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BCX52

Public Made by Adom

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

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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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BCX52

Yangzhou Yangjie Elec Tech · Bipolar (BJT) · SOT-89

BCX52 from Yangzhou Yangjie Elec Tech, 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 B input Base of the PNP transistor; VEBO limit is -5 V (IE=-100uA, IC=0).
2 C passive Collector, joined to the exposed tab; VCEO -60 V, VCBO -60 V, IC max -1 A, PC 500 mW.
3 E passive Emitter of the PNP transistor; VEBO limit is -5 V relative to the base.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SOT-89
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-Emitter Voltage VCEO -60 V IC=-1mA, IB=0 2
Collector-Base Voltage VCBO -60 V IC=-100uA, IE=0 2
Emitter-Base Voltage VEBO -5 V IE=-100uA, IC=0 2
Collector-Base cut-off current ICBO -100 nA VCB=-30V 2
Emitter-Base cut-off current IEB0 -100 nA VEB=-5V 2
DC Current Gain hFE1 hFE1 63 250 VCE=-2V IC=-150mA 2
DC Current Gain hFE2 hFE2 63 VCE=-2V IC=-5mA 2
DC Current Gain hFE3 hFE3 40 VCE=-2V IC=-500mA 2
Collector-Emitter Saturation Voltage VCE(sat) -0.5 V IC=-500mA IB=-50mA 2
Base-Emitter Voltage VBE -1 V VCE=-2V IC=-500mA 2
Transition Frequency fT 50 MHz IC=-10mA, VCE=-5V,f=100MHz 2
Collector-Emitter Voltage (maximum rating) VCEO -60 V IC=-1mA, IB=0 1
Collector-Base Voltage (maximum rating) VCBO -60 V IC=-100uA, IE=0 1
Emitter-Base Voltage (maximum rating) VEBO -5 V IE=-100uA, IC=0 1
Collector Current IC -1 A 1
Collector Power Dissipation PC 500 mW 1
Operation Junction Temperature Tj -55 150 ℃ 1
Storage Temperature Tstg -55 150 ℃ 1
Thermal Resistance From Junction To Ambient RθJA 250 ℃/W 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: BCX52
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: bcx52-etched.step / bcx52-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bcx52.step / bcx52.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 cabdaea04bf2e864, retrieved 2026-11-04, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+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