component

2SA1179

Public Made by Adom

by adom

Changjing Bipolar Transistors - BJT, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componenttriode-mos tube-transistor2sa1179factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 2d ago
viewers 2sa1179: viewers · Ray 2d ago
2sa1179-etched.glb Publish 0.1.0 · Ray 2d ago
2sa1179-etched.step 2sa1179: factory component page (tier=lcsc) · Ray 2d ago
2sa1179-hero.glb 2sa1179: hero GLB from the etched model (keeps the MPN mark) · Ray 2d ago
2sa1179-hero.overlay.json Publish 0.1.0 · Ray 2d ago
2sa1179.glb Publish 0.1.0 · Ray 2d ago
2sa1179.kicad_mod Publish 0.1.0 · Ray 2d ago
2sa1179.kicad_sym Publish 0.1.0 · Ray 2d ago
2sa1179.lbr Publish 0.1.0 · Ray 2d ago
2sa1179.step Publish 0.1.0 · Ray 2d ago
package.json Publish 0.1.0 · Ray 2d ago
page.json Set visibility: public · Ray 2d ago
README.md Publish 0.1.0 · Ray 2d ago

2SA1179

Changjing · Bipolar Transistors - BJT · SOT-23

2SA1179 from Changjing, 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 BASE passive Base terminal of the PNP transistor, with emitter-base voltage VEBO rated at -5 V maximum.
2 EMITTER passive Emitter terminal of the PNP transistor, with emitter-base breakdown voltage V(BR)EBO of -5 V at IE=-10uA.
3 COLLECTOR passive Collector terminal of the PNP transistor, rated for -150 mA continuous collector current and collector-base voltage VCBO of -55 V.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23
Category Triode/MOS Tube/Transistor
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Collector-Base Voltage VCBO -55 V 1
Collector-Emitter Voltage VCEO -50 V 1
Emitter-Base Voltage VEBO -5 V 1
Collector Current -Continuous IC -150 mA 1
Collector Power Dissipation Pc 200 mW 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 1
Collector-base breakdown voltage V(BR)CBO -55 V IC=-10u A,IE=0 1
Collector-emitter breakdown voltage V(BR)CEO -50 V IC=-1mA,IB=0 1
Emitter-base breakdown voltage V(BR)EBO -5 V IE=-10 u A,IC=0 1
Collector cut-off current ICBO -0.1 u A VCB=-35V,IE=0 1
Emitter cut-off current IEBO -0.1 u A VEB=-4V,IC=0 1
DC current gain hFE 200 400 VCE=-6V,IC=-1mA 1
Collector-emitter saturation voltage VCE(sat) -0.5 V IC=-50mA,IB=-5mA 1
Base-emitter saturation voltage VBE(sat) -1 V IC=-50mA,IB=-5mA 1
Transition frequency fT 180 MHz VCE=-6V,IC=-10mA 1
Collector output capacitance Cob 4 pF VCB=-6V,IE=0,f=1MHz 1

CAD (KiCad official)

  • Symbol: 2SA1179
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: 2sa1179-etched.step / 2sa1179-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sa1179.step / 2sa1179.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (4 pp, sha256 8ea28322b13a86b4, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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