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ZUMT591TA

Public Made by Adom

by adom

Diodes Incorporated Bipolar (BJT), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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zumt591ta-etched.step zumt591ta: factory component page (tier=lcsc) · Ray 2h ago
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ZUMT591TA

Diodes Incorporated · Bipolar (BJT) · SOT-323

ZUMT591TA from Diodes Incorporated, in a SOT-323. 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; absolute maximum base current is -200 mA and emitter-base voltage is -5 V.
2 E passive Emitter of the PNP transistor; emitter-base breakdown voltage V(BR)EBO is -5 V minimum.
3 C passive Collector of the PNP transistor; VCEO is -60 V, VCBO is -80 V, continuous current IC is -1 A and peak pulse current ICM is -2 A.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-323
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 -80 V 1
Collector-Emitter Voltage VCEO -60 V 1
Emitter-Base Voltage VEBO -5 V 1
Peak Pulse Current ICM -2 A 1
Continuous Collector Current IC -1 A 1
Base Current IB -200 mA 1
Power Dissipation Ptot 500 mW Tamb=25°C 1
Operating and Storage Temperature Range Tj:Tstg -55 150 °C 1
Collector-Base Breakdown Voltage V(BR)CBO -80 V IC=-100µA, IE=-0 1
Collector-Emitter Breakdown Voltage VCEO(sus) -60 V IC=-10mA*, IB=-0 1
Emitter-Base Breakdown Voltage V(BR)EBO -5 V IE=-100µA, IC=-0 1
Collector Cut-Off Current ICBO -100 nA VCB=-60V 1
Emitter Cut-Off Current IEBO -100 nA VEB=-4V, IC=-0 1
Collector-Emitter Saturation Voltage VCE(sat) -0.3 V IC=-500mA, IB=-50mA* 1
Collector-Emitter Saturation Voltage VCE(sat) -0.6 V IC=-1A, IB=-100mA* 1
Base-Emitter Saturation Voltage VBE(sat) -1.2 V IC=-1A, IB=-100mA* 1
Base-Emitter Turn On Voltage VBE(on) -1 V IC=-1A, VCE=-5V* 1
Static Forward Current Transfer Ratio hFE 100 IC=-1mA, VCE=-5V* 2
Static Forward Current Transfer Ratio hFE 80 IC=-1A, VCE=-5V* 2
Static Forward Current Transfer Ratio hFE 15 IC=-2A, VCE=-5V* 2

CAD (KiCad official)

  • Symbol: ZUMT591TA
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: zumt591ta-etched.step / zumt591ta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); zumt591ta.step / zumt591ta.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (2 pp, sha256 756e5285ecbc2be1, 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