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DTD143EG-AE3-R

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UTC Unisonic Tech Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs dtd143eg-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
viewers dtd143eg-ae3-r: viewers · Ray
dtd143eg-ae3-r-etched.fit.json dtd143eg-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
dtd143eg-ae3-r-etched.glb dtd143eg-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
dtd143eg-ae3-r-etched.step dtd143eg-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
dtd143eg-ae3-r.glb Publish 0.1.0 · Ray
dtd143eg-ae3-r.kicad_mod Publish 0.1.0 · Ray
dtd143eg-ae3-r.kicad_sym Publish 0.1.0 · Ray
dtd143eg-ae3-r.lbr Publish 0.1.0 · Ray
dtd143eg-ae3-r.step Publish 0.1.0 · Ray
package.json dtd143eg-ae3-r: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray
page.json dtd143eg-ae3-r: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray
README.md Initial commit: component/dtd143eg-ae3-r · Ray

DTD143EG-AE3-R

UTC Unisonic Tech · Digital Transistors · SOT-23

DTD143EG-AE3-R from UTC Unisonic Tech, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 G power_in Ground/emitter connection for the NPN transistor.
2 I input Input signal connection with built-in bias resistor network; input voltage range -10 V to +30 V absolute maximum.
3 O output Collector output connection; output current up to 500 mA maximum with saturation voltage 0.1 V to 0.3 V.

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
Package SOT-23
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: DTD143EG-AE3-R
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: dtd143eg-ae3-r-etched.step / dtd143eg-ae3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dtd143eg-ae3-r.step / dtd143eg-ae3-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC Unisonic Tech datasheet (3 pp, sha256 b466df2a79fe7c09, retrieved 2026-09-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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