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Contents

README

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FC9577

GUOXIN JIAPIN SEMICONDUCTOR · Bipolar (BJT) · SOT-23

FC9577 from GUOXIN JIAPIN SEMICONDUCTOR, 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 B passive Base terminal (基极); the device's absolute limits include VCBO 20 V, VEBO 2 V and IC 35 mA at TA=25°C.
2 E passive Emitter terminal (发射极); the emitter-base breakdown voltage VEBO is rated 2 V.
3 C passive Collector terminal (集电极); the collector-emitter breakdown voltage VCEO is rated 10 V and the collector current IC is 35 mA maximum at TA=25°C.

Key specifications

Parameter Value
Manufacturer GUOXIN JIAPIN SEMICONDUCTOR
Package SOT-23
Category Transistors/Thyristors
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 20 V TA=25℃ 1
Collector-emitter voltage VCEO 10 V TA=25℃ 1
Emitter-base voltage VEBO 2 V TA=25℃ 1
Collector current IC 35 mA TA=25℃ 1
Power dissipation PC 200 mW TA=25℃ 1
Junction temperature Tj 150 ℃ 1
Storage temperature Tstg -65 150 ℃ 1
DC current gain HFE 90 150 250 VCE=3V,IC=5mA 2
Noise figure NF 1.6 2 dB VCE=3V,IC=5mA,f=1GHz 2
Collector-base cutoff current ICBO 0.1 µA VCB=10V 2
Emitter-base cutoff current IEBO 0.1 µA VEB=1V 2
Collector-base breakdown voltage VCBO 20 V IC=1.0µA 2
Gain-bandwidth product fT 9 GHz VCE=3V,IC=5mA,f=1GHz 2
Output feedback capacitance Cre 0.65 pF VCB=10V,IE=0mA,f=1MHz 2
Power gain /S21e/2 12.5 dB VCE=3V,IC=5mA,f=1GHz 2

CAD (KiCad official)

  • Symbol: FC9577
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: fc9577-etched.step / fc9577-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fc9577.step / fc9577.glb are the bare package body.

Provenance

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

  • Datasheet: GUOXIN JIAPIN SEMICONDUCTOR datasheet (5 pp, sha256 78fcd9be1d84590d, retrieved 2026-10-19, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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