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Contents

README

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S9014-MS

MSKSEMI · Bipolar (BJT) · SOT-23

S9014-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 NPN transistor; the datasheet rates the emitter-base breakdown voltage V(BR)EBO at a minimum of 5 V (IE=100 μA, IC=0).
2 EMITTER passive Emitter terminal of the NPN transistor; the absolute maximum emitter-base voltage VEBO is 5 V.
3 COLLECTOR passive Collector terminal of the NPN transistor; rated for a collector current IC of 100 mA, collector-emitter voltage VCEO of 45 V, and collector power dissipation PC of 200 mW.

Key specifications

Parameter Value
Manufacturer MSKSEMI
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 V(BR)CBO 50 V IC= 100μA, IE=0 2
Collector-emitter breakdown voltage V(BR)CEO 45 V IC= 0.1mA, IB=0 2
Emitter-base breakdown voltage V(BR)EBO 5 V IE=100μA, IC=0 2
Collector cut-off current ICBO 0.1 μA VCB=50 V , IE=0 2
Collector cut-off current ICEO 1 μA VCE=35V , IB=0 2
Emitter cut-off current IEBO 0.1 μA VEB= 3V , IC=0 2
DC current gain hFE 200 1000 VCE=5V, IC= 1mA 2
Collector-emitter saturation voltage VCE(sat) 0.3 V IC=100 mA, IB= 5mA 2
Base-emitter saturation voltage VBE(sat) 1 V IC=100 mA, IB= 5mA 2
Transition frequency fT 150 MHz VCE=5V, IC= 10mA, f=30MHz 2
Collector-base voltage VCBO 50 V 2
Collector-emitter voltage VCEO 45 V 2
Emitter-base voltage VEBO 5 V 2
Collector current IC 100 mA 2
Collector power dissipation PC 200 mW 2
Junction temperature Tj 150 ℃ 2
Storage temperature Tstg -55 150 ℃ 2
Thermal resistance from junction to ambient RΘJA 625 ℃/W 2

CAD (KiCad official)

  • Symbol: S9014-MS
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: s9014-ms-etched.step / s9014-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s9014-ms.step / s9014-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (4 pp, sha256 43f79dd5ec91e96d, 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