AP2125K-3.3TRG1 is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Diodes Incorporated
In Stock: 0
Unit Price: $0.00000
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Analog Devices Inc./Maxim Integrated
In Stock: 0
Unit Price: $2.63000
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Texas Instruments
In Stock: 157
Unit Price: $0.83000
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Texas Instruments
In Stock: 0
Unit Price: $0.17000
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Texas Instruments
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Unit Price: $0.83000
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Texas Instruments
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Unit Price: $0.17000
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Texas Instruments
In Stock: 0
Unit Price: $0.83000
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Texas Instruments
In Stock: 0
Unit Price: $0.17000
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Texas Instruments
In Stock: 0
Unit Price: $0.83000
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Texas Instruments
In Stock: 0
Unit Price: $0.17000
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Texas Instruments
In Stock: 0
Unit Price: $0.83000
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Unit Price: $0.17000
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Linear Voltage Regulator IC Positive Fixed 1 Output 300mA SOT-23-5
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Fixed 1 Output 300mA SOT-23-5
Diodes Low Dropout Regulators | Digi-Key Daily
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

AP2125K-3.3TRG1

DigiKey Part Number
AP2125K-3.3TRG1DITR-ND - Tape & Reel (TR)
AP2125K-3.3TRG1DICT-ND - Cut Tape (CT)
AP2125K-3.3TRG1DIDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
AP2125K-3.3TRG1
Description
IC REG LINEAR 3.3V 300MA SOT23-5
Manufacturer Standard Lead Time
24 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 300mA SOT-23-5
Datasheet
 Datasheet
Product Attributes
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Category
Current - Output
Mfr
Current - Quiescent (Iq)
90 µA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
PSRR
65dB (100Hz ~ 1kHz)
Part Status
Active
Control Features
Enable
Output Configuration
Protection Features
Over Current, Over Temperature
Output Type
Operating Temperature
-40°C ~ 85°C (TA)
Number of Regulators
1
Mounting Type
Surface Mount
Voltage - Input (Max)
6V
Package / Case
SC-74A, SOT-753
Voltage - Output (Min/Fixed)
3.3V
Supplier Device Package
SOT-23-5
Voltage Dropout (Max)
0.3V @ 300mA
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (23)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
AP2125K-3.3TRE1Diodes Incorporated0AP2125K-3.3TRE1-ND$0.00000Parametric Equivalent
MAX8888EZK33+TAnalog Devices Inc./Maxim Integrated0MAX8888EZK33+TTR-ND$2.63000Similar
TLV73328PDBVTTexas Instruments157296-42282-2-ND$0.83000Similar
TLV73310PDBVRTexas Instruments0296-40661-2-ND$0.17000Similar
TLV73310PDBVTTexas Instruments0296-38484-2-ND$0.83000Similar
Available To Order
Factory Stock: 255,000
3,000 estimated in stock on 15-Mar-2027

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.19000$0.19
10$0.12900$1.29
25$0.11320$2.83
100$0.09650$9.65
250$0.08844$22.11
500$0.08358$41.79
1,000$0.07958$79.58
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.07465$223.95
6,000$0.07223$433.38
9,000$0.07102$639.18
15,000$0.06968$1,045.20
21,000$0.06890$1,446.90
30,000$0.06814$2,044.20
75,000$0.06652$4,989.00
150,000$0.06554$9,831.00
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.