
Smu main
PaulBichl/vibepcb-smu
VibePCB example: 4-quadrant SMU (+-30 V / +-1 A, USB-C PD, Ethernet) designed with an LLM

The PC817C is a transistor, Photovoltaic Output Optoisolator made by GOODWORK in a DIP-4 package with 4 pins. -55℃~+110℃ 1 1.2V 100mV@1mA,20mA 200% 35V 400% 50mA 50mA 5kV 5us 6V 6us@2mA,100Ω DC Phototransistor SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS.
PCBKit's library has its KiCad symbol (Isolator:PC817, from KiCad's library) and its footprint (Package_DIP:DIP-4_W7.62mm, from KiCad's library), ready for a KiCad board. 1,338,973 are in stock at JLCPCB (part C3025164). 8 open-source boards in 8 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
| 3 | — | Passive |
| 4 | — | Passive |

PaulBichl/vibepcb-smu
VibePCB example: 4-quadrant SMU (+-30 V / +-1 A, USB-C PD, Ethernet) designed with an LLM

Boardoza/Boardoza_PC817C_2CH_Isolated_Level_Shifter_Breakout_Board
Dual-channel optically isolated level shifter board using Sharp PC817C for safe voltage conversion between 3.3V–12V systems.

CasuariusSYC/3-Phase-Electricity-Monitoring
This project is a module to monitor the status of a 3-phase electricity supply and record any power outages. The data can be accessed wirelessly. Currently, the features are limited to detecting the power state only.



Valleeh/taptempo-box
Tap-tempo box: MIDI clock + switched tempo outputs, ATmega328P, perfboard and JLCPCB SMD versions, 3D-printed enclosure


laforestlabs/KiCraft
KiCad PCB automation toolkit — placement, routing, scoring, and experiment management
<iframe src="https://pcbkit.io/embed/parts/goodwork/PC817C" title="PC817C in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/goodwork/PC817C.jpg" alt="PC817C" width="1200" height="900">[](https://pcbkit.io/parts/goodwork/PC817C)Yes. The symbol is Isolator:PC817 and the footprint Package_DIP:DIP-4_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
DIP-4, with 4 pins. Its footprint is drawn on this page.
GOODWORK publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3025164, with 1,338,973 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the EL817S1(C)(TU)-F by Everlight Electronics, the PC817C-S by UMW, the EL817(B)-F by Everlight Electronics and the EL817S1(B)(TU)-F by Everlight Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
8 boards in 8 repositories on GitHub; the most starred are listed on this page, with their KiCad files.