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DDTC124EUAQ-7-F

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

componenttransistors-thyristorsddtc124euaq-7-ffactory-2.0.0extractor-text

Verified DDTC124EUAQ-7-F

by Ray · last 6 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

6 Nov 2026RayPublished by the parts factory: tier mfr, 3 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: DDTC124EUAQ-7-F · SOT-323 · 3 pins
  • ✓copper: 3 copper pads, none touching another net
  • ✓datasheet: all 3 pin names found in the 5-page datasheet
  • ✓distributor: lcsc C5248765, digikey 31-DDTC124EUAQ-7-FTR-ND, mouser 621-DDTC124EUAQ-7-F
  • ✓family: SOT-323_SC-70
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-f3x_oa9s/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 3 pins = 3 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 3 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ ddtc124euaq-7-f.kicad_sym✓ ddtc124euaq-7-f.kicad_mod✓ ddtc124euaq-7-f.step
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Ray Publish 0.1.0 6ad60c0 10h ago

DDTC124EUAQ-7-F

Diodes Incorporated · Digital Transistors · SOT-323

DDTC124EUAQ-7-F from Diodes Incorporated, 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 (base) through built-in R1 = 22k; input voltage rated -10 to +40 V measured from pin 1 to pin 2 for the DDTC124EUA.
2 GND (0) power_in Ground (emitter) reference pin; the supply voltage (pin 3 to 2) and input voltage (pin 1 to 2) ratings are measured against it.
3 OUT output Output (collector) of the NPN pre-biased transistor; supply voltage VCC maximum 50 V from pin 3 to pin 2, output current 30 mA for the DDTC124EUA.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
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
Input Voltage OFF Vl(OFF) 0.5 1.1 V VCC = 5V, IO = 100µA 2
Input Voltage ON Vl(ON) 1.9 3 V VO = 0.3V, IO = 5mA, DDTC124EUA 2
Output Voltage ON VO(ON) 0.1 0.3 V IO/Il = 10mA/0.5mA, DDTC124EUA 2
Input Current Il 0.36 mA VI = 5V, DDTC124EUA 2
Output Current OFF IO(OFF) 0.5 µA VCC = 50V, VI = 0V 2
DC Current Gain Gl 56 VO = 5V, IO = 5mA, DDTC124EUA 2
Input Resistor (R1) Tolerance R1 -30 30 % 2
Input Resistor R1 nominal R1 22 kΩ DDTC124EUA (R1 = R2 NOM) 1
Resistance Ratio R2/R1 0.8 1 1.2 2
Gain-Bandwidth Product fT 250 MHz VCE = 10V, IE = 5mA, f = 100MHz 2
Supply Voltage VCC 50 V Pin (3) to (2) 2
Input Voltage VIN -10 40 V Pin (1) to (2), DDTC124EUA 2
Output Current IO 30 mA DDTC124EUA 2
Output Current All IC(MAX) 100 mA 2
Power Dissipation PD 200 mW Mounted on FR-4 PC Board with minimum recommended pad layout 2
Thermal Resistance, Junction to Ambient RθJA 625 C/W Mounted on FR-4 PC Board with minimum recommended pad layout 2
Operating and Storage Temperature Range TJ, TSTG -55 150 C 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: DDTC124EUAQ-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: ddtc124euaq-7-f-etched.step / ddtc124euaq-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddtc124euaq-7-f.step / ddtc124euaq-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 aaf1276e48864742, retrieved 2026-11-06, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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