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DTC143TE

Public Made by Adom

by adom

Changjing Digital Transistors, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DTC143TE

Changjing · Digital Transistors · SOT-523

DTC143TE from Changjing, in a SOT-523. 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 terminal of the digital transistor, with a built-in bias input resistor R1 of 4.7 kΩ typical (3.29 kΩ min, 6.11 kΩ max), so no external input resistor is needed.
2 GND power_in Ground reference pin for the device.
3 OUT output Output terminal of the NPN digital transistor; the datasheet limits for the device are VCEO 50 V and IC 100 mA maximum.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-523
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
Collector-base breakdown voltage V(BR)CBO 50 V Ic=50µA,IE=0 2
Collector-emitter breakdown voltage V(BR)CEO 50 V Ic=1mA,IB=0 2
Emitter-base breakdown voltage V(BR)EBO 5 V IE=50µA,IC=0 2
Collector cut-off current ICBO 0.5 μA VCB=50V,IE=0 2
Emitter cut-off current IEBO 0.5 μA VEB=4V,IC=0 2
Collector-emitter saturation voltage VCE(sat) 0.3 V IC=5mA,IB=0.25mA 2
DC current gain hFE 100 600 VCE=5V,IC=1mA 2
Input resistor R1 R1 3.29 4.7 6.11 kΩ 2
Transition frequency fT 250 MHz VCE=10V,IE=-5mA, f=100MHz 2
Collector-base voltage VCBO 50 V 2
Collector-emitter voltage VCEO 50 V 2
Emitter-base voltage VEBO 5 V 2
Collector current IC 100 mA 2
Power dissipation (DTC143TE, SOT-523 column) PD 150 mW 2
Junction temperature Tj 150 ℃ 2
Storage temperature Tstg -55 150 ℃ 2

CAD (KiCad official)

  • Symbol: DTC143TE
  • Footprint: Package_TO_SOT_SMD:SOT-523
  • 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: dtc143te-etched.step / dtc143te-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dtc143te.step / dtc143te.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (15 pp, sha256 8354b7550ef886aa, retrieved 2026-10-18, 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