
Tinta l2
c0de111/tinta
Battery-powered e-paper sign: room signage, sensor graphs, home automation, or anything over Wi-Fi. Wakes by real-time clock, NFC tap, or button. Raspberry Pi Pico W firmware, custom PCB, and 3D-printed case included.

The JZ400 is a trimmers, Variable Capacitor made by Knowles with 2 pins. -40℃~+85℃ 1.45mm 125V 1500@1MHz 8pF~40pF - Trimmers, Variable Capacitors ROHS.
PCBKit's library has its KiCad symbol (Device:C, from KiCad's library) and its footprint (EasyEDA_Cloud:CAP-ADJ-SMD_L4.5-W3.2_JZ150, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3273221). 3 open-source boards in 3 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |

c0de111/tinta
Battery-powered e-paper sign: room signage, sensor graphs, home automation, or anything over Wi-Fi. Wakes by real-time clock, NFC tap, or button. Raspberry Pi Pico W firmware, custom PCB, and 3D-printed case included.


<iframe src="https://pcbkit.io/embed/parts/knowles/JZ400" title="JZ400 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/knowles/JZ400.jpg" alt="JZ400" width="1200" height="900">[](https://pcbkit.io/parts/knowles/JZ400)Yes. The symbol is Device:C and the footprint EasyEDA_Cloud:CAP-ADJ-SMD_L4.5-W3.2_JZ150, both drawn on this page. PCBKit places them on a board for you when you design with it.
Knowles publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3273221, with 0 in stock; the sellers' links on this page open their listings.
3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.