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Contents

README

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2SA1037AK-R

Foshan Blue Rocket Elec · Bipolar (BJT) · SOT-23

2SA1037AK-R from Foshan Blue Rocket Elec, in a SOT-23. 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, with the datasheet giving VEBO of -6.0 V max and hFE of 120 to 560 at VCE=-6.0 V, IC=-1.0 mA.
2 Emitter passive Emitter terminal of the PNP transistor, rated for an emitter-to-base voltage of -6.0 V max (VEBO).
3 Collector passive Collector terminal of the PNP transistor, rated for VCBO -60 V, VCEO -50 V, collector current -150 mA max and collector power dissipation 200 mW max.

Key specifications

Parameter Value
Manufacturer Foshan Blue Rocket Elec
Package SOT-23
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 VCBO -60 V IC=-50μA 2
Collector-Emitter Breakdown Voltage VCEO -50 V IC=-1.0mA 2
Emitter-Base Breakdown Voltage VEBO -6 V IE=-50μA 2
Collector Cut-Off Current ICBO -0.1 μA VCB=-60V 2
Emitter Base Cut-Off Current IEBO -0.1 μA VEB=-6.0V 2
DC Current Gain hFE 120 560 VCE=-6.0V IC=-1.0mA 2
Collector to Emitter Saturation Voltage VCE(sat) -0.5 V IC=-50mA IB=-5.0mA 2
Transition Frequency fT 140 MHz VCE=-12.0V IE=2.0mA f=30MHz 2
Collector output capacitance Cob 3.5 pF VCB=-12V IE=0 f=1.0MHz 2
Collector Current IC -150 mA 2
Collector to Base Voltage VCBO -60 V 2
Collector to Emitter Voltage VCEO -50 V 2
Emitter to Base Voltage VEBO -6 V 2
Collector Power Dissipation PC 200 mW 2
Junction Temperature Tj 150 ℃ 2
Storage Temperature Range Tstg -55 150 ℃ 2

CAD (KiCad official)

  • Symbol: 2SA1037AK-R
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: 2sa1037ak-r-etched.step / 2sa1037ak-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sa1037ak-r.step / 2sa1037ak-r.glb are the bare package body.

Provenance

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

  • Datasheet: Foshan Blue Rocket Elec datasheet (6 pp, sha256 3c49676e05f1ec47, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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