

Overview
The BF423 is a bipolar made by Jiangsu Changjing Electronics Technology (CJ) in a TO-92-3 package with 3 pins.
PCBKit's library has its footprint (EasyEDA_Cloud:TO-92-3_L4.5-W3.5-P1.27-L, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3034823). 1 open-source board in 1 repository on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
11- Collector - Emitter Voltage VCEO
- 250V
- Current - Collector Cutoff
- 10nA
- Current - Collector(Ic)
- 100mA
- DC Current Gain
- 50
- Emitter-Base Voltage(Vebo)
- 5V
- Number
- 1 PNP
- Operating Temperature
- -55℃~+150℃
- Pd - Power Dissipation
- 830mW
- Transition frequency(fT)
- 60MHz
- Vce Saturation(VCE(sat))
- 600mV
- type
- PNP
Order codes
1- BF423LCSC C3034823
Open-source boards using it
All 1- 2 layers

Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/cj/BF423" title="BF423 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/cj/BF423.jpg" alt="BF423" width="1200" height="900">[](https://pcbkit.io/parts/cj/BF423)Questions
Is there a KiCad symbol and footprint for the BF423?
Yes. the footprint EasyEDA_Cloud:TO-92-3_L4.5-W3.5-P1.27-L, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BF423?
TO-92-3, with 3 pins. Its footprint is drawn on this page.
Where is the BF423 datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the BF423?
JLCPCB lists it as part C3034823, with 0 in stock; the sellers' links on this page open their listings.
Which open-source boards use the BF423?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.