component

DDTA143TCA-7-F

Public Made by Adom

by adom

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

componenttransistors-thyristorsddta143tca-7-ffactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 18d ago
viewers ddta143tca-7-f: viewers · Ray 18d ago
ddta143tca-7-f-etched.glb Publish 0.1.0 · Ray 18d ago
ddta143tca-7-f-etched.step ddta143tca-7-f: factory component page (tier=mfr) · Ray 18d ago
ddta143tca-7-f-hero.glb ddta143tca-7-f: hero GLB from the etched model (keeps the MPN mark) · Ray 18d ago
ddta143tca-7-f-hero.overlay.json Publish 0.1.0 · Ray 18d ago
ddta143tca-7-f.glb Publish 0.1.0 · Ray 18d ago
ddta143tca-7-f.kicad_mod Publish 0.1.0 · Ray 18d ago
ddta143tca-7-f.kicad_sym Publish 0.1.0 · Ray 18d ago
ddta143tca-7-f.lbr Publish 0.1.0 · Ray 18d ago
ddta143tca-7-f.step Publish 0.1.0 · Ray 18d ago
package.json Publish 0.1.0 · Ray 18d ago
page.json Set visibility: public · Ray 18d ago
README.md Publish 0.1.0 · Ray 18d ago

DDTA143TCA-7-F

Diodes Incorporated · Digital Transistors · SOT-23

DDTA143TCA-7-F from Diodes Incorporated, 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 B input Base input through built-in 4.7kΩ (nominal, ±30%) series resistor R1; emitter-base voltage limit is -5V.
2 E passive Emitter of the PNP transistor; VEBO rating is -5V.
3 C passive Collector of the PNP transistor; VCEO -50V, VCBO -50V, IC max -100mA.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
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
Collector-Base Voltage VCBO -50 V TA = +25°C 2
Collector-Emitter Voltage VCEO -50 V TA = +25°C 2
Emitter-Base Voltage VEBO -5 V TA = +25°C 2
Collector Current IC (Max) -100 mA TA = +25°C 2
Power Dissipation PD 200 mW TA = +25°C, Note 5 2
Thermal Resistance, Junction to Ambient Air RθJA 625 °C/W Note 5, TA = +25°C 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Collector-Base Breakdown Voltage BVCBO -50 V IC = -50μA 2
Collector-Emitter Breakdown Voltage BVCEO -50 V IC = -1mA 2
Emitter-Base Breakdown Voltage BVEBO -5 V IE = -50μA 2
Collector Cutoff Current ICBO -0.5 μA VCB = -50V 2
Emitter Cutoff Current IEBO -0.5 μA VEB = -4V 2
Collector-Emitter Saturation Voltage VCE(sat) -0.3 V IC/IB = -2.5mA/-0.25mA 2
DC Current Transfer Ratio hFE 100 250 600 IC = -1mA, VCE = -5V 2
Input Resistor (R1) Tolerance ∆R1 -30 30 % 2
Input Resistor R1 nominal R1 4.7 kΩ R1 (NOM) 1
Gain-Bandwidth Product fT 250 MHz VCE = -10V, IE = -5mA, f = 100MHz 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin • Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: DDTA143TCA-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ddta143tca-7-f-etched.step / ddta143tca-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddta143tca-7-f.step / ddta143tca-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 96d720102c63c8b8, retrieved 2026-10-23, tier: manufacturer)
  • 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