
EEZ PSU consolidated r5B13a
eez-open/psu-hw
EEZ H24005 programmable bench power supply (powered by Arduino Due)
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The HCPL-181(AT) is a transistor, Photovoltaic Output Optoisolator made by AOTE in a SOP-4 package with 4 pins.
PCBKit's library has its footprint (EasyEDA_Cloud:SOP-4_L4.5-W4.4-P2.54-LS7.0-BL, from EasyEDA), ready for a KiCad board. 1,989 are in stock at JLCPCB (part C48686291). 1 open-source board in 1 repository on GitHub use it.
The library has no symbol for this part yet.

eez-open/psu-hw
EEZ H24005 programmable bench power supply (powered by Arduino Due)
<iframe src="https://pcbkit.io/embed/parts/aote/HCPL-181(AT)" title="HCPL-181(AT) in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/aote/HCPL-181(AT).jpg" alt="HCPL-181(AT)" width="1200" height="900">[.jpg?size=s)](https://pcbkit.io/parts/aote/HCPL-181(AT))Yes. the footprint EasyEDA_Cloud:SOP-4_L4.5-W4.4-P2.54-LS7.0-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOP-4, with 4 pins. Its footprint is drawn on this page.
AOTE publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C48686291, with 1,989 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TP357 by WUXI TOP. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.