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Contents

Pinout
Key specifications
Electrical characteristics
CAD (KiCad official)
Provenance

README

markdown

BC846W

Changjing · Bipolar (BJT) · SOT-323

BC846W from Changjing, in a SOT-323. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	BASE	input	Base terminal of the NPN transistor; the emitter-base voltage VEBO is rated 6 V for BC846W and BC847W and 5 V for BC848W.
2	EMITTER	passive	Emitter terminal of the NPN transistor; the datasheet gives no emitter-specific limit, and the emitter-base ratings (VEBO 6 V for BC846W/BC847W, 5 V for BC848W) apply.
3	COLLECTOR	passive	Collector terminal of the NPN transistor; collector-emitter voltage VCEO is rated 65 V (BC846W), 45 V (BC847W) or 30 V (BC848W) and continuous collector current is 0.1 A.

Key specifications

Parameter	Value
Manufacturer	Changjing
Package	SOT-323
Category	Transistors/Thyristors
Pins	3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Collector-Base Voltage (BC846W)	VCBO			80	V		1
Collector-Emitter Voltage (BC846W)	VCEO			65	V		1
Emitter-Base Voltage (BC846W)	VEBO			6	V		1
Collector Current - Continuous	IC			0.1	A		1
Collector Power Dissipation	PC			150	mW		1
Operation Junction and Storage Temperature Range	TJ,Tstg	-55		150	℃		1
Collector-base breakdown voltage (BC846W)	VCBO	80			V	IC= 10µA, IE=0	2
Collector-emitter breakdown voltage (BC846W)	VCEO	65			V	IC= 10mA, IB=0	2
Emitter-base breakdown voltage (BC846W)	VEBO	6			V	IE= 1 µA, IC=0	2
Collector Cutoff Current	ICBO			15	nA	VCB=30V	2
DC current gain (BC846AW)	hFE	90				VCE= 5V, IC= 10µA	2
DC current gain (BC846BW)	hFE	150				VCE= 5V, IC= 10µA	2
DC current gain (BC846AW)	hFE	110		220		VCE= 5V, IC= 2mA	2
DC current gain (BC846BW)	hFE	200		450		VCE= 5V, IC= 2mA	2
Collector-emitter saturation voltage	VCE(sat)			0.25	V	IC=10mA, IB= 0.5mA	2
Collector-emitter saturation voltage	VCE(sat)			0.6	V	IC=100mA, IB= 5mA	2
Base-emitter saturation voltage	VBE(sat)			0.7	V	IC=10mA, IB= 0.5mA	2
Base-emitter saturation voltage	VBE(sat)			0.9	V	IC=100mA, IB= 5mA	2
Base-emitter voltage	VBE(on)	580	660	700	mV	VCE= 5V, IC= 2mA	2
Base-emitter voltage	VBE(on)			770	mV	VCE= 5V, IC= 10mA	2
Transition frequency	fT	100			MHz	VCE= 5 V, IC= 10mA, f=100MHz	2
Collector output capacitance	Cob			4.5	pF	VCB=10V,f=1MHz	2
Noise figure (BC846AW, BC846BW)	NF			10	dB	VCE=5V,Ic=0.2mA, f=1KHz,RS=2KΩ, BW=200Hz	2
Junction To Ambient Thermal Resistance	RΘJA		833		℃/W		1

CAD (KiCad official)

Symbol: BC846W
Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
3D model: SOT-323 (KiCad packages3D, STEP)
3D model files: bc846w-etched.step / bc846w-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc846w.step / bc846w.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Changjing datasheet (5 pp, sha256 8a1d069380231a45, retrieved 2026-10-09, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF