT-ND - Cut Tape (CT)
31-AP2139AK-1.8TRG1DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
AP2139AK-1.8TRG1
Description
IC REG LINEAR 1.8V 250MA SOT23-5
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 250mA SOT-23-5
Datasheet
 Datasheet
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)
1.8V
Base Product Number
Voltage Dropout (Max)
1.1V @ 250mA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
AP7354D-18W5-7Diodes Incorporated1 177AP7354D-18W5-7DICT-ND0,39000 €MFR Recommended
In-Stock: 3 384
Check for Additional Incoming Stock
Once available stock of this product has been depleted, manufacturer standard package and lead time will apply. View Substitutes
Last Time Buy Date: 2026-09-18
All prices are in EUR
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
10,21000 €0,21 €
100,14400 €1,44 €
250,12760 €3,19 €
1000,10920 €10,92 €
2500,10044 €25,11 €
5000,09518 €47,59 €
1 0000,09082 €90,82 €
* All Digi-Reel orders will add a 5,50 € reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3 0000,08545 €256,35 €
6 0000,08283 €496,98 €
9 0000,08151 €733,59 €
15 0000,08005 €1 200,75 €
21 0000,07920 €1 663,20 €
30 0000,07838 €2 351,40 €
75 0000,07661 €5 745,75 €
Manufacturers Standard Package
Unit Price without VAT:0,21000 €
Unit Price with VAT:0,25410 €