component

S8550-TA

Public Made by Adom

by adom

Changjing Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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s8550-ta-hero.glb s8550-ta: hero GLB from the etched model (keeps the MPN mark) · Ray 8d ago
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S8550-TA

Changjing · Bipolar (BJT) · TO-92

S8550-TA from Changjing, in a TO-92. 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 of the PNP transistor; emitter-base voltage limit is -5 V.
2 BASE passive Base of the PNP transistor; used to control collector current up to -0.5 A.
3 COLLECTOR passive Collector of the PNP transistor; collector-base -40 V, collector-emitter -25 V, continuous current -0.5 A maximum.

Key specifications

Parameter Value
Manufacturer Changjing
Package TO-92
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: S8550-TA
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: s8550-ta-etched.step / s8550-ta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s8550-ta.step / s8550-ta.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 844f7580a5b101cd, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-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