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2SC4672G-A-AB3-R

UTC(Unisonic Tech) · Bipolar Transistors - BJT · SOT-89

2SC4672G-A-AB3-R from UTC(Unisonic Tech), in a SOT-89. 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	B	input	Base terminal of the NPN transistor, per the datasheet pin assignment for the SOT-89 AB3 package.
2	C	passive	Collector terminal of the NPN transistor, per the datasheet pin assignment for the SOT-89 AB3 package.
3	E	passive	Emitter terminal of the NPN transistor, per the datasheet pin assignment for the SOT-89 AB3 package.

Key specifications

Parameter	Value
Manufacturer	UTC(Unisonic Tech)
Package	SOT-89
Category	Triode/MOS Tube/Transistor
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 to Base Voltage	VCBO			60	V		2
Collector to Emitter Voltage	VCEO			50	V		2
Emitter to Base Voltage	VEBO			6	V		2
Collector Current	IC			3	A		2
Collector Current (Pulse)	ICP			6	A	Single pulse, PW=10ms (Note 2)	2
Collector Dissipation	PC			0.9	W	Device mounted on FR-4 PCB with minimum recommended pad layout (Note 3)	2
Junction Temperature	TJ			150	°C		2
Operating Temperature	TOPR	-40		150	°C		2
Storage Temperature	TSTG	-40		150	°C		2
Collector-Base Breakdown Voltage	BVCBO	60			V	IC =50A	2
Collector-Emitter Breakdown Voltage	BVCEO	50			V	IC =1mA	2
Emitter-Base Breakdown Voltage	BVEBO	6			V	IE =50A	2
Collector Cutoff Current	ICBO			0.1	A	VCB=60V	2
Emitter Cutoff Current	IEBO			0.1	A	VEB=5V	2
Base Emitter On Voltage	VBE (ON)	0.5	0.77	1	V	VCE =2V, IC =1A	2
Base-Emitter Saturation Voltage	VBE (SAT)	0.6	0.85	1.1	V	IC=1A, IB=50mA	2
Collector-Emitter Saturation Voltage	VCE(SAT)		0.1	0.35	V	IC /IB=1A/50mA (Note)	2
DC Current Transfer Ratio (rank A)	hFE	120		240		VCE=2V, IC =0.5A (Note)	2
Transition Frequency	fT		210		MHz	VCE=2V, IE =-0.5A, f=100MHz	2
Output Capacitance	COB		25		pF	VCB=10V, IE =0A, f=1MHz	2
Junction to Ambient Thermal Resistance	θJA		250		°С/W		2
Junction to Case Thermal Resistance	θJC		40		°С/W		2

CAD (KiCad official)

Symbol: 2SC4672G-A-AB3-R
Footprint: Package_TO_SOT_SMD:SOT-89-3
3D model: SOT-89 (KiCad packages3D, STEP)
3D model files: 2sc4672g-a-ab3-r-etched.step / 2sc4672g-a-ab3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc4672g-a-ab3-r.step / 2sc4672g-a-ab3-r.glb are the bare package body.

Provenance

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

Datasheet: UTC(Unisonic Tech) datasheet (4 pp, sha256 7a6b147e1c3ab88f, retrieved 2026-10-27, tier: manufacturer)
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