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2SD1898T100Q

Public Made by Adom

by adom

ROHM Semicon Bipolar (BJT), SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SD1898T100Q

ROHM Semicon · Bipolar (BJT) · SOT-89

2SD1898T100Q from ROHM Semicon, 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 of the NPN transistor, driven with IB = 20 mA for VCE(sat) = 0.4 V max at IC = 500 mA, with VEBO limit of 5 V.
2 C passive Collector (also the wide center tab), with VCEO of 80 V, VCBO of 120 V and IC of 1.0 A DC (2.0 A pulsed).
3 E passive Emitter of the NPN transistor, the common return for the collector and base currents, with VEBO limit of 5 V.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOT-89
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
DC current gain hFE 120 390 VCE = 3V, IC = 0.5A (pulsed, *6) 2
Collector-emitter saturation voltage VCE(sat) 0.4 V IC = 500mA, IB = 20mA 2
Collector-base breakdown voltage BVCBO 120 V IC = 50mA 2
Collector-emitter breakdown voltage BVCEO 80 V IC = 1mA 2
Emitter-base breakdown voltage BVEBO 5 V IE = 50mA 2
Emitter cut-off current IEBO 1 mA VEB = 4V 2
Collector-base voltage VCBO 120 V 2
Collector-emitter voltage VCEO 80 V 2
Emitter-base voltage VEBO 5 V 2
Collector current DC IC 1 A DC 2
Collector current pulsed ICP 2 A Pw=20ms, duty=1/2 (*1) 2
Power dissipation PD 0.5 W Each terminal mounted on a reference land (*2) 2
Power dissipation PD 1 W Mounted on a substrate (*4) 2
Junction temperature Tj 150 °C 2
Range of storage temperature Tstg -55 150 °C 2

CAD (KiCad official)

  • Symbol: 2SD1898T100Q
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sd1898t100q-etched.step / 2sd1898t100q-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd1898t100q.step / 2sd1898t100q.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (8 pp, sha256 5be3527c5de83d09, retrieved 2026-10-20, 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