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DTC124EETL

Public Made by Adom

by adom

ROHM Semicon Digital Transistors, SOT-416. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DTC124EETL

ROHM Semicon · Digital Transistors · SOT-416

DTC124EETL from ROHM Semicon, in a SOT-416. 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 GND (EMITTER) power_in Ground / emitter of the built-in NPN transistor; R2 (22kΩ) is connected between this pin and the base.
2 IN (BASE) input Input / base of the NPN digital transistor through built-in R1 = 22kΩ; VI(off) max 0.5V, VI(on) min 3.0V, input voltage range -10 to 40V.
3 OUT (COLLECTOR) output Output / collector of the NPN transistor; supply voltage VCC max 50V, output current IO max 30mA (IC(MAX) 100mA).

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOT-416
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 voltage VI(on) 3 V VO = 0.2V, IO = 5mA 2
Input voltage VI(off) 0.5 V VCC = 5V, IO = 100μA 2
Output voltage VO(on) 100 300 mV IO = 10mA, II = 0.5mA 2
Input current II 360 μA VI = 5V 2
Output current IO(off) 500 nA VCC = 50V, VI = 0V 2
DC current gain GI 56 - VO = 5V, IO = 5mA 2
Input resistance R1 15.4 22 28.6 kΩ 2
Resistance ratio R2/R1 0.8 1 1.2 - 2
Supply voltage VCC 50 V 2
Input voltage VIN -10 40 V 2
Output current IO 30 mA 2
Collector current IC(MAX) 100 mA 2
Power dissipation (DTC124EE, EMT3) PD 150 mW Each terminal mounted on a reference land 2
Junction temperature Tj 150 ℃ 2
Range of storage temperature Tstg -55 150 ℃ 2

CAD (KiCad official)

  • Symbol: DTC124EETL
  • Footprint: Package_TO_SOT_SMD:SOT-416
  • 3D model: SOT-416, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: dtc124eetl-etched.step / dtc124eetl-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dtc124eetl.step / dtc124eetl.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (12 pp, sha256 5b0c0dcc4d41eda8, retrieved 2026-10-18, tier: lcsc)
  • 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