Overview
The 2.3.3.400001237 is a crystal made by MDH in a SMD3225-4P package with 4 pins. 12pF 40MHz Crystal Oscillator ±10ppm SMD3225-4P Crystals ROHS.
PCBKit's library has its footprint (Crystal:Crystal_SMD_WE_CFPX-180-4Pin_3.2x2.5mm, from KiCad's library), ready for a KiCad board. 61 are in stock at JLCPCB (part C49010423).
Symbol
The library has no symbol for this part yet.
Footprint
Parts like it
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Questions
Is there a KiCad symbol and footprint for the 2.3.3.400001237?
Yes. the footprint Crystal:Crystal_SMD_WE_CFPX-180-4Pin_3.2x2.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 2.3.3.400001237?
SMD3225-4P, with 4 pins. Its footprint is drawn on this page.
Where can I order the 2.3.3.400001237?
JLCPCB lists it as part C49010423, with 61 in stock; the sellers' links on this page open their listings.
What can replace the 2.3.3.400001237?
Parts like it in the library: the XL2EL89CPI-111YLC-40M by YXC, the X322540MPB4SI by YXC, the XL2EL89COI-111YLC-40M by YXC and the XC32M4-40.000-F12NJDT by HCI. Check their datasheets: a part that fits the footprint may still differ in its ratings.