
Overview
The MMBTA42 is an uncategorised made by Doeshare in a SOT-23 package with 3 pins.
PCBKit's library has its KiCad symbol (Transistor_BJT:MMBTA42, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C7431811).
Symbol
Footprint
Order codes
1- MMBTA42LCSC C7431811
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Input |
| 2 | E | Passive |
| 3 | C | Passive |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/doeshare/MMBTA42" title="MMBTA42 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/doeshare/MMBTA42.jpg" alt="MMBTA42" width="1200" height="900">[](https://pcbkit.io/parts/doeshare/MMBTA42)Questions
Is there a KiCad symbol and footprint for the MMBTA42?
Yes. The symbol is Transistor_BJT:MMBTA42 and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MMBTA42?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where can I order the MMBTA42?
JLCPCB lists it as part C7431811, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MMBTA42?
Parts like it in the library: the XC6206P182MR by TECH PUBLIC, the JTD6206-3.3V by JTD, the BAT54S by TDSEMIC and the BC847A-TD by TDSEMIC. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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