component

DDTC124TUA-7-F

Public Made by Adom

by adom

Diodes Incorporated Digital Transistors, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DDTC124TUA-7-F

Diodes Incorporated · Digital Transistors · SOT-323

DDTC124TUA-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 Base input through the built-in 22kΩ (nominal, ±30%) series resistor R1 to the NPN base, with VEBO rated 5 V.
2 GND power_in Emitter connected to ground (0 V reference) in the device schematic.
3 OUT output Collector output of the NPN transistor, rated VCEO 50 V and IC max 100 mA.

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 Resistor R1 nominal R1 22 kΩ DDTC124TUA R1(NOM) 1
Input Resistor (R1) Tolerance ∆R1 -30 30 % 2
Collector-Base Breakdown Voltage BVCBO 50 V IC = 50μA 2
Collector-Emitter Breakdown Voltage BVCEO 50 V IC = 1mA 2
Emitter-Base Breakdown Voltage BVEBO 5 V IE = 50μA 2
Collector Cutoff Current ICBO 0.5 µA VCB = 50V 2
Emitter Cutoff Current IEBO 0.5 µA VEB = 4V 2
Collector-Emitter Saturation Voltage VCE(sat) 0.3 V 2
DC Current Transfer Ratio hFE 100 250 600 IC = 1mA, VCE = 5V 2
Gain-Bandwidth Product fT 250 MHz VCE = 10V, IE = -5mA, f = 100MHz (transistor only) 2
Collector-Base Voltage VCBO 50 V TA = +25°C 2
Collector-Emitter Voltage VCEO 50 V TA = +25°C 2
Emitter-Base Voltage VEBO 5 V TA = +25°C 2
Collector Current IC (Max) 100 mA TA = +25°C 2
Power Dissipation PD 200 mW FR4 PC board, minimum recommended pad layout, TA = +25°C 2
Thermal Resistance, Junction to Ambient Air RθJA 625 °C/W FR4 PC board, minimum recommended pad layout, TA = +25°C 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2

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: DDTC124TUA-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: ddtc124tua-7-f-etched.step / ddtc124tua-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddtc124tua-7-f.step / ddtc124tua-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 520b9999de45808f, retrieved 2026-10-26, 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