component

BCX56SQ-16

Public Made by Adom

by adom

PJSEMI Bipolar (BJT), SOT-89. 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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BCX56SQ-16

PJSEMI · Bipolar (BJT) · SOT-89

BCX56SQ-16 from PJSEMI, 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; emitter-base voltage VEBO max 5 V, with hFE 100 to 250 at VCE = 2 V, IC = 150 mA for the -16 grade.
2 C passive Collector (also the tab); VCBO 100 V, VCEO 80 V, IC 1 A continuous and 1.5 A peak.
3 E passive Emitter; junction temperature up to 150 ℃ and VCE(sat) max 0.5 V at IC = 500 mA, IB = 50 mA.

Key specifications

Parameter Value
Manufacturer PJSEMI
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
DC current gain (BCX56SQ-16 group) hFE 40 VCE = 2 V, IC = 5 mA 1
DC current gain (BCX56SQ-16 group) hFE 100 250 VCE = 2 V, IC = 150 mA 1
DC current gain hFE 25 VCE = 2 V, IC = 500 mA 1
Collector Base Cutoff Current ICBO 100 nA VCB = 30 V 1
Emitter Base Cutoff Current IEBO 100 nA VEB = 5 V 1
Collector Base Breakdown Voltage V(BR)CBO 100 V IC = 100 µA 1
Collector Emitter Breakdown Voltage V(BR)CEO 80 V IC = 1 mA 1
Emitter Base Breakdown Voltage V(BR)EBO 5 V IE = 100 µA 1
Collector Emitter Saturation Voltage VCE(sat) 0.5 V IC = 500 mA, IB = 50 mA 1
Base Emitter Voltage VBE 1 V VCE = 2 V, IC = 500 mA 1
Transition Frequency fT 100 MHz VCE = 5 V, IC = 50 mA, f = 100 MHz 1
Collector Base Voltage VCBO 100 V 1
Collector Emitter Voltage VCEO 80 V 1
Emitter Base Voltage VEBO 5 V 1
Collector Current IC 1 A 1
Peak Collector Current ICM 1.5 A 1
Total Power Dissipation Ptot 0.5 W FR4 PCB, single-sided copper, standard footprint (note 1) 1
Total Power Dissipation Ptot 1.3 W FR4 PCB, single-sided copper, 6 cm2 collector mounting pad (note 2) 1
Junction Temperature TJ 150 ℃ 1
Storage Temperature Range Tstg -65 150 ℃ 1

CAD (KiCad official)

  • Symbol: BCX56SQ-16
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: bcx56sq-16-etched.step / bcx56sq-16-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bcx56sq-16.step / bcx56sq-16.glb are the bare package body.

Provenance

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

  • Datasheet: PJSEMI datasheet (3 pp, sha256 723216686fdb441b, retrieved 2026-10-17, 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