BC847B

NexperiaExtended

-65℃~+150℃ 1 NPN 100MHz 100mA 200 200mV 250mW 45V 5uA 6V NPN SOT-23 Bipolar (BJT) ROHS

Part id: nexperia/BC847B
Category: Bipolar (BJT)
Package: SOT-23
Pins: 3
In stock: 400,667 at JLCPCB (C57668)
Used on: 37 open-source boards

Overview

The BC847B is a bipolar made by Nexperia in a SOT-23 package with 3 pins. -65℃~+150℃ 1 NPN 100MHz 100mA 200 200mV 250mW 45V 5uA 6V NPN SOT-23 Bipolar (BJT) ROHS.

PCBKit's library has its KiCad symbol (Transistor_BJT:BC847, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 400,667 are in stock at JLCPCB (part C57668). 37 open-source boards in 32 repositories on GitHub use it.

Symbol

Transistor_BJT:BC847From KiCad's library

Footprint

Package_TO_SOT_SMD:SOT-23From KiCad's library

From the datasheet

Collector-emitter, most: 45 V · max collector-emitter voltage, open base · p. 3
Collector current, most: 100 mA · max continuous collector current at 25 °C · p. 3
Current gain, least: 200 · min DC current gain, VCE = 5 V; IC = 2 mA · p. 4
Works from: -65 °C · min ambient temperature, limiting value · p. 3
Works up to: 150 °C · max ambient temperature, limiting value · p. 3
Junction, hottest: 150 °C · max junction temperature · p. 3
Junction to air (SOT23): 500 K/W · max in free air, FR4 PCB; single-sided copper; tin-plated and standard footprint · p. 3

What it is and has

Transistor type: NPN general-purpose transistor · p. 1
Package: SOT23 (TO-236AB), surface-mounted plastic · p. 1

Specifications

Parameter	Conditions	As printed	Page
collector-emitter voltage VCEO	open base; Tamb = 25 °C	max 45 V	1
collector current IC	Tamb = 25 °C	max 100 mA	1
DC current gain hFE	BC847B; VCE = 5 V; IC = 2 mA; Tamb = 25 °C	min 200 · typ 290 · max 450	1
collector-base voltage VCBO	open emitter	max 50 V	3
collector-emitter voltage VCEO	open base	max 45 V	3
emitter-base voltage VEBO	open collector	max 6 V	3
collector current IC		max 100 mA	3
peak collector current ICM	single pulse; tp ≤ 1 ms	max 200 mA	3
peak base current IBM	single pulse; tp ≤ 1 ms	max 100 mA	3
total power dissipation Ptot	Tamb ≤ 25 °C; device mounted on an FR4 PCB; single-sided copper; tin-plated and standard footprint	max 250 mW	3
junction temperature Tj		max 150 °C	3
ambient temperature Tamb		min -65 · max 150 °C	3
storage temperature Tstg		min -65 · max 150 °C	3
thermal resistance from junction to ambient Rth(j-a)	in free air; device mounted on an FR4 PCB; single-sided copper; tin-plated and standard footprint	max 500 K/W	3
collector-base breakdown voltage V(BR)CBO	IC = 100 uA; IE = 0 A; Tamb = 25 °C	min 50 V	4
collector-emitter breakdown voltage V(BR)CES	IC = 2 mA; VBE = 0 A; Tamb = 25 °C	min 45 V	4
emitter-base breakdown voltage V(BR)EBO	IC = 0 A; IE = 100 uA; Tamb = 25 °C	min 6 V	4
collector-base cut-off current ICBO	VCB = 30 V; IE = 0 A; Tamb = 25 °C	max 15 nA	4
collector-base cut-off current ICBO	VCB = 30 V; IE = 0 A; Tj = 150 °C	max 5 uA	4
emitter-base cut-off current IEBO	VEB = 5 V; IC = 0 A; Tamb = 25 °C	max 100 nA	4
DC current gain hFE	BC847B; VCE = 5 V; IC = 10 uA; Tamb = 25 °C	typ 280	4
DC current gain hFE	BC847B; VCE = 5 V; IC = 2 mA; Tamb = 25 °C	min 200 · typ 290 · max 450	4
collector-emitter saturation voltage VCEsat	IC = 10 mA; IB = 0.5 mA; Tamb = 25 °C	typ 90 · max 200 mV	4
collector-emitter saturation voltage VCEsat	IC = 100 mA; IB = 5 mA; Tamb = 25 °C; pulsed; tp ≤ 300 us; δ ≤ 0.02	typ 200 · max 400 mV	4
base-emitter saturation voltage VBEsat	IC = 10 mA; IB = 0.5 mA; Tamb = 25 °C	typ 700 mV	4
base-emitter saturation voltage VBEsat	IC = 100 mA; IB = 5 mA; Tamb = 25 °C	typ 900 mV	4
base-emitter voltage VBE	VCE = 5 V; IC = 2 mA; Tamb = 25 °C	min 580 · typ 660 · max 700 mV	4
base-emitter voltage VBE	VCE = 5 V; IC = 10 mA; Tamb = 25 °C	max 770 mV	4
transition frequency fT	VCE = 5 V; IC = 10 mA; f = 100 MHz; Tamb = 25 °C	min 100 MHz	4
collector capacitance Cc	VCB = 10 V; IE = ie = 0 A; f = 1 MHz; Tamb = 25 °C	max 1.5 pF	4
emitter capacitance Ce	VEB = 0.5 V; IC = ic = 0 A; f = 1 MHz; Tamb = 25 °C	typ 11 pF	4
noise figure NF	IC = 200 uA; VCE = 5 V; RS = 2 kΩ; f = 1 kHz; B = 200Hz; Tamb = 25 °C	typ 2 · max 10 dB	4

Pins, by the datasheet

1 B: Base. · p. 2
2 E: Emitter. · p. 2
3 C: Collector. · p. 2

Ordering codes, by the datasheet

BC847B: SOT23 (TO-236AB) · DC current gain selection: 200 minimum, 290 typical, 450 maximum at VCE = 5 V and IC = 2 mA · p. 2

Parameters

Collector - Emitter Voltage VCEO: 45V
Configuration: Standalone
Current - Collector Cutoff: 5uA
Current - Collector(Ic): 100mA
DC Current Gain: 200
Emitter-Base Voltage(Vebo): 6V
Junction Temperature(Max): 150℃
Number: 1 NPN
Operating Temperature: -65℃~+150℃
Pd - Power Dissipation: 250mW
Thermal Resistance(Junction to Ambient): 500℃/W
Transition frequency(fT): 100MHz
Vce Saturation(VCE(sat)): 200mV
type: NPN

Order codes

BC847B,235LCSC C549472
BC847B,215LCSC C57668

Pinout

The pins of the BC847B
Pin	Name	Type
1	B	Input
2	E	Passive
3	C	Passive

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Parts like it

Questions

Is there a KiCad symbol and footprint for the BC847B?

Yes. The symbol is Transistor_BJT:BC847 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 BC847B?

SOT-23, with 3 pins. Its footprint is drawn on this page.

Where is the BC847B datasheet?

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

Where can I order the BC847B?

JLCPCB lists it as part C57668, with 400,667 in stock; the sellers' links on this page open their listings.

What can replace the BC847B?

Parts like it in the library: the S8050 by hongjiacheng, the SS8050 by hongjiacheng, the MMBT5551 by hongjiacheng and the MMBT5401 by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the BC847B?

37 boards in 32 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

BC847B

Overview

Symbol

Footprint

From the datasheet

What it is and has

Specifications

Pins, by the datasheet

Ordering codes, by the datasheet

Open-source boards using it

Zaphod controller

ModularLabPSU

P1-wifi gateway22v4jlc

Nest mini v2-drop in pcb

Quiver

Minimood

Optocoupler18CH

Raspi HAT

Parts like it

S8050

SS8050

MMBT5551

MMBT5401