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DDTC114ECAQ-7-F

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

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DDTC114ECAQ-7-F

Diodes Incorporated · Digital Transistors · SOT-23-3

DDTC114ECAQ-7-F from Diodes Incorporated, in a SOT-23-3. 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 to the built-in bias network (R1 = 10kΩ nominal for DDTC114ECA); the input voltage is limited to -10 V to +40 V (pin 1 to pin 2) and the input current is 0.88 mA at VI = 5 V.
2 GND power_in Ground and common reference for the device, used as the reference for the supply and input voltage ratings (pin 3 to pin 2 supply up to 50 V, pin 1 to pin 2 input -10 V to +40 V).
3 OUT output Open-collector NPN output, rated at 50 mA output current (DDTC114ECA) and 100 mA maximum collector current, with supply voltage VCC up to 50 V referenced to pin 2.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23-3
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)), as printed in the min/typ/max columns Vl(off) 0.5 1.1 V VCC = 5V, IO = 100μA 2
Input voltage on (Vl(on)) Vl(on) 1.9 3 V VO = 0.3V, IO = 10mA, DDTC114ECA 2
Output voltage on (VO(on)) VO(on) 0.1 0.3 V IO/Il = 10mA/0.5mA, DDTC114ECA 2
Input current Il 0.88 mA VI = 5V 2
Output current (off) IO(off) 0.5 μA VCC = 50V, VI = 0V 2
DC current gain (DDTC114ECAQ column) Gl 35 VO = 5V, IO = 5mA 2
Input resistor tolerance R1 -30 30 % 2
Resistance ratio tolerance R2/R1 0.8 1 1.2 % 2
Supply voltage VCC 50 V Pin (3) to (2) 2
Input voltage VIN -10 40 V Pin (1) to (2), DDTC114ECA 2
Output current IO 50 mA DDTC114ECA 2
Output current IC (max) IC 100 mA 2
Power dissipation PD 200 mW Mounted on FR4 PC board with minimum recommended pad layout (Note 7) 2
Thermal resistance, junction to ambient air RθJA 625 °C/W Mounted on FR4 PC board with minimum recommended pad layout (Note 7) 2
Operating and storage temperature range TJ, TSTG -55 150 °C 2
Input resistor R1 (nominal) R1 10 kΩ 1

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: DDTC114ECAQ-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ddtc114ecaq-7-f-etched.step / ddtc114ecaq-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddtc114ecaq-7-f.step / ddtc114ecaq-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 b71e1c1af45adb44, 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