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Contents

README

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PMBT3906

Nexperia · Bipolar (BJT) · SOT-23

PMBT3906 from Nexperia, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 base input Base terminal serving as control input; maximum emitter-base voltage −6 V, peak base current −100 mA.
2 emitter passive Emitter terminal; maximum collector current −200 mA, with collector-emitter saturation voltage from −250 mV (IC = −10 mA, IB = −1 mA) to −400 mV (IC = −50 mA, IB = −5 mA).
3 collector passive Collector terminal; maximum collector-emitter voltage −40 V, maximum collector-base voltage −40 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: PMBT3906
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: pmbt3906-etched.step / pmbt3906-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pmbt3906.step / pmbt3906.glb are the bare package body.

Provenance

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

  • Datasheet: Nexperia datasheet (11 pp, sha256 46ecf3679c70a3f1, retrieved 2026-09-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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