AP2121AK-2.5TRE1 is available for purchase but is not normally stocked.
Available Substitutes:

MFR Recommended


Diodes Incorporated
In Stock: 2,765
Unit Price: RM1.39000
Datasheet

Parametric Equivalent


Diodes Incorporated
In Stock: 5,098
Unit Price: RM0.72000
Datasheet

Similar


Rohm Semiconductor
In Stock: 0
Unit Price: RM2.11000
Datasheet

Similar


Torex Semiconductor Ltd
In Stock: 15,141
Unit Price: RM2.53000
Datasheet

Parametric Equivalent


Nisshinbo Micro Devices Inc.
In Stock: 0
Unit Price: RM1.26024
Datasheet

Parametric Equivalent


Nisshinbo Micro Devices Inc.
In Stock: 0
Unit Price: RM1.26024
Datasheet

Parametric Equivalent


Toshiba Semiconductor and Storage
In Stock: 0
Unit Price: RM0.51000
Datasheet

Parametric Equivalent


Torex Semiconductor Ltd
In Stock: 0
Unit Price: RM1.23413
Datasheet
SOT-23-5
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
SOT-23-5
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

AP2121AK-2.5TRE1

DigiKey Part Number
31-AP2121AK-2.5TRE1TR-ND - Tape & Reel (TR)
31-AP2121AK-2.5TRE1CT-ND - Cut Tape (CT)
31-AP2121AK-2.5TRE1DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
AP2121AK-2.5TRE1
Description
IC REG LINEAR 2.5V 200MA SOT23-5
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 200mA SOT-23-5
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Mfr
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Last Time Buy
Output Configuration
Output Type
Number of Regulators
1
Voltage - Input (Max)
6V
Voltage - Output (Min/Fixed)
2.5V
Voltage - Output (Max)
-
Voltage Dropout (Max)
0.5V @ 200mA
Current - Output
Current - Quiescent (Iq)
50 µA
PSRR
70dB (1kHz)
Control Features
Enable
Protection Features
Over Current
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SC-74A, SOT-753
Supplier Device Package
SOT-23-5
Base Product Number
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

Last Time Buy
Last Time Buy Date: 16/12/2025
All prices are in MYR
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1RM2.19000RM2.19
* All Digi-Reel orders will add a RM30.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000RM0.95505RM2,865.15
6,000RM0.92957RM5,577.42
9,000RM0.91681RM8,251.29
15,000RM0.90267RM13,540.05
21,000RM0.89441RM18,782.61
30,000RM0.88647RM26,594.10
Manufacturers Standard Package
Unit Price without VAT:RM2.19000
Unit Price with VAT:RM2.40900