component

2SB1561T100Q

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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2SB1561T100Q

ROHM Semicon · Bipolar (BJT) · SOT-89

2SB1561T100Q 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 Base input Base terminal of the PNP transistor; VEBO max is -6 V and IEBO max is -100 nA at VEB = -5 V.
2 Collector passive Collector terminal (also the center tab) of the PNP transistor; VCEO is -60 V, VCBO is -60 V, IC max is -2 A (ICP -6 A for 10 ms single pulse).
3 Emitter passive Emitter terminal of the PNP transistor, the reference for VCE and VBE.

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
Collector-base voltage VCBO -60 V 2
Collector-emitter voltage VCEO -60 V 2
Emitter-base voltage VEBO -6 V 2
Collector current IC -2 A 2
Collector current (pulse) ICP -6 A Pw=10ms, Single Pulse 2
Power dissipation PD 0.5 W Each terminal mounted on a reference land 2
Power dissipation PD 2 W Mounted on a ceramic board (40×40×0.7mm) 2
Junction temperature Tj 150 ℃ 2
Range of storage temperature Tstg -55 150 ℃ 2
Collector-base breakdown voltage BVCBO -60 V IC = -50μA 2
Collector-emitter breakdown voltage BVCEO -60 V IC = -1mA 2
Emitter-base breakdown voltage BVEBO -6 V IE = -50μA 2
Collector cut-off current ICBO -100 nA VCB = -50V 2
Emitter cut-off current IEBO -100 nA VEB = -5V 2
Collector-emitter saturation voltage VCE(sat) -150 -350 mV IC = -1A, IB = -50mA, pulsed (*4) 2
DC current gain hFE1 120 270 - VCE = -2V, IC = -500mA, pulsed (*4) 2
DC current gain hFE2 45 - VCE = -2V, IC = -1.5A, pulsed (*4) 2

CAD (KiCad official)

  • Symbol: 2SB1561T100Q
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sb1561t100q-etched.step / 2sb1561t100q-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sb1561t100q.step / 2sb1561t100q.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (10 pp, sha256 c5441366718cef5b, retrieved 2026-10-18, 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