
BFU520AR
NXP SemiconductorsExtended
-40℃~+150℃ 1 NPN 10GHz 12V 1nA 30mA 3V 450mW 60 NPN SOT-23(TO-236AB) Bipolar (BJT) ROHS
- Part id
- nxp/BFU520AR
- Category
- Bipolar (BJT)
- Package
- SOT-23(TO-236AB)
- Pins
- 3
- In stock
- 0 at JLCPCB (C3199903)
- Used on
- 1 open-source board
Overview
The BFU520AR is a bipolar made by NXP Semiconductors in a SOT-23(TO-236AB) package with 3 pins. -40℃~+150℃ 1 NPN 10GHz 12V 1nA 30mA 3V 450mW 60 NPN SOT-23(TO-236AB) Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NPN_1B_2E_3C, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3199903). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Input |
| 2 | E | Passive |
| 3 | C | Passive |
Open-source boards using it
1- 4 layers144.8 × 99.9 mm

Parts like it
8MMBT3904
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 BFU520AR?
Yes. The symbol is Pinmap_Generic:Q_NPN_1B_2E_3C 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 BFU520AR?
SOT-23(TO-236AB), with 3 pins. Its footprint is drawn on this page.
Where is the BFU520AR datasheet?
NXP Semiconductors publishes it: the Datasheet link on this page opens it.
Where can I order the BFU520AR?
JLCPCB lists it as part C3199903, with 0 in stock; the sellers' links on this page open their listings.
What can replace the BFU520AR?
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.
Which open-source boards use the BFU520AR?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.