component

PXT8550

Public Made by Adom

by adom

TWGMC Bipolar (BJT), SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componenttransistors-thyristorspxt8550factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 20d ago
viewers pxt8550: viewers · Ray 20d ago
package.json Publish 0.1.0 · Ray 20d ago
page.json Set visibility: public · Ray 20d ago
pxt8550-etched.glb pxt8550: factory component page (tier=lcsc) · Ray 20d ago
pxt8550-etched.step pxt8550: factory component page (tier=lcsc) · Ray 20d ago
pxt8550-hero.glb pxt8550: hero GLB from the etched model (keeps the MPN mark) · Ray 20d ago
pxt8550-hero.overlay.json Publish 0.1.0 · Ray 20d ago
pxt8550.glb Publish 0.1.0 · Ray 20d ago
pxt8550.kicad_mod Publish 0.1.0 · Ray 20d ago
pxt8550.kicad_sym Publish 0.1.0 · Ray 20d ago
pxt8550.lbr Publish 0.1.0 · Ray 20d ago
pxt8550.step Publish 0.1.0 · Ray 20d ago
README.md Publish 0.1.0 · Ray 20d ago

PXT8550

TWGMC · Bipolar (BJT) · SOT-89

PXT8550 from TWGMC, in a SOT-89. 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; the datasheet rates the emitter-base voltage VEBO at -5 V and gives VBE(sat) of -1.2 V max at IC=-800mA, IB=-80mA.
2 COLLECTOR passive Collector terminal of the PNP transistor; rated for VCBO -40 V, VCEO -25 V, continuous collector current -1.5 A, and collector power dissipation 0.5 W.
3 EMITTER passive Emitter terminal of the PNP transistor; the emitter-base breakdown voltage V(BR)EBO is -5 V at IE=-100μA with IC=0.

Key specifications

Parameter Value
Manufacturer TWGMC
Package SOT-89
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: PXT8550
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: pxt8550-etched.step / pxt8550-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pxt8550.step / pxt8550.glb are the bare package body.

Provenance

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

  • Datasheet: TWGMC datasheet (3 pp, sha256 c60ea47ecef48481, 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