Overview
The BD681 is a darlington Transistor made by luJing in a TO-126 package with 3 pins. TO-126 Darlington Transistors ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:BD681_C55259800, from EasyEDA) and its footprint (EasyEDA_Cloud:TO-126-3_L7.6-W2.7-P2.30-L, from EasyEDA), ready for a KiCad board. 495 are in stock at JLCPCB (part C55259800).
Symbol
Footprint
Order codes
1- BD681LCSC C55259800
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | E | Unspecified |
| 2 | C | Unspecified |
| 3 | B | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/lujing/BD681" title="BD681 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/lujing/BD681.jpg" alt="BD681" width="1200" height="900">[](https://pcbkit.io/parts/lujing/BD681)Questions
Is there a KiCad symbol and footprint for the BD681?
Yes. The symbol is EasyEDA_Cloud:BD681_C55259800 and the footprint EasyEDA_Cloud:TO-126-3_L7.6-W2.7-P2.30-L, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BD681?
TO-126, with 3 pins. Its footprint is drawn on this page.
Where can I order the BD681?
JLCPCB lists it as part C55259800, with 495 in stock; the sellers' links on this page open their listings.
What can replace the BD681?
Parts like it in the library: the BD682 by luJing, the BD678 by DDF, the BD680 by DDF and the BD679 by DDF. Check their datasheets: a part that fits the footprint may still differ in its ratings.
