
Overview
The 2N3055 is a bipolar made by Microchip Technology in a TO-3 package with 3 pins. -65℃~+200℃ 15A 1mA 20 2V 6W 70V NPN TO-3 Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (Transistor_BJT:2N3055, from KiCad's library) and its footprint (Package_TO_SOT_THT:TO-3, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3201129).
Symbol
Footprint
Order codes
1- 2N3055LCSC C3201129
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Input |
| 2 | E | Passive |
| 3 | C | Passive |
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<iframe src="https://pcbkit.io/embed/parts/microchip/2N3055" title="2N3055 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/2N3055.jpg" alt="2N3055" width="1200" height="900">[](https://pcbkit.io/parts/microchip/2N3055)Questions
Is there a KiCad symbol and footprint for the 2N3055?
Yes. The symbol is Transistor_BJT:2N3055 and the footprint Package_TO_SOT_THT:TO-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 2N3055?
TO-3, with 3 pins. Its footprint is drawn on this page.
Where can I order the 2N3055?
JLCPCB lists it as part C3201129, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 2N3055?
Parts like it in the library: the 2N3055 by JSMSEMI, the 2N3055A by SPTECH, the MJ2955 by SPTECH and the BU102 by SPTECH. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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