component

DTA123YUA

Public Made by Adom

by adom

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

componenttriode-mos tube-transistordta123yuafactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

3D Model

Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

Datasheet

Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

DTA123YUA

Changjing · Digital Transistors · SOT-323

DTA123YUA 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 pin of the built-in bias-resistor network; the input voltage range is stated as -12 to +5 V in the maximum ratings.
2 GND power_in Ground reference pin of the digital transistor.
3 OUT output Output pin; the output current is stated as -100 mA maximum in the maximum ratings.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-323
Category Triode/MOS Tube/Transistor
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 2
Input Voltage VIN -12 5 V 2
Output Current IO -100 mA 2
Power Dissipation PD 200 mW 2
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 2
Input voltage VI(off) -0.3 V VCC=-5V,IO=-100µA 2
Input voltage VI(on) -3 V VO=-0.3V,IO=-20mA 2
Output voltage VO(on) -0.3 V IO/II=-10mA/-0.5mA 2
Input current II -3.8 mA VI=-5V 2
Output current IO(off) -0.5 µA VCC=-50V,VI=0 2
DC current gain GI 33 VO=-5V,IO=-10mA 2
Input resistance R1 1.54 2.2 2.86 kΩ 2
Resistance ratio R2/R1 3.6 4.5 5.5 2
Transition frequency fT 250 MHz VO=-10V,IO=-5mA,f=100MHz 2

CAD (KiCad official)

  • Symbol: DTA123YUA
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: dta123yua-etched.step / dta123yua-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dta123yua.step / dta123yua.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (15 pp, sha256 c348d2217a340890, retrieved 2026-10-27, 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