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$0.67000MFR 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: 18/9/2026
All prices are in AUD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.36000$0.36
10$0.24800$2.48
25$0.21840$5.46
100$0.18710$18.71
250$0.17208$43.02
500$0.16304$81.52
1,000$0.15559$155.59
* All Digi-Reel orders will add a $9.50 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.14639$439.17
6,000$0.14189$851.34
9,000$0.13964$1,256.76
15,000$0.13714$2,057.10
21,000$0.13568$2,849.28
30,000$0.13427$4,028.10
75,000$0.13125$9,843.75
Manufacturers Standard Package
Unit Price without GST:$0.36000
Unit Price with GST:$0.39600