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SS8550

Public Made by Adom

by adom

hongjiacheng Bipolar (BJT), SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

componenttransistors-thyristorsss8550
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs ss8550: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
viewers ss8550: viewers · Ray 27d ago
package.json Publish 0.1.0 · Ray 27d ago
page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 11d ago
README.md ss8550: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 15d ago
ss8550-etched.fit.json ss8550: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ss8550-etched.glb ss8550: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ss8550-etched.step ss8550: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ss8550.glb Publish 0.1.0 · Ray 27d ago
ss8550.kicad_mod Publish 0.1.0 · Ray 27d ago
ss8550.kicad_sym Publish 0.1.0 · Ray 27d ago
ss8550.lbr Publish 0.1.0 · Ray 27d ago
ss8550.step Publish 0.1.0 · Ray 27d ago

SS8550

hongjiacheng · Bipolar (BJT) · SOT-23

SS8550 from hongjiacheng, 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 B input Base terminal of the PNP BJT. Drive current into base (negative relative to emitter for PNP forward-active operation). VBE(sat) max -1.2V at IC=-800mA, IB=-80mA.
2 E passive Emitter terminal of the PNP BJT. Typically tied to the higher potential (e.g. VCC) in high-side switching or common-emitter configurations. VEBO max -5.0V.
3 C passive Collector terminal of the PNP BJT. VCBO max -40V, VCEO max -25V, IC max -1.5A. VCE(sat) max -0.5V at IC=-800mA, IB=-80mA.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • SS8550R1

CAD (KiCad official)

  • Symbol: SS8550
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ss8550-etched.step / ss8550-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ss8550.step / ss8550.glb are the bare package body.

Provenance

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

  • Datasheet: hongjiacheng datasheet (3 pp, sha256 e0535b4723c7363e, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF