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2SB1197KT146Q

Public Made by Adom

by adom

ROHM Semicon Bipolar (BJT), TO-236-3(SOT-23-3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SB1197KT146Q

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

2SB1197KT146Q 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 E passive Emitter of the PNP transistor; VEBO is limited to -5 V.
2 B passive Base of the PNP transistor; hFE is 120 to 390 at VCE = -3 V, IC = -100 mA.
3 C passive Collector of the PNP transistor; IC is rated -800 mA, VCEO -32 V and VCBO -40 V.

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 breakdown voltage BVCBO -40 V IC = -50μA 2
Collector-emitter breakdown voltage BVCEO -32 V IC = -1mA 2
Emitter-base breakdown voltage BVEBO -5 V IE = -50μA 2
Collector cut-off current ICBO -500 nA VCB = -20V 2
Emitter cut-off current IEBO -500 nA VEB = -4V 2
Collector-emitter saturation voltage VCE(sat) -500 mV IC = -500mA, IB = -50mA 2
DC current gain hFE 120 390 - VCE = -3V, IC = -100mA 2
Output capacitance Cob 12 30 pF VCB = -10V, IE = 0A, f = 1MHz 2
Collector-base voltage VCBO -40 V Ta = 25°C 2
Collector-emitter voltage VCEO -32 V Ta = 25°C 2
Emitter-base voltage VEBO -5 V Ta = 25°C 2
Collector current IC -800 mA Ta = 25°C 2
Power dissipation PD 200 mW *1 Each terminal mounted on a reference land 2
Junction temperature Tj 150 ℃ 2
Range of storage temperature Tstg -55 150 ℃ 2

CAD (KiCad official)

  • Symbol: 2SB1197KT146Q
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
  • 3D model files: 2sb1197kt146q-etched.step / 2sb1197kt146q-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sb1197kt146q.step / 2sb1197kt146q.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (9 pp, sha256 f51c51ad7d870697, 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