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₹42.87000MFR 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 INR
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1₹23.30000₹23.30
10₹15.84200₹158.42
25₹13.97800₹349.45
100₹11.97440₹1,197.44
250₹11.01460₹2,753.65
500₹10.43496₹5,217.48
1,000₹9.95786₹9,957.86
* All Digi-Reel orders will add a ₹452.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000₹9.36923₹28,107.69
6,000₹9.08113₹54,486.78
9,000₹8.93685₹80,431.65
15,000₹8.77700₹1,31,655.00
21,000₹8.68356₹1,82,354.76
30,000₹8.59371₹2,57,811.30
75,000₹8.40022₹6,30,016.50
Manufacturers Standard Package