

Overview
The TIL111 is a transistor, Photovoltaic Output Optoisolator made by Everlight Electronics in a DIP-6 package with 6 pins.
PCBKit's library has its KiCad symbol (Isolator:TIL111, from KiCad's library) and its footprint (Package_DIP:DIP-6_W7.62mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19131484). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
Parameters
8- Current Transfer Ratio (CTR) Minimum
- 50%
- Fall time
- 8us
- Load Voltage
- 80V
- Number of Outputs
- 1
- Output Current
- 2mA
- Output Type
- Phototransistor
- Reverse Voltage
- 9V
- Vce Saturation(VCE(sat))
- 400mV@16mA,2mA
Order codes
1- TIL111LCSC C19131484
Pinout
6| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
| 3 | NC | Not connected |
| 4 | — | Passive |
| 5 | — | Passive |
| 6 | — | Passive |
Open-source boards using it
All 2- 2 layers78.7 × 58.4 mm

- 2 layers33 × 36.7 mm

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<iframe src="https://pcbkit.io/embed/parts/everlight/TIL111" title="TIL111 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/everlight/TIL111.jpg" alt="TIL111" width="1200" height="900">[](https://pcbkit.io/parts/everlight/TIL111)Questions
Is there a KiCad symbol and footprint for the TIL111?
Yes. The symbol is Isolator:TIL111 and the footprint Package_DIP:DIP-6_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the TIL111?
DIP-6, with 6 pins. Its footprint is drawn on this page.
Where is the TIL111 datasheet?
Everlight Electronics publishes it: the Datasheet link on this page opens it.
Where can I order the TIL111?
JLCPCB lists it as part C19131484, with 0 in stock; the sellers' links on this page open their listings.
What can replace the TIL111?
Parts like it in the library: the 4N35 by Everlight Electronics, the H11AA1M by onsemi, the 4N25 by UMW and the 4N35 by UMW. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the TIL111?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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