2 layers233.7 × 172.2 mm
Overcycler3
gligli/overcycler
Affordable DIY polyphonic hybrid single cycle / analog synthesizer
335 parts45GPL-3.0
Overview
The BC856B is a bipolar made by UMW in a SOT-23 package with 3 pins. -65℃~+150℃ 1 PNP 100MHz 100mA 100nA 200mW 220 500mV 5V 65V PNP SOT-23 Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (Transistor_BJT:BC856, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 554,733 are in stock at JLCPCB (part C545565). 18 open-source boards in 7 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
4- Collector-emitter, most
- 65 V · collector-emitter voltage, max · p. 1
- Collector current, most
- 100 mA · continuous collector current at Ta = 25℃, max · p. 1
- Junction, hottest
- 150 °C · junction temperature, max · p. 1
- Current gain, least
- 220 · DC current gain at VCE = -5 V, IC = -2 mA, min · p. 2
What it is and has
4- Transistor type
- PNP · p. 1
- Package
- SOT-23 · p. 1
- Applications
- Switching and AF amplifier · p. 1
- Device marking
- 3B · p. 1
Specifications
16| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Collector-Base Voltage VCBO | BC856; Ta=25℃ | max -80 V | 1 |
| Collector-Emitter Voltage VCEO | BC856; Ta=25℃ | max -65 V | 1 |
| Emitter-Base Voltage VEBO | Ta=25℃ | max -5 V | 1 |
| Collector Current –Continuous IC | Ta=25℃ | max -0.1 A | 1 |
| Collector Power Dissipation PC | Ta=25℃ | max 200 mW | 1 |
| Junction Temperature TJ | max 150 ℃ | 1 | |
| Storage Temperature Tstg | min -65 · max 150 ℃ | 1 | |
| Collector-base breakdown voltage VCBO | BC856; IC= -10uA, IE=0 | min -80 V | 2 |
| Collector-emitter breakdown voltage VCEO | BC856; IC= -10mA, IB=0 | min -65 V | 2 |
| Emitter-base breakdown voltage VEBO | IE= -1uA, IC=0 | min -5 V | 2 |
| Emitter cut-off current IEBO | VEB= -5 V , IC=0 | max -0.1 uA | 2 |
| DC current gain hFE | BC856B; VCE= -5V,IC= -2mA | min 220 · max 475 | 2 |
| Collector-emitter saturation voltage VCE(sat) | IC=-100mA,IB= -5 mA | max -0.5 V | 2 |
| Base-emitter saturation voltage VBE(sat) | IC= -100mA, IB= -5mA | max -1.1 V | 2 |
| Transition frequency fT | VCE= -5 V, IC= -10mA; f=100MHz | min 100 MHz | 2 |
| Collector capacitance Cob | VCB=-10V, f=1MHz | max 4.5 pF | 2 |
Pins, by the datasheet
3- 1 BASE
- Base. · p. 1
- 2 EMITTER
- Emitter. · p. 1
- 3 COLLECTOR
- Collector. · p. 1
Parameters
13- Collector - Emitter Voltage VCEO
- 65V
- Configuration
- Standalone
- Current - Collector Cutoff
- 100nA
- Current - Collector(Ic)
- 100mA
- DC Current Gain
- 220
- Emitter-Base Voltage(Vebo)
- 5V
- Junction Temperature(Max)
- 150℃
- Number
- 1 PNP
- Operating Temperature
- -65℃~+150℃
- Pd - Power Dissipation
- 200mW
- Transition frequency(fT)
- 100MHz
- Vce Saturation(VCE(sat))
- 500mV
- type
- PNP
Order codes
1- BC856BLCSC C545565
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Input |
| 2 | E | Passive |
| 3 | C | Passive |
Open-source boards using it
All 18- 2 layers98 × 187 mm
Projet
FranklinBerger/Polonise-Inverse
Projet électronique de calculatrice en Polonaise Inversse. Bassée sur un ESP32 sur firmware MicroPython, elle a été initialement conçue dans le cadre d'un stage de découverte de l'électronique durant 1 mois.
137 parts1 - 2 layers72 × 57 mm
- 2 layers80 × 47.5 mm
Water sample collector iot main
TheTesla/HTW-Water-Sample-Collector
Coolecting water samples during flood events and send notify message
81 parts - 4 layers63.1 × 36.2 mm
- 4 layers63.1 × 36.2 mm
- 2 layers100.3 × 55.2 mm
- 2 layers100.3 × 55.2 mm
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/umw/BC856B" title="BC856B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/umw/BC856B.jpg" alt="BC856B" width="1200" height="900">[](https://pcbkit.io/parts/umw/BC856B)Questions
Is there a KiCad symbol and footprint for the BC856B?
Yes. The symbol is Transistor_BJT:BC856 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 BC856B?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the BC856B datasheet?
UMW publishes it: the Datasheet link on this page opens it.
Where can I order the BC856B?
JLCPCB lists it as part C545565, with 554,733 in stock; the sellers' links on this page open their listings.
What can replace the BC856B?
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 BC856B?
18 boards in 7 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
MMBT3904
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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)