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-2.8TRG1

DigiKey Part Number
31-AP2139AK-2.8TRG1TR-ND - Tape & Reel (TR)
31-AP2139AK-2.8TRG1CT-ND - Cut Tape (CT)
31-AP2139AK-2.8TRG1DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
AP2139AK-2.8TRG1
Description
IC REG LINEAR 2.8V 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)
2.8V
Base Product Number
Voltage Dropout (Max)
0.8V @ 250mA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
AP7354D-28W5-7Diodes Incorporated10 719AP7354D-28W5-7DICT-ND€0.33000MFR Recommended
In-Stock: 8 900
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:€0.26355