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AD-DTA114YUA

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Changjing Digital Transistors, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AD-DTA114YUA

Changjing · Digital Transistors · SOT-323

AD-DTA114YUA from Changjing, 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 IN input Input via built-in R1 (typ. 10 kΩ) to the PNP base; input voltage range -40 V to +6 V, VI(off) min -0.3 V, VI(on) max -1.4 V.
2 GND power_in Ground/positive reference (emitter side, shown as GND(+) in the equivalent circuit), with supply voltage Vcc rated -50 V.
3 OUT output Output (collector) of the PNP digital transistor, output current rated -70 mA with peak collector current -100 mA.

Key specifications

Parameter Value
Manufacturer Changjing
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
Supply voltage Vcc -50 V 3
Input voltage VIN -40 6 V 3
Output current IO -70 mA Tj = 25°C (footnote 1) 3
Peak collector current ICM -100 mA Tj = 25°C (footnote 1) 3
Maximum power dissipation (UA column, SOT-323) PD 200 mW Tj = 25°C (footnote 1) 3
Operating junction and storage temperature range Tj, Tstg -55 150 °C 3
Input voltage (off) VI(off) -0.3 V VCC = -5V, IO = -100µA 3
Input voltage (on) VI(on) -1.4 V VO = -0.3V, IO = -1mA 3
Output voltage (on) VO(on) -0.3 V IO/II = -5mA/-0.25mA 3
Input current II -0.88 mA VI = -5V 3
Output current (off) IO(off) -0.5 µA VCC = -50V, VI = 0V 3
DC current gain GI 68 VO = -5V, IO = -5mA 3
Input resistance R1 7 10 13 kΩ 3
Resistance ratio R2 /R1 3.7 4.7 5.7 3

CAD (KiCad official)

  • Symbol: AD-DTA114YUA
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: ad-dta114yua-etched.step / ad-dta114yua-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad-dta114yua.step / ad-dta114yua.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (17 pp, sha256 5150450c6591ed07, retrieved 2026-10-19, 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