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Contents

README

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DTA143ZKA

Foshan Blue Rocket Elec · Digital Transistors · SOT-23

DTA143ZKA from Foshan Blue Rocket Elec, in a SOT-23. 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 Base input Base terminal of the built-in bias-resistor PNP digital transistor, with input voltage VI(off) of -0.5 V max and VI(on) of -1.3 V max at IO = -5.0 mA, and R1 of 4.7 kΩ typical (3.29 to 6.11 kΩ).
2 Emitter passive Emitter terminal of the PNP digital transistor, rated for an output current IO of -100 mA in the absolute maximum ratings.
3 Collector passive Collector terminal of the PNP digital transistor, rated for output voltage VCC of -50 V, collector current IC of -100 mA and power dissipation PC of 200 mW.

Key specifications

Parameter Value
Manufacturer Foshan Blue Rocket Elec
Package SOT-23
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
Output Voltage VCC -50 V 2
Input Voltage VIN -30 5 V 2
Output Current IO -100 mA 2
Collector Current IC -100 mA 2
Power Dissipation PC 200 mW 2
Junction Temperature Tj 150 ℃ 2
Storage Temperature Range Tstg -55 150 ℃ 2
Input Voltage (off) VI(off) -0.5 V VCC=-5.0V IO=-100μA 2
Input Voltage (on) VI(on) -1.3 V VO=-0.3V IO=-5.0mA 2
Output Voltage VO(on) -0.1 -0.3 V IO=-5.0mA II=-0.25mA 2
Input Current II -1.8 mA VI=-5.0V 2
Output Cut-off Current IO(off) -0.5 μA VCC=-50V VI=0V 2
DC Current Gain GI 80 VO=-5.0V IO=-10mA 2
Transition Frequency fT 250 MHz VCE=-10V IE=5.0mA f=100MHz 2
Resistance1 R1 3.29 4.7 6.11 KΩ 2
Resistance Ratio R2/R1 8 10 12 2

CAD (KiCad official)

  • Symbol: DTA143ZKA
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: dta143zka-etched.step / dta143zka-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dta143zka.step / dta143zka.glb are the bare package body.

Provenance

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

  • Datasheet: Foshan Blue Rocket Elec datasheet (6 pp, sha256 9605d33e7e1a4b17, retrieved 2026-10-17, 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