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-ND€ 0,39000MFR 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: 18.09.2026
All prices are in EUR
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1€ 0,21000€ 0,21
10€ 0,14400€ 1,44
25€ 0,12760€ 3,19
100€ 0,10920€ 10,92
250€ 0,10044€ 25,11
500€ 0,09518€ 47,59
1 000€ 0,09082€ 90,82
* All Digi-Reel orders will add a € 5,50 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3 000€ 0,08545€ 256,35
6 000€ 0,08283€ 496,98
9 000€ 0,08151€ 733,59
15 000€ 0,08005€ 1 200,75
21 000€ 0,07920€ 1 663,20
30 000€ 0,07838€ 2 351,40
75 000€ 0,07661€ 5 745,75
Manufacturers Standard Package
Unit Price without VAT:€ 0,21000
Unit Price with VAT:€ 0,25410