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DTA123JUAT106

Public Made by Adom

by adom

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

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DTA123JUAT106

ROHM Semicon · Digital Transistors · SOT-323

DTA123JUAT106 from ROHM Semicon, 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 GND (EMITTER) power_in Ground (+) / emitter terminal of the PNP digital transistor, connected through R2 (47kΩ typ. 2.2kΩ R1 ratio 21 typ.) to the base side.
2 IN (BASE) input Input (base) terminal with built-in series resistor R1 of 2.2kΩ typ., rated for input voltage -12 to 5 V with VI(off) max -0.5 V and VI(on) min -1.1 V.
3 OUT (COLLECTOR) output Output (collector) terminal rated for output current -100 mA and supply voltage -50 V, with VO(on) max -300 mV at IO/II = -5mA/-0.25mA.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOT-323
Category Transistors
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
Supply voltage VCC -50 V Ta = 25°C 2
Input voltage VIN -12 5 V Ta = 25°C 2
Output current IO -100 mA Ta = 25°C 2
Collector current IC(MAX) -100 mA Ta = 25°C 2
Power dissipation DTA123JUA PD 200 mW Each terminal mounted on a reference land 2
Junction temperature Tj 150 ℃ 2
Range of storage temperature Tstg -55 150 ℃ 2
Input voltage (off) VI(off) -0.5 V VCC = -5V, IO = -100μA 2
Input voltage (on) VI(on) -1.1 V VO = -0.3V, IO = -5mA 2
Output voltage VO(on) -100 -300 mV IO / II = -5mA / -0.25mA 2
Input current II -3.6 mA VI = -5V 2
Output current (off) IO(off) -500 nA VCC = -50V, VI = 0V 2
DC current gain GI 80 - VO = -5V, IO = -10mA 2
Input resistance R1 1.54 2.2 2.86 kΩ 2
Resistance ratio R2/R1 17 21 26 - 2
Transition frequency fT 250 MHz VCE = -10V, IE = 5mA, f = 100MHz 2

CAD (KiCad official)

  • Symbol: DTA123JUAT106
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: dta123juat106-etched.step / dta123juat106-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dta123juat106.step / dta123juat106.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (11 pp, sha256 d2df720afd6a5929, retrieved 2026-10-31, 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