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Contents

README

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2SC4098T106P

ROHM Semicon · Bipolar Transistors - BJT · SOT-323

2SC4098T106P from ROHM Semicon, 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 Emitter passive Emitter of the NPN transistor, shown as pin (1) in the inner circuit diagram; VEBO max is 5 V.
2 Base passive Base of the NPN transistor, shown as pin (2) in the inner circuit diagram; VEBO max is 5 V and VCBO max is 40 V.
3 Collector passive Collector of the NPN transistor, shown as pin (3) in the inner circuit diagram; VCEO max is 25 V and IC max is 50 mA.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOT-323
Category Transistors
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 breakdown voltage BVCBO 40 V IC = 50μA 2
Collector-emitter breakdown voltage BVCEO 25 V IC = 1mA 2
Emitter-base breakdown voltage BVEBO 5 V IE = 50μA 2
Collector cut-off current ICBO 500 nA VCB = 24V 2
Emitter cut-off current IEBO 500 nA VEB = 3V 2
Collector-emitter saturation voltage VCE(sat) 100 300 mV IC = 10mA, IB = 1mA 2
DC current gain hFE 82 180 VCE = 6V, IC = 1mA 2
Transition frequency fT 150 300 MHz VCE = 6V, IE = -1mA, f = 100MHz 2
Output capacitance Cob 1.3 2.2 pF VCB = 6V, IE = 0A, f = 1MHz 2
Collector-base voltage VCBO 40 V Ta = 25°C 2
Collector-emitter voltage VCEO 25 V Ta = 25°C 2
Emitter-base voltage VEBO 5 V Ta = 25°C 2
Collector current IC 50 mA Ta = 25°C 2
Power dissipation PD 200 mW Ta = 25°C, each terminal mounted on a reference land 2
Junction temperature Tj 150 ℃ Ta = 25°C 2
Range of storage temperature Tstg -55 150 ℃ Ta = 25°C 2

CAD (KiCad official)

  • Symbol: 2SC4098T106P
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: 2sc4098t106p-etched.step / 2sc4098t106p-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc4098t106p.step / 2sc4098t106p.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (10 pp, sha256 70cd7e106ab93519, retrieved 2026-10-31, tier: manufacturer)
  • 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