main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 10d ago
viewers s9012-ms: viewers · Ray 10d ago
package.json Publish 0.1.0 · Ray 10d ago
page.json Set visibility: public · Ray 10d ago
README.md Publish 0.1.0 · Ray 10d ago
s9012-ms-etched.glb Publish 0.1.0 · Ray 10d ago
s9012-ms-etched.step s9012-ms: factory component page (tier=lcsc) · Ray 10d ago
s9012-ms-hero.glb s9012-ms: hero GLB from the etched model (keeps the MPN mark) · Ray 10d ago
s9012-ms-hero.overlay.json Publish 0.1.0 · Ray 10d ago
s9012-ms.glb Publish 0.1.0 · Ray 10d ago
s9012-ms.kicad_mod Publish 0.1.0 · Ray 10d ago
s9012-ms.kicad_sym Publish 0.1.0 · Ray 10d ago
s9012-ms.lbr Publish 0.1.0 · Ray 10d ago
s9012-ms.step Publish 0.1.0 · Ray 10d ago

S9012-MS

MSKSEMI · Bipolar Transistors - BJT · SOT-23

S9012-MS from MSKSEMI, 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 passive Base terminal of the PNP transistor, with emitter-base voltage VEBO rated at -5 V and emitter-base breakdown V(BR)EBO of -5 V minimum at IE=-0.1mA.
2 EMITTER passive Emitter terminal of the PNP transistor, with emitter-base voltage VEBO rated at -5 V and collector current IC rated at -500 mA.
3 COLLECTOR passive Collector terminal of the PNP transistor, rated for collector-base voltage VCBO of -40 V and collector-emitter voltage VCEO of -25 V with collector current IC of -500 mA.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SOT-23
Category Triode/MOS Tube/Transistor
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 -40 V 2
Collector-Emitter Voltage VCEO -25 V 2
Emitter-Base Voltage VEBO -5 V 2
Collector Current IC -500 mA 2
Collector Power Dissipation PC 300 mW 2
Junction Temperature Tj 150 ℃ 2
Storage Temperature Tstg -55 150 ℃ 2
Thermal Resistance From Junction To Ambient R。JA 416 ℃/W 2
Collector-base breakdown voltage V(BR)CBO -40 V IC=-0.1mA, IE=0 2
Collector-emitter breakdown voltage V(BR)CEO -25 V IC=-1mA, IB=0 2
Emitter-base breakdown voltage V(BR)EBO -5 V IE=-0.1mA, IC=0 2
Collector cut-off current ICBO -0.1 uA VCB=-40V, IE=0 2
Emitter cut-off current IEBO -0.1 uA VEB=-5V, IC=0 2
DC current gain hFE 120 400 VCE=-1V, IC=-50mA 2
Collector-emitter saturation voltage VCE(sat) -0.6 V IC=-500mA, IB=-50mA 2
Base-emitter saturation voltage VBE(sat) -1.2 V IC=-500mA, IB=-50mA 2
Transition frequency fT 150 MHz VCE=-6V,IC=-20mA, f=30MHz 2
Collector output capacitance Cob 5 pF VCB=-10V, IE=0, f=1MHz 2

CAD (KiCad official)

  • Symbol: S9012-MS
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: s9012-ms-etched.step / s9012-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s9012-ms.step / s9012-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (5 pp, sha256 85bde72589331f72, retrieved 2026-10-28, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed (audit)), 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