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ADTC124ECAQ-13

Public Made by Adom

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

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ADTC124ECAQ-13

Diodes Incorporated · Digital Transistors · SOT-23

ADTC124ECAQ-13 from Diodes Incorporated, in a SOT-23. 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 22kΩ R1; input voltage VIN rated -10 to +40 V referenced to pin 2, with Vl(OFF) 0.5 V min and Vl(ON) 3 V max.
2 GND power_in Ground (emitter, 0 V reference) for the input and the supply/output voltages, with the 22kΩ R2 connected between input and ground.
3 OUT output Output (collector) of the NPN transistor; VCC rated 50 V referenced to pin 2, output current IO 30 mA and IC max 100 mA.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
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 Resistor Tolerance R1 -30 30 % 4
Resistance Ratio Tolerance R2/R1 -20 20 % 4
DC Current Gain Gl 56 VO = 5V, IO = 5mA 4
Input Voltage (OFF) Vl(OFF) 0.5 1.1 V VCC = 5V, IO = 100μA 4
Output Voltage (ON) VO(ON) 0.1 0.3 V IO/Il = 10mA/0.5mA 4
Input Current Il 0.36 mA VI = 5V 4
Output Current (OFF) IO(OFF) 0.5 μA VCC = 50V, VI = 0V 4
Input Voltage (ON) Vl(ON) 1.9 3 V VO = 0.3V, IO = 5mA 4
Supply Voltage VCC 50 V Pin: (3) to (2) 2
Input Voltage VIN -10 40 V Pin: (1) to (2) 2
Output Current IO 30 mA 2
Output Current (Max) IC 100 mA 2
Power Dissipation PD 310 mW Note 6: mounted on FR4 PC board with minimum recommended pad layout 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Thermal Resistance, Junction to Ambient Air RθJA 403 °C/W Note 6: mounted on FR4 PC board with minimum recommended pad layout 2
Gain-Bandwidth Product fT 250 MHz VCE = 10V, IE = 5mA, f = 100MHz 4
Built-in Input Resistor (NOM) R1, R2 22 kΩ NOM, as printed in device schematic block 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: ADTC124ECAQ-13
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: adtc124ecaq-13-etched.step / adtc124ecaq-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); adtc124ecaq-13.step / adtc124ecaq-13.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 142dcb7907a2fe93, retrieved 2026-10-21, tier: manufacturer)
  • 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