component

2SC4102T106R

Public Made by Adom

by adom

ROHM Semicon Bipolar (BJT), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SC4102T106R

ROHM Semicon · Bipolar (BJT) · SOT-323

2SC4102T106R 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; VEBO max 5 V (emitter-base breakdown BVEBO min 5 V at IE = 50 µA).
2 Base passive Base of the NPN transistor, used as the control input for the 120 V, 50 mA high-voltage amplifier.
3 Collector passive Collector of the NPN transistor; VCEO 120 V, VCBO 120 V, IC max 50 mA.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
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 VCBO 120 V 2
Collector-emitter voltage VCEO 120 V 2
Emitter-base voltage VEBO 5 V 2
Collector current IC 50 mA 2
Power dissipation PD 200 mW Each terminal mounted on a reference land (*1) 2
Junction temperature Tj 150 ℃ 2
Range of storage temperature Tstg -55 150 ℃ 2
Collector-base breakdown voltage BVCBO 120 V IC = 50μA 2
Collector-emitter breakdown voltage BVCEO 120 V IC = 1mA 2
Emitter-base breakdown voltage BVEBO 5 V IE = 50μA 2
Collector cut-off current ICBO 500 nA VCB = 100V 2
Emitter cut-off current IEBO 500 nA VEB = 4V 2
Collector-emitter saturation voltage VCE(sat) 500 mV IC = 10mA, IB = 1mA 2
DC current gain hFE 180 560 - VCE = 6V, IC = 2mA 2

CAD (KiCad official)

  • Symbol: 2SC4102T106R
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: 2sc4102t106r-etched.step / 2sc4102t106r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc4102t106r.step / 2sc4102t106r.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (11 pp, sha256 2e7fe648bd29c7cf, retrieved 2026-10-19, 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