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DDTA114EUA-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.

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DDTA114EUA-7-F

Diodes Incorporated · Digital Transistors · SOT-323

DDTA114EUA-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) pin of the pre-biased transistor; the DDTA114EUA input voltage is limited to +10 V to -40 V with respect to pin 2.
2 GND power_in Common ground and reference pin for the input voltage (pin 1 to pin 2) and supply voltage (pin 3 to pin 2) ratings.
3 OUT output Output (collector) pin; the DDTA114EUA output current is limited to -50 mA and the supply voltage VCC (pin 3 to pin 2) to -50 V.

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 Current (variant DDTA114EUA, VI = -5V) Il -0.88 mA VI = -5V 2
Output Current (cut-off) IO(off) 0.5 μA VCC = -50V, VI = 0V 2
DC Current Gain (DDTA114EUA) Gl -30 VO = -5V, IO = -5mA 2
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 = 10mA, DDTA114EUA 2
Output Voltage (on) VO(on) -0.1 -0.3 V IO/Il = 10mA/0.5mA, DDTA114EUA 2
Input Resistor (R1) Tolerance ΔR1 -30 30 % 2
Resistance Ratio R2/R1 0.8 1 1.2 2
Input Resistors R1, R2 (NOM) R1, R2 10 kΩ Nominal value, DDTA114EUA 1
Supply Voltage VCC -50 V Supply voltage, (3) to (2) 1
Input Voltage (DDTA114EUA) VIN -40 10 V Input voltage, (1) to (2) 1
Output Current (DDTA114EUA) IO -50 mA 1
Output Current (all IC, max) -100 mA 1
Power Dissipation Pd 200 mW 1
Thermal Resistance, Junction to Ambient Air RθJA 625 °C/W Mounted on FR4 PC Board with recommended pad layout (Note 1) 1
Operating and Storage Temperature Range Tj, TSTG -55 150 °C 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: Solderable per MIL-STD-202, Method 208 • Lead Free Plating (Matte Tin Finish annealed over 1

CAD (KiCad official)

  • Symbol: DDTA114EUA-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: ddta114eua-7-f-etched.step / ddta114eua-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddta114eua-7-f.step / ddta114eua-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (4 pp, sha256 1c7292b86722e388, retrieved 2026-10-19, 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