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DDC144EH-7

Public Made by Adom

by adom

Diodes Incorporated Digital Transistors, SOT-563. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DDC144EH-7

Diodes Incorporated · Digital Transistors · SOT-563

DDC144EH-7 from Diodes Incorporated, in a SOT-563. 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 E1 passive Emitter of transistor 1 (NPN, R1=47kΩ/R2=47kΩ pre-biased), the ground-side terminal; output current IO max 30 mA.
2 B1 input Base/input of transistor 1 through the built-in 47kΩ R1 with 47kΩ R2 to emitter; input voltage VIN -10 to +40 V.
3 C2 passive Collector/output of transistor 2; IO max 30 mA and VCC max 50 V.
4 E2 passive Emitter of transistor 2, the ground-side terminal; output current IO max 30 mA.
5 B2 input Base/input of transistor 2 through the built-in 47kΩ R1 with 47kΩ R2 to emitter; input voltage VIN -10 to +40 V.
6 C1 passive Collector/output of transistor 1; IO max 30 mA and VCC max 50 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-563
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
Supply Voltage VCC 50 V TA = +25°C 2
Input Voltage VIN -10 40 V DDC144EH, TA = +25°C 2
Output Current IO 30 mA DDC144EH, TA = +25°C 2
Power Dissipation Pd 150 mW TA = +25°C 2
Thermal Resistance, Junction to Ambient Air RθJA 833 °C/W Mounted on FR4 board with recommended pad layout 2
Operating and Storage Temperature Range Tj, TSTG -55 150 °C 2
Input Voltage (off) Vl(off) 0.5 1.1 V VCC = 5V, IO = 100µA 3
Input Voltage (on) Vl(on) 1.9 3 V VO = 0.3V, IO = 2mA 3
Output Voltage VO(on) 0.1 0.3 V IO/Il = 10mA / 0.5mA 3
Input Current Il 0.18 mA VI = 5V 3
Output Current (off) IO(off) 0.5 µA VCC = 50V, VI = 0V 3
DC Current Gain Gl 68 VO = 5V, IO = 5mA 3
Gain-Bandwidth Product (transistor, reference only) fT 250 MHz VCE = 10V, IE = 5mA, f = 100MHz 3
Input resistor R1 R1 47 kΩ 1
Resistor R2 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 Copper tin  Terminals: Finish - Matte Tin Annealed over Copper Leadframe. 1

CAD (KiCad official)

  • Symbol: DDC144EH-7
  • Footprint: Package_TO_SOT_SMD:SOT-563
  • 3D model: SOT-563 (KiCad packages3D, STEP)
  • 3D model files: ddc144eh-7-etched.step / ddc144eh-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddc144eh-7.step / ddc144eh-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (6 pp, sha256 8980997ea774e9dc, retrieved 2026-10-27, 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