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DDC144EU-7-F

Public Made by Adom

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Diodes Incorporated Digital Transistors, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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DDC144EU-7-F

Diodes Incorporated · Digital Transistors · SOT-363

DDC144EU-7-F from Diodes Incorporated, in a SOT-363. 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 COM1 power_in Common (emitter, E1) of transistor 1, the ground-side return for the DDC144EU first element.
2 IN1 input Input (base, B1) of transistor 1 through the 47kΩ nominal R1 base resistor, rated -10 to +40 V input voltage.
3 OUT2 output Output (collector, C2) of transistor 2, rated 50 V supply voltage and 30 mA output current.
4 COM2 power_in Common (emitter, E2) of transistor 2, the ground-side return for the second element.
5 IN2 input Input (base, B2) of transistor 2 through the 47kΩ nominal R1 base resistor, rated -10 to +40 V input voltage.
6 OUT1 output Output (collector, C1) of transistor 1, rated 50 V supply voltage and 30 mA output current.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-363
Category Transistors/Thyristors
Pins 6

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) VI(off) 0.5 V VCC = 5V, IO = 100μA 3
Input Voltage (on) VI(on) 1.9 3 V VO = 0.3V, IO = 2mA 3
Output Voltage (on) VO(on) 0.1 0.3 V IO/II = 10mA / 0.5mA 3
Input Current II 0.18 mA VI = 5V 3
Output Current (off) IO(off) 0.5 μA VCC = 50V, VI = 0V 3
DC Current Gain GI 68 VO = 5V, IO = 5mA 3
Input Resistor (R1) Tolerance R1 -30 30 % 3
Resistance Ratio Tolerance R2/R1 -20 20 % 3
Supply Voltage VO 50 V 2
Input Voltage VI -10 40 V 2
Output Current IO 30 mA 2
Peak Output Current ICM 100 mA 2
Power Dissipation PD 200 mW Notes 6 & 7 2
Thermal Resistance, Junction to Ambient Air RθJA 625 °C/W Note 6 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Input Resistor R1 (NOM) R1 47 kΩ 1
Input Resistor R2 (NOM) R2 47 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: DDC144EU-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: ddc144eu-7-f-etched.step / ddc144eu-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddc144eu-7-f.step / ddc144eu-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (8 pp, sha256 734b84dde0b96a22, 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