
Overview
The P3B is a trimmers, Variable Capacitor made by Knowles with 2 pins. -55℃~+125℃ 0.6pF~2.5pF 4000@250MHz 500V 6.1mm - Trimmers, Variable Capacitors ROHS.
PCBKit's library has its KiCad symbol (Device:C, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19522147). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
5- Capacitance
- 0.6pF~2.5pF
- Height - Seated(Max)
- 6.1mm
- Operating Temperature
- -55℃~+125℃
- Q @ Frequency
- 4000@250MHz
- Voltage Rating
- 500V
Order codes
1Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
Open-source boards using it
All 1- 2 layers100 × 150 mm

Questions
Is there a KiCad symbol and footprint for the P3B?
Yes. The symbol is Device:C, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the P3B datasheet?
Knowles publishes it: the Datasheet link on this page opens it.
Where can I order the P3B?
JLCPCB lists it as part C19522147, with 0 in stock; the sellers' links on this page open their listings.
Which open-source boards use the P3B?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.