2 layers50 × 20.3 mm
Overview
The 2SA1873 is a bipolar made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-353 package with 5 pins. -55℃~+150℃ 100nA 120 150mA 2 PNP 200mW 300mV 50V 5V 80MHz PNP SOT-353 Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:2SA1873, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-353_SC-70-5, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19269070). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
11- Collector - Emitter Voltage VCEO
- 50V
- Current - Collector Cutoff
- 100nA
- Current - Collector(Ic)
- 150mA
- DC Current Gain
- 120
- Emitter-Base Voltage(Vebo)
- 5V
- Number
- 2 PNP
- Operating Temperature
- -55℃~+150℃
- Pd - Power Dissipation
- 200mW
- Transition frequency(fT)
- 80MHz
- Vce Saturation(VCE(sat))
- 300mV
- type
- PNP
Order codes
1- 2SA1873LCSC C19269070
Pinout
5| Pin | Name | Type |
|---|---|---|
| 1 | B | Unspecified |
| 2 | E | Unspecified |
| 3 | B | Unspecified |
| 4 | C | Unspecified |
| 5 | C | Unspecified |
Open-source boards using it
All 1Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/cj/2SA1873" title="2SA1873 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/2SA1873.jpg" alt="2SA1873" width="1200" height="900">[](https://pcbkit.io/parts/cj/2SA1873)Questions
Is there a KiCad symbol and footprint for the 2SA1873?
Yes. The symbol is EasyEDA_Cloud:2SA1873 and the footprint Package_TO_SOT_SMD:SOT-353_SC-70-5, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 2SA1873?
SOT-353, with 5 pins. Its footprint is drawn on this page.
Where is the 2SA1873 datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the 2SA1873?
JLCPCB lists it as part C19269070, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 2SA1873?
Parts like it in the library: the 2SC4944(RANGE:200-400) by Jiangsu Changjing Electronics Technology (CJ) and the PMP4201G by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the 2SA1873?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
