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-2.8TRE1

DigiKey Part Number
31-AP2121AK-2.8TRE1TR-ND - Tape & Reel (TR)
31-AP2121AK-2.8TRE1CT-ND - Cut Tape (CT)
31-AP2121AK-2.8TRE1DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
AP2121AK-2.8TRE1
Description
IC REG LINEAR 2.8V 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)
2.8V
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

In-Stock: 2,990
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: 16/12/2025
All prices are in HKD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$3.86000$3.86
10$2.72600$27.26
25$2.43360$60.84
100$2.11190$211.19
250$1.95880$489.70
500$1.86636$933.18
1,000$1.79024$1,790.24
* All Digi-Reel orders will add a $55.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$1.69626$5,088.78
6,000$1.65026$9,901.56
9,000$1.62724$14,645.16
15,000$1.60171$24,025.65
21,000$1.58679$33,322.59
30,000$1.57245$47,173.50
Manufacturers Standard Package