component

ZX5T955ZTA

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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ZX5T955ZTA

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

ZX5T955ZTA 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; emitter-base breakdown BVEBO is -7V minimum and base-emitter turn-on voltage VBE(on) is -800mV typ at IC = -3A.
2 C passive Collector (also connected to the metal tab); BVCEO is -140V, BVCBO is -180V, continuous current IC is -3A and peak pulse current ICM is -10A.
3 E passive Emitter of the PNP transistor, which is the most positive terminal in normal operation.

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
Operating and storage temperature range Tj, Tstg -55 150 °C 2
Collector-base voltage BVCBO -180 V 2
Collector-emitter voltage BVCEO -140 V 2
Emitter-base voltage BVEBO -7 V 2
Continuous collector current IC -3 A Note (a) surface mounted on 25mm x 25mm x 1.6mm FR4 PCB 2
Peak pulse current ICM -10 A 2
Power dissipation at Tamb=25°C PD 1.5 W Tamb=25°C, note (a) 25mm x 25mm x 1.6mm FR4 PCB 2
Power dissipation at Tamb=25°C PD 2.1 W Tamb=25°C, note (b) 50mm x 50mm x 1.6mm FR4 PCB 2
Junction to ambient RJA 83 °C/W note (a) 25mm x 25mm x 1.6mm FR4 PCB, still air 2
Junction to ambient RJA 60 °C/W note (b) 50mm x 50mm x 1.6mm FR4 PCB, still air 2
Collector-Base breakdown voltage BVCBO -180 -200 V IC = -100A 4
Collector-Emitter breakdown voltage BVCER -180 -200 V IC = -100A, RB<1k 4
Collector-Emitter breakdown voltage BVCEO -140 -160 V IC = -10mA (*) 4
Emitter-Base breakdown voltage BVEBO -7 -8 V IE = -100A 4
Collector cut-off current ICBO -20 nA VCB = -150V 4
Collector cut-off current ICBO -0.5 A VCB = -150V, Tamb =100oC 4
Emitter cut-off current IEBO -10 nA VEB = -6V 4
Collector-Emitter saturation voltage VCE(sat) -37 -60 mV IC = -0.1A, IB = -5mA(*) 4
Collector-Emitter saturation voltage VCE(sat) -50 -75 mV IC = -0.5A, IB = -50mA(*) 4
Collector-Emitter saturation voltage VCE(sat) -80 -115 mV IC = -1A, IB = -100mA(*) 4
Collector-Emitter saturation voltage VCE(sat) -255 -330 mV IC = -3A, IB = -300mA(*) 4
Base-emitter saturation voltage VBE(sat) -910 -1010 mV IC = -3A, IB = -300mA(*) 4
Base-emitter turn-on voltage VBE(on) -800 -900 mV IC = -3A, VCE = -5V(*) 4
Static forward current transfer ratio hFE 100 225 IC = -10mA, VCE = -5V(*) 4
Static forward current transfer ratio hFE 100 200 300 IC = -1A, VCE = -5V(*) 4
Static forward current transfer ratio hFE 45 100 IC = -3A, VCE = -5V(*) 4
Static forward current transfer ratio hFE 5 IC = -10A, VCE = -5V(*) 4

CAD (KiCad official)

  • Symbol: ZX5T955ZTA
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: zx5t955zta-etched.step / zx5t955zta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); zx5t955zta.step / zx5t955zta.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (8 pp, sha256 c739d0098dbdb9fd, retrieved 2026-10-20, 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