main
Ray Publish 0.1.0 05950ed 1d ago

2SA1037AKT146Q

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

2SA1037AKT146Q 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 Emitter passive Emitter terminal of the PNP transistor; VEBO rating is -6 V.
2 Base passive Base terminal of the PNP transistor; emitter-base voltage limited to -6 V and collector-base voltage to -60 V.
3 Collector passive Collector terminal; VCEO -50 V, continuous IC -150 mA (ICP -200 mA at 1 ms single pulse).

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package TO-236-3(SOT-23-3)
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 -60 V IC = -50μA 2
Collector-emitter breakdown voltage BVCEO -50 V IC = -1mA 2
Emitter-base breakdown voltage BVEBO -6 V IE = -50μA 2
Collector cut-off current ICBO -100 nA VCB = -60V 2
Emitter cut-off current IEBO -100 nA VEB = -6V 2
Collector-emitter saturation voltage VCE(sat) -500 mV IC = -50mA, IB = -5mA 2
DC current gain hFE 120 390 - VCE = -6V, IC = -1mA 2
Output capacitance Cob 4 5 pF VCB = -12V, IE = 0A, f = 1MHz 2
Collector-base voltage VCBO -60 V 2
Collector-emitter voltage VCEO -50 V 2
Emitter-base voltage VEBO -6 V 2
Collector current IC -150 mA 2
Collector current (pulse) ICP -200 mA Pw=1ms, Single Pulse 2
Power dissipation (2SA1037AK) PD 200 mW 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: 2SA1037AKT146Q
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
  • 3D model files: 2sa1037akt146q-etched.step / 2sa1037akt146q-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sa1037akt146q.step / 2sa1037akt146q.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (15 pp, sha256 ab1344a75ab1ce3f, 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