component

FCX605TA

Public Made by Adom

by adom

Diodes Incorporated Darlington Transistors, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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FCX605TA

Diodes Incorporated · Darlington Transistors · SOT-89

FCX605TA from Diodes Incorporated, 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 NPN Darlington transistor; drive with IB = 1mA for IC = 1A (VCE(SAT) < 1.5V) and VBE(ON) max 1.7V at IC = 1A.
2 C passive Collector (middle lead, also the exposed collector tab); VCEO 120V, VCBO 140V, continuous IC 1A, peak ICM 4A.
3 E passive Emitter of the Darlington pair; emitter-base voltage VEBO limited to 10V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
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-Base Breakdown Voltage BVCBO 140 V IC = 100µA 4
Collector-Emitter Breakdown Voltage BVCEO 120 V ICEO = 10mA 4
Emitter-Base Breakdown Voltage BVEBO 10 V IEBO = 100µA 4
Collector Cut-off Current ICBO 100 nA VCB = 10V 4
Collector Cut-off Current ICBO 10 µA VCB = 120V, TA = +100°C 4
Emitter-base Cut-off Current IEBO 0.1 µA VEB = 8V 4
Collector Emitter Cut-Off Current ICES 10 µA VCES = 120V 4
Collector-Emitter Saturation Voltage VCE(SAT) 1 V IC = 250mA, IB = 0.25mA 4
Collector-Emitter Saturation Voltage VCE(SAT) 1.5 V IC = 1A, IB = 1mA 4
Base-Emitter Saturation Voltage VBE(SAT) 1.8 V IC = 1A, IB = 1mA 4
Base-Emitter Turn-On Voltage VBE(ON) 1.7 V IC = 1A, VCE = 5V 4
Transition Frequency fT 150 MHz IC = 100mA, VCE = 10V; f = 20MHz 4
Collector-Base Voltage VCBO 140 V 2
Collector-Emitter Voltage VCEO 120 V 2
Emitter-Base Voltage VEBO 10 V 2
Continuous Collector Current IC 1 A 2
Peak Pulse Current ICM 4 A 2
Power Dissipation PD 0.9 W Note 6 (25mm x 25mm 1oz copper) 2
Power Dissipation PD 1 W Note 5 (15mm x 15mm 1oz copper) 2
Thermal Resistance, Junction to Ambient RθJA 139 C/W Note 6 (25mm x 25mm 1oz copper) 2
Thermal Resistance, Junction to Ambient RθJA 125 C/W Note 5 (15mm x 15mm 1oz copper) 2
Thermal Resistance, Junction to Leads RθJL 5.2 C/W Note 7 (junction to solder-point) 2
Operating and Storage Temperature Range TJ, TSTG -55 150 C 2
Electrostatic Discharge - Human Body Model ESD HBM 2000 V JEDEC Class 2 2
Electrostatic Discharge - Machine Model ESD MM 200 V JEDEC Class B 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: FCX605TA
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: fcx605ta-etched.step / fcx605ta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fcx605ta.step / fcx605ta.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 450f3d9e13beddbe, retrieved 2026-10-19, tier: lcsc)
  • 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