

Overview
The DS9503P is an ESD And Surge Protection made by Maxim Integrated (Analog Devices) with 6 pins. - ESD and Surge Protection (TVS/ESD).
PCBKit's library has its KiCad symbol (Diodes:DS9503P+, from CERN's library) and its footprint (ICs And Semiconductors SMD:MAXIM_TSOC-6, from CERN's library), ready for a KiCad board. JLCPCB lists it (part C3703905). 7 open-source boards in 4 repositories on GitHub use it.
Symbol
Footprint
Parameters
2- Operating Temperature
- -40℃~+85℃
- Type
- ESD
Order codes
1- DS9503PLCSC C3703905
Pinout
6| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
| 3 | NC | Passive |
| 4 | NC | Passive |
| 5 | RA | Passive |
| 6 | RK | Passive |
Open-source boards using it
All 7- 2 layers76 × 76 mm

- 2 layers65 × 56 mm

- 2 layers46 × 91.3 mm

4Channel SSR Switch
InfernoEmbedded/onewire-softdevice
Software, Firmware & Documentation is licensed under GPLv3
25 parts11 - 2 layers45.1 × 44.7 mm

16 Channel SSR Driver
InfernoEmbedded/onewire-softdevice
Software, Firmware & Documentation is licensed under GPLv3
18 parts11 - 2 layers36.2 × 33.7 mm

Connecting connector-1-wire
RomLab/pcb-system-for-underfloor-heating-v2.0
PCB for underfloor heating system
15 parts1 - 2 layers36.2 × 33.7 mm

Connecting connector-1-wire
RomLab/pcb-system-for-underfloor-heating-v2.0
PCB for underfloor heating system
14 parts1 - 2 layers48.3 × 45.7 mm

Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/maxim/DS9503P" title="DS9503P in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/maxim/DS9503P.jpg" alt="DS9503P" width="1200" height="900">[](https://pcbkit.io/parts/maxim/DS9503P)Questions
Is there a KiCad symbol and footprint for the DS9503P?
Yes. The symbol is Diodes:DS9503P+ and the footprint ICs And Semiconductors SMD:MAXIM_TSOC-6, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the DS9503P datasheet?
Maxim Integrated (Analog Devices) publishes it: the Datasheet link on this page opens it.
Where can I order the DS9503P?
JLCPCB lists it as part C3703905, with 0 in stock; the sellers' links on this page open their listings.
Which open-source boards use the DS9503P?
7 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.