BC857B
TDDExtended
SOT-23 Bipolar (BJT) ROHS
- Part id
- tdd/BC857B
- Category
- Bipolar (BJT)
- Package
- SOT-23
- Pins
- 5
- In stock
- 2,950 at JLCPCB (C55099116)
Overview
The BC857B is a bipolar made by TDD in a SOT-23 package with 3 pins. SOT-23 Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (Transistors:PNP B1 E2 C3, from CERN's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 2,950 are in stock at JLCPCB (part C55099116).
Symbol
Footprint
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Passive |
| 2 | E | Passive |
| 3 | C | Passive |
Parts like it
8
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)S8050
SOT-23-55℃~+150℃ 1 NPN 100MHz 100nA 120 25V 300mW 500mA 5V 600mV NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)SS8050
SOT-23-55℃~+150℃ 1 NPN 1.5A 100MHz 100nA 120 25V 300mW 500mV 5V NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)MMBT5551
SOT-23-55℃~+150℃ 1 NPN 100 100MHz 150mV 160V 300mW 50nA 600mA 6V NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)MMBT5401
SOT-23-55℃~+150℃ 1 PNP 100 100MHz 100nA 160V 200mV 300mW 5V 600mA PNP SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)MMBT5551
SOT-23-55℃~+150℃ 1 NPN 160V 200 200mV 300MHz 300mW 50nA 600mA 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)S8050 J3Y
SOT-23-55℃~+150℃ 1 NPN 100nA 150MHz 200 25V 300mW 500mA 5V 600mV NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
Questions
Is there a KiCad symbol and footprint for the BC857B?
Yes. The symbol is Transistors:PNP B1 E2 C3 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 BC857B?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where can I order the BC857B?
JLCPCB lists it as part C55099116, with 2,950 in stock; the sellers' links on this page open their listings.
What can replace the BC857B?
Parts like it in the library: the MMBT3904 by hongjiacheng, the S8050 by hongjiacheng, the SS8050 by hongjiacheng and the MMBT5551 by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.