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PN2222AL-T92-B

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UTC(Unisonic Tech) Bipolar (BJT), TO-92-2.54mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PN2222AL-T92-B

UTC(Unisonic Tech) · Bipolar (BJT) · TO-92-2.54mm

PN2222AL-T92-B from UTC(Unisonic Tech), in a TO-92-2.54mm. 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 E passive Emitter of the NPN transistor (pin assignment E-B-C for the -T92-B ordering code).
2 B input Base of the NPN transistor; VEBO max 6 V.
3 C passive Collector of the NPN transistor; VCBO 75 V, VCEO 40 V, IC up to 0.6 A.

Key specifications

Parameter Value
Manufacturer UTC(Unisonic Tech)
Package TO-92-2.54mm
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 VCBO 75 V TA=25°C 2
Collector-Emitter Voltage VCEO 40 V TA=25°C 2
Emitter-Base Voltage VEBO 6 V TA=25°C 2
Collector Current IC 0.6 A TA=25°C 2
Total Device Dissipation TO-92 PC 0.6 W TO-92, TA=25°C 2
Junction Temperature TJ 150 °C TA=25°C 2
Storage Temperature TSTG -55 150 °C TA=25°C 2
Junction to Ambient TO-92 θJA 200 °C/W TO-92, TA=25°C 2
Junction to Case TO-92 θJC 80 °C/W TO-92, TA=25°C 2
Collector-Base Breakdown Voltage BVCBO 75 V IC=10μA, IE=0 3
Collector-Emitter Breakdown Voltage BVCEO 40 V IC=10mA, IB=0 3
Emitter-Base Breakdown Voltage BVEBO 6 V IE=10μA, IC=0 3
Collector Cut-off Current ICEO 10 nA VCE=60V, VEB(OFF)=3.0V 3
Collector Cut-Off Current ICBO 0.01 μA VCB=60V, IE=0 3
Emitter Cut-Off Current IEBO 10 nA VEB=3.0V, IC=0 3
Base Cut-Off Current IBL 20 nA VCE=60V, VEB(OFF)=3.0V 3
DC Current Gain hFE 35 IC=0.1mA, VCE=10V 3
DC Current Gain hFE 50 IC=1.0mA, VCE=10V 3
DC Current Gain hFE 75 IC=10mA, VCE=10V 3
DC Current Gain hFE 100 300 IC=150mA, VCE=10V (Note) 3
DC Current Gain hFE 40 IC=500mA, VCE=10V (Note) 3
Collector-Emitter Saturation Voltage VCE(SAT) 0.3 V IC=150mA, IB=15mA (Note) 3
Collector-Emitter Saturation Voltage VCE(SAT) 1 V IC=500mA, IB=50mA (Note) 3
Base-Emitter Saturation Voltage VBE(SAT) 0.6 1.2 V IC=150mA, IB=15mA (Note) 3
Base-Emitter Saturation Voltage VBE(SAT) 2 V IC=500mA, IB=50mA (Note) 3
Transition Frequency fT 300 MHz IC=20mA, VCE=20V, f=100MHz 3
Output Capacitance Cobo 8 pF VCB=10V, IE=0, f=100kHz 3
Input Capacitance Cibo 25 pF VEB=0.5V, IC=0, f=100kHz 3
Collector Base Time Constant rb'Cc 150 pS IC=20mA, VCB=20V, f=31.8MHz 3
Noise Figure NF 4 dB IC=100A, VCE=10V, RS=1.0kΩ, f=1.0kHz 3
Real Part of Common-Emitter High Frequency Input Impedance Re(hJE) 60 Ω IC=20mA, VCB=20V, f=300MHz 3
Delay time tD 10 ns VCC=30V, VBE(OFF)=0.5V 3
Rise time tR 25 ns IC=150mA, IB1=15mA 3
Storage time tS 225 ns VCC=30V, IC=150mA 3
Fall time tF 60 ns IB1= IB2=15mA 3

CAD (KiCad official)

  • Symbol: PN2222AL-T92-B
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92-2.54mm (KiCad packages3D, STEP)
  • 3D model files: pn2222al-t92-b-etched.step / pn2222al-t92-b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pn2222al-t92-b.step / pn2222al-t92-b.glb are the bare package body.

Provenance

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

  • Datasheet: UTC(Unisonic Tech) datasheet (6 pp, sha256 a94445b06fa5df87, retrieved 2026-10-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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