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Contents

README

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2SD2226KT146W

ROHM Semicon · Bipolar (BJT) · TO-236-3(SOT-23-3)

2SD2226KT146W from ROHM Semicon, in a TO-236-3(SOT-23-3). 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 Emitter passive Emitter terminal of the NPN transistor; VEBO max 12V and BVEBO min 12V at IE=10uA.
2 Base passive Base terminal of the NPN transistor; drive with IB=5mA for VCE(sat) max 300mV at IC=50mA.
3 Collector passive Collector terminal; VCEO 50V, VCBO 60V, IC 150mA continuous (200mA single pulse 10ms).

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package TO-236-3(SOT-23-3)
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 60 V 2
Collector-emitter voltage VCEO 50 V 2
Emitter-base voltage VEBO 12 V 2
Collector current IC 150 mA 2
Collector current (pulse) ICP 200 mA Single Pulse Pw=10ms 2
Power dissipation PD 200 mW Each terminal mounted on a reference land 2
Junction temperature Tj 150 ℃ 2
Range of storage temperature Tstg -55 150 ℃ 2
Collector-base breakdown voltage BVCBO 60 V IC = 10μA 2
Collector-emitter breakdown voltage BVCEO 50 V IC = 1mA 2
Emitter-base breakdown voltage BVEBO 12 V IE = 10μA 2
Collector cut-off current ICBO 300 nA VCB = 50V 2
Emitter cut-off current IEBO 300 nA VEB = 12V 2
Collector-emitter saturation voltage VCE(sat) 300 mV IC = 50mA, IB = 5mA 2
DC current gain hFE 560 2700 - VCE = 5V, IC = 1mA 2
Transition frequency fT 250 MHz VCE = 5V, IE = -10mA, f = 100MHz 2
Output capacitance Cob 3.5 pF VCB = 5V, IE = 0A, f = 1kHz 2

CAD (KiCad official)

  • Symbol: 2SD2226KT146W
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
  • 3D model files: 2sd2226kt146w-etched.step / 2sd2226kt146w-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd2226kt146w.step / 2sd2226kt146w.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (9 pp, sha256 6f6099ccb00454a2, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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