

Overview
The AP2151AW is an AC DC Controllers And Regulator made by Diodes Incorporated in a SOT-25 package with 5 pins. -40℃~+85℃@(Ta) 2.7V~5.5V 500mA Non-Isolated Over Voltage Protection、Short Circuit Protection、Over Temperature Protection SOT-25 Power Distribution Switches ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AP22817AKEWT-7, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23-5, from KiCad's library), ready for a KiCad board. 28,887 are in stock at JLCPCB (part C2759962). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
8- Control Input Logic
- Active High
- Features
- Overcurrent Protection
- Maximum Continuous Current
- 500mA
- Number of Channels
- 1
- Operating Temperature -
- -40℃~+85℃
- RDS(on)
- 95mΩ
- Type
- High Side Switch
- Voltage - Supply
- 2.7V~5.5V
Order codes
1- AP2151AW-7LCSC C2759962
Pinout
5| Pin | Name | Type |
|---|---|---|
| 1 | OUT | Unspecified |
| 2 | GND | Unspecified |
| 3 | FLG | Unspecified |
| 4 | EN | Unspecified |
| 5 | IN | Unspecified |
Open-source boards using it
All 1- 4 layers96 × 172 mm

Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/diodes/AP2151AW" title="AP2151AW in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/diodes/AP2151AW.jpg" alt="AP2151AW" width="1200" height="900">[](https://pcbkit.io/parts/diodes/AP2151AW)Questions
Is there a KiCad symbol and footprint for the AP2151AW?
Yes. The symbol is EasyEDA_Cloud:AP22817AKEWT-7 and the footprint Package_TO_SOT_SMD:SOT-23-5, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AP2151AW?
SOT-25, with 5 pins. Its footprint is drawn on this page.
Where is the AP2151AW datasheet?
Diodes Incorporated publishes it: the Datasheet link on this page opens it.
Where can I order the AP2151AW?
JLCPCB lists it as part C2759962, with 28,887 in stock; the sellers' links on this page open their listings.
What can replace the AP2151AW?
Parts like it in the library: the AP2141WG by Diodes Incorporated, the UCC24612-1DBV by Texas Instruments, the ME8415AM5G by MICRONE and the UCC24612-2DBV by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the AP2151AW?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8AP2141WG
SOT-25-40℃~+85℃@(Ta) 2.7V~5.5V 500mA Non-Isolated Over Current Protection、Short Circuit Protection、Over Temperature Protection SOT-25 Power Distribution Switches ROHSDiodes IncorporatedAC-DC Controllers And RegulatorsUCC24612-1DBV
SOT-23-5-40℃~+125℃ 1MHz 230V 4V~28V CCM、DCM、QR Flyback Isolation Overtemperature protection (OTP) SOT-23-5 Synchronous Rectifier Controllers ROHSTexas InstrumentsAC-DC Controllers And RegulatorsME8415AM5G
SOT-23-5-40℃~+85℃ 5V~20V 600mW CCM、DCM、QR Flyback Isolation Over Voltage Protection、Under Voltage Protection、Over Temperature Protection Secondary-Side Feedback SOT-23-5 AC-DC Controllers and Regulators ROHSMICRONEAC-DC Controllers And RegulatorsUCC24612-2DBV
SOT-23-5-40℃~+125℃ 16ns 1A 320uA 35ns 4A 4V~28V 540ns 800kHz DCM、CCM、QR Flyback、LLC SOT-23-5 Synchronous Rectifier Controllers ROHSTexas InstrumentsAC-DC Controllers And RegulatorsMAX1683EUK+T
SOT-23-5-40℃~+85℃ 2.5V~5.5V 230uA 35kHz 45mA 65Ω 98% Cascade support SOT-23-5 Charge Pumps ROHSMaxim Integrated (Analog Devices)AC-DC Controllers And RegulatorsAP2822GKBTR-G1
SOT-23-5-40℃~+85℃ 2.7V~5.5V 2A 85mΩ Active High High Side Switch Output discharge function、Soft-start、Under-voltage lockout、Integrated charge pump、Overcurrent Protection、Over temperature protection、Short-Circuit Protection、Reverse current blocking SOT-23-5 Power Distribution Switches ROHSDiodes IncorporatedAC-DC Controllers And RegulatorsIR1161LTRPBF
SOT-23-5-40℃~+125℃@(Tj) 200V 4.75V~18V 500kHz Flyback、Half-Bridge Non-Isolated Over Voltage Protection、Under Voltage Protection、Over Current Protection、Short Circuit Protection、Over Temperature Protection SOT-23-5 AC-DC Controllers and Regulators ROHSInfineon TechnologiesAC-DC Controllers And RegulatorsMP171AGJ-Z
TSOT-23-5-40℃~+125℃@(Tj) 2W 5.5V~5.7V 5V 700V Boost、Flyback、Buck、Buck-Boost CCM、DCM Non-Isolated Short Circuit Protection、Over Temperature Protection TSOT-23-5 AC-DC Controllers and Regulators ROHSMonolithic Power SystemsAC-DC Controllers And Regulators