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2N3906S-RTK

Public Made by Adom

by adom

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

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Generated by kicad-footprint-generator · KiCad file format 20260206
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2N3906S-RTK

KEC Semicon · Bipolar (BJT) · SOT-23

2N3906S-RTK from KEC Semicon, 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 EMITTER passive Emitter terminal of the PNP transistor; the datasheet limits emitter-base voltage to VEBO = -5 V and the emitter-base breakdown voltage V(BR)EBO to a minimum of -5.0 V at IE = -10 µA.
2 BASE passive Base terminal of the PNP transistor; the datasheet limits base current to IB = -50 mA (maximum rating).
3 COLLECTOR passive Collector terminal of the PNP transistor; the datasheet limits collector-base voltage to VCBO = -40 V, collector-emitter voltage to VCEO = -40 V and collector current to IC = -200 mA, with 350 mW collector power dissipation when the package is mounted on 99.5% alumina 10×8×0.6 mm.

Key specifications

Parameter Value
Manufacturer KEC Semicon
Package SOT-23
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: 2N3906S-RTK
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: 2n3906s-rtk-etched.step / 2n3906s-rtk-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2n3906s-rtk.step / 2n3906s-rtk.glb are the bare package body.

Provenance

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

  • Datasheet: KEC Semicon datasheet (4 pp, sha256 42b31066d509301c, retrieved 2026-10-09, 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