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DTA143ZUA

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Yangzhou Yangjie Elec Tech Digital Transistors, SOT-323(SC-70). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DTA143ZUA

Yangzhou Yangjie Elec Tech · Digital Transistors · SOT-323(SC-70)

DTA143ZUA from Yangzhou Yangjie Elec Tech, in a SOT-323(SC-70). 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 IN input Input via built-in series resistor R1 (4.7 kΩ typ) to the PNP base; input voltage rating is -30 V to +5 V.
2 GND power_in Ground/emitter reference, shown as GND(+) in the equivalent circuit; supply voltage VCC max is -50 V.
3 OUT output Output (collector) of the PNP digital transistor; output current rating is -100 mA.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SOT-323(SC-70)
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
Input voltage VI(off) VI(off) -0.5 V VCC=-5V,Ic=-100uA 2
Input voltage VI(on) VI(on) -1.3 V Vo=-0.3V,Ic=-5mA 2
Output voltage Vo(on) -0.3 V Io /Ii =-5mA/-0.25 mA 2
Input current I I -1.8 mA VI=5V 2
Output current IO(off) -0.5 uA VCC=-50V, Vi=0 2
DC current gain GI 80 Vo=-5V, Io =-10mA 2
Input resistance R1 3.29 4.7 6.11 kΩ 2
Resistance ratio R2/R1 8 10 12 2
Transition frequency fT 250 MHz Vo=-10V,IO=-5mA,f=100MHz 2
Supply voltage VCC -50 V 1
Input voltage VIN -30 5 V 1
Output current IO -100 mA 1
Power dissipation PD 200 mW 1
Junction temperature Tj 150 ℃ 1
Storage temperature TSTG -55 150 ℃ 1

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: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: DTA143ZUA
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323(SC-70) (KiCad packages3D, STEP)
  • 3D model files: dta143zua-etched.step / dta143zua-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dta143zua.step / dta143zua.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 e5b4d8aaf7bc6c5b, retrieved 2026-11-04, 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