

Overview
The BF998R is an uncategorised made by NXP Semiconductors in a SOT-143R package with 4 pins. SOT-143R New Arrivals ROHS.
PCBKit's library has its footprint (Package_TO_SOT_SMD:SOT-143R, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C5173876). 3 open-source boards in 1 repository on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
Order codes
1- BF998RLCSC C5173876
Open-source boards using it
All 3- 2 layers90 × 60 mm

- 2 layers18 × 15 mm

- 2 layers100 × 55 mm

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Is there a KiCad symbol and footprint for the BF998R?
Yes. the footprint Package_TO_SOT_SMD:SOT-143R, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BF998R?
SOT-143R, with 4 pins. Its footprint is drawn on this page.
Where can I order the BF998R?
JLCPCB lists it as part C5173876, with 0 in stock; the sellers' links on this page open their listings.
What can replace the BF998R?
Parts like it in the library: the 3SK151-GR by Toshiba. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the BF998R?
3 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.