2 layers140 × 85 mm
BC549B
Diotec Semiconductor
General-purpose NPN bipolar junction transistor in TO-92 package with 2.54mm pitch, manufactured by several semiconductor companies.
diotec-semiconductor/BC549B
- Category
- Uncategorised
- Pins
- 3
Overview
The BC549B is an uncategorised made by Diotec Semiconductor with 3 pins. General-purpose NPN bipolar junction transistor in TO-92 package with 2.54mm pitch, manufactured by several semiconductor companies.
PCBKit's library has its KiCad symbol (Transistor_BJT:BC549, from KiCad's library) and its footprint (Package_TO_SOT_THT:TO-92_Inline, from KiCad's library), ready for a KiCad board. 9 open-source boards in 6 repositories on GitHub use it.
Symbol
Footprint
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | C | Passive |
| 2 | B | Input |
| 3 | E | Passive |
Open-source boards using it
All 9- 4 layers340 × 210 mm
- 2 layers70.8 × 89.2 mm
- 2 layers22.9 × 48.3 mm
Luzecilla
Salakorte/Mini-led-blink-pcb
Pequeña pcb que hace parpadear led mediante componentes diseñado en kiakad y pcb fabricada con acido de forma manual
13 parts - 2 layers213 × 65 mm
- 2 layers213 × 65 mm
- 2 layers213 × 65 mm
- 2 layers213 × 65 mm
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/diotec-semiconductor/BC549B" title="BC549B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/diotec-semiconductor/BC549B.jpg" alt="BC549B" width="1200" height="900">[](https://pcbkit.io/parts/diotec-semiconductor/BC549B)Questions
Is there a KiCad symbol and footprint for the BC549B?
Yes. The symbol is Transistor_BJT:BC549 and the footprint Package_TO_SOT_THT:TO-92_Inline, both drawn on this page. PCBKit places them on a board for you when you design with it.
What can replace the BC549B?
Parts like it in the library: the S8050T by XCH, the DS18B20 by DALLAS MAXIM, the DS18S20 by DALLAS MAXIM and the BC550CTA by FAIRCHILD. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the BC549B?
9 boards in 6 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
S8050T
SOT-523UncategorisedXCHDS18B20
TO-92Programmable Resolution 1-Wire Digital Thermometer (-55°C to +125°C)DALLAS MAXIMUncategorisedDS18S20
TO-92Programmable Resolution 1-Wire Digital Thermometer (-55°C to +125°C)DALLAS MAXIMUncategorisedBC550CTA
TO-9265V 100mA NPN Epitaxial Silicon TransistorFAIRCHILDUncategorisedBC327
TO-92-45V, -500mA, PNP General-Purpose TransistorNexperiaUncategorisedBC557C
TO-92TO-92 SMT ROHSNexperiaUncategorisedBC337-25
TO-9245V 500mA NPN General-Purpose TransistorNXP SemiconductorsUncategorised2N3906
TO-92-40V, -200mA, PNP General Purpose AmplifieronsemiUncategorised