Overview
The SLE0503 is a TV made by Slkor in a SOT-143 package with 4 pins. 225W@8/20us 5V 6.6V SOT-143 ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its footprint (Package_TO_SOT_SMD:SOT-143, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C5122576).
Symbol
The library has no symbol for this part yet.
Footprint
Parts like it
2
CSRS045V0P
SOT-143-4-55℃~+85℃ 1.2pF 2uA 5V 6.2V 6A@8/20us 9V IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 TVS SOT-143-4 ESD and Surge Protection (TVS/ESD) ROHSComchipTVSCSRS045V0P-HF
SOT-143-4-55℃~+85℃ 1.2pF 2uA 5V 6.2V 6A@8/20us 9V IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 TVS SOT-143-4 ESD and Surge Protection (TVS/ESD) ROHSComchipTVS
Questions
Is there a KiCad symbol and footprint for the SLE0503?
Yes. the footprint Package_TO_SOT_SMD:SOT-143, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SLE0503?
SOT-143, with 4 pins. Its footprint is drawn on this page.
Where is the SLE0503 datasheet?
Slkor publishes it: the Datasheet link on this page opens it.
Where can I order the SLE0503?
JLCPCB lists it as part C5122576, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SLE0503?
Parts like it in the library: the CSRS045V0P by Comchip and the CSRS045V0P-HF by Comchip. Check their datasheets: a part that fits the footprint may still differ in its ratings.