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BC550 on a board, in 3D

BC550

onsemi

1 NPN 100mA 110 15nA 300MHz 45V 500mW 600mV 6V NPN Standalone TO-92-3 Bipolar (BJT) ROHS

Extended
DatasheetJLCPCBLCSConsemi/BC550
Category
Bipolar (BJT)
Package
TO-92-3
Pins
3

Overview

The BC550 is a bipolar made by onsemi in a TO-92-3 package with 3 pins. 1 NPN 100mA 110 15nA 300MHz 45V 500mW 600mV 6V NPN Standalone TO-92-3 Bipolar (BJT) ROHS.

PCBKit's library has its KiCad symbol (Transistor_BJT:BC550, from KiCad's library) and its footprint (Package_TO_SOT_THT:TO-92_Inline, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3201800). 28 open-source boards in 22 repositories on GitHub use it.

Symbol

123
Transistor_BJT:BC550From KiCad's library

Footprint

123
Package_TO_SOT_THT:TO-92_InlineFrom KiCad's library

Parameters

11
Collector - Emitter Voltage VCEO
45V
Configuration
Standalone
Current - Collector Cutoff
15nA
Current - Collector(Ic)
100mA
DC Current Gain
110
Emitter-Base Voltage(Vebo)
6V
Number
1 NPN
Pd - Power Dissipation
500mW
Transition frequency(fT)
300MHz
Vce Saturation(VCE(sat))
600mV
type
NPN

Order codes

1

Pinout

3
The pins of the BC550
PinNameType
1CPassive
2BInput
3EPassive

Open-source boards using it

All 28
  • 2 layers178 × 129.5 mmRgb board, the printed circuit board in 3D

    Rgb board

    skumlos/if-c01comg-clone-tht-full

    A full sized SCART/BNC version of the IF-C01COMG clone base board

    89 parts15WTFPL
  • 2 layers48.3 × 99.1 mmModulation source, the printed circuit board in 3D

    Modulation source

    JordanAceto/modulation_source

    Eurorack compatible pcb with sine/square VCLFO, white and pink noise, and sample & hold

    95 parts6
  • 2 layers44.3 × 33.5 mmAudio iface rev1, the printed circuit board in 3D

    Audio iface rev1

    bnahill/audiopulse-embedded

    Miniature DPOAE infant hearing loss screening device

    129 parts3
  • 4 layers91.7 × 110 mmDriven double well, the printed circuit board in 3D

    Driven double well

    aether-machine/State-Space-Computer

    Schematics and PCBs for Aether Machine open source state space modelling computer and sound synthesizer.

    114 parts1
  • 2 layers161.2 × 29.5 mmROV-, the printed circuit board in 3D

    ROV-

    IslamHUFE/ECG

    57 parts1MIT
  • 2 layers48.3 × 83.8 mmSmartswitch, the printed circuit board in 3D

    Smartswitch

    mlauke/smartswitch

    sonnen battery controller based on ESP8266/ESP32 to drive a 3.3kW heater (Heißwasserspeicher-Einbauheizung) and integrates with the local hot water system.

    35 parts1MIT
  • 2 layers70 × 100 mmAntenna Remote, the printed circuit board in 3D

    Antenna Remote

    3DFabrik/Antenna-Remote

    Ein Antennenumschalter für bis zu acht Antennen auf einem ESP32. Er wählt die Antenne nach der Frequenz des Transceivers (Automatik) oder von Hand, zeigt alles auf einem Touch-Display und lässt sich über WLAN, Bluetooth…

    38 partsMIT
  • 2 layersHbridge, the printed circuit board in 3D

    Hbridge

    BalderHolst/linefollower

    The goal was to drive around the track as quickly as possible.

    14 parts

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Questions

Is there a KiCad symbol and footprint for the BC550?

Yes. The symbol is Transistor_BJT:BC550 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 package is the BC550?

TO-92-3, with 3 pins. Its footprint is drawn on this page.

Where is the BC550 datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the BC550?

JLCPCB lists it as part C3201800, with 0 in stock; the sellers' links on this page open their listings.

What can replace the BC550?

Parts like it in the library: the 2N3904 by JSMSEMI, the 2N3904BU by onsemi, the PN2222ABU by onsemi and the BC547B by LGE. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the BC550?

28 boards in 22 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8