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FCX718TA

Public Made by Adom

by adom

Diodes Incorporated Bipolar (BJT), SOT-89-3. 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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FCX718TA

Diodes Incorporated · Bipolar (BJT) · SOT-89-3

FCX718TA from Diodes Incorporated, in a SOT-89-3. 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; base current is limited to -500 mA and VEBO to -5 V.
2 C passive Collector (middle lead, also the left-hand tab on the pin-out drawing); VCEO -20 V, continuous IC -2.5 A, peak ICM -6 A.
3 E passive Emitter of the PNP transistor; VEBO rating is -5 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-89-3
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 2
Collector-Emitter Voltage VCEO -20 V 2
Emitter-Base Voltage VEBO -5 V 2
Continuous Collector Current IC -2.5 A 2
Peak Pulse Collector Current ICM -6 A single pulse 2
Base Current IB -500 mA 2
Power Dissipation (Note 5) PD 1 W Note 5: 15mm x 15mm x 0.6mm FR4 PCB, 1oz copper, still air 2
Power Dissipation (Note 6) PD 2 W Note 6: 40mm x 40mm x 0.6mm FR4 PCB, 1oz copper, still air 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Collector Cutoff Current ICBO -100 nA VCB = -15V 2
Emitter Cutoff Current IEBO -100 nA VEB = -4V 2
Collector-Emitter Cutoff Current ICES -100 nA VCES = -15V 2
Collector-Base Breakdown Voltage BVCBO -20 -65 V IC = -100μA 2
Collector-Emitter Breakdown Voltage (Note 7) BVCEO -20 -55 V IC = -10mA 2
Emitter-Base Breakdown Voltage BVEBO -5 -8.8 V IE = -100μA 2
Collector-Emitter Saturation Voltage (Note 7) VCE(sat) -16 -40 mV IC = -0.1A, IB = -10mA 2
Collector-Emitter Saturation Voltage (Note 7) VCE(sat) -130 -200 mV IC = -1A, IB = -20mA 2
Collector-Emitter Saturation Voltage (Note 7) VCE(sat) -145 -220 mV IC = -1.5A, IB = -50mA 2
Collector-Emitter Saturation Voltage (Note 7) VCE(sat) -300 mV IC = -2.5A, IB = -200mA 2
Base-Emitter Saturation Voltage (Note 7) VBE(sat) -0.98 -1.1 mV IC = -2.5 IB = -200mA 2
Base-Emitter Turn-On Voltage (Note 7) VBE(on) -0.85 -0.95 mV IC = -2.5A, VCE = -2V 2
DC Current Gain (Note 7) hFE 300 475 IC = -10mA, VCE = -2V 2
DC Current Gain (Note 7) hFE 300 450 IC = -0.1A, VCE = -2V 2
DC Current Gain (Note 7) hFE 150 230 IC = -2A, VCE = -2V 2
DC Current Gain (Note 7) hFE 35 70 IC = -4A, VCE = -2V 2
DC Current Gain (Note 7) hFE 15 30 IC = -6A, VCE = -2V 2
Transition Frequency fT 150 180 MHz IC = -50mA, VCE = -10V, f = 100MHz 2
Output Capacitance Cobo 21 30 pF VCB = -10V, f = 1MHz 2
Turn-On Time ton 40 ns IC = -0.75A, VCC = -15V, IB1 = -IB2 = -15mA 2
Turn-Off Time toff 670 ns IC = -0.75A, VCC = -15V, IB1 = -IB2 = -15mA 2

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: Finish - Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: FCX718TA
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: fcx718ta-etched.step / fcx718ta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fcx718ta.step / fcx718ta.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 78bc394715812c8d, retrieved 2026-10-18, 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