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DTA113ZKAT146

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ROHM Semicon Digital Transistors, TO-236-3(SOT-23-3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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DTA113ZKAT146

ROHM Semicon · Digital Transistors · TO-236-3(SOT-23-3)

DTA113ZKAT146 from ROHM Semicon, in a TO-236-3(SOT-23-3). 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 built-in PNP transistor, connected to R2 and the positive reference.
2 IN (BASE) input Base input through built-in R1 = 1.0kΩ (R2 = 10kΩ to GND); VI(off) max -0.3V and VI(on) min -3.0V, absolute maximum input voltage -10 to 5V.
3 OUT (COLLECTOR) output Collector output of the built-in PNP transistor, rated for IO -100mA and VCC -50V maximum.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package TO-236-3(SOT-23-3)
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 -10 5 V Ta = 25°C 2
Output current IO -100 mA Ta = 25°C 2
Collector current IC(MAX) -100 mA Ta = 25°C; characteristics of built-in transistor 2
Power dissipation (DTA113ZKA) PD 200 mW Ta = 25°C; each terminal mounted on a reference land 2
Junction temperature Tj 150 ℃ Ta = 25°C 2
Range of storage temperature Tstg -55 150 ℃ Ta = 25°C 2
Input voltage (off) VI(off) -0.3 V VCC = -5V, IO = -100μA 2
Input voltage (on) VI(on) -3 V VO = -0.3V, IO = -20mA 2
Output voltage VO(on) -100 -300 mV IO = -10mA, II = -0.5mA 2
Input current II -7.2 mA VI = -5V 2
Output current (off) IO(off) -500 nA VCC = -50V, VI = 0V 2
DC current gain GI 33 - VO = -5V, IO = -5mA 2
Input resistance R1 0.7 1 1.3 kΩ 2
Resistance ratio R2/R1 8 10 12 - 2
Transition frequency fT 250 MHz VCE = -10V, IE = 5mA, f = 100MHz; characteristics of built-in transistor 2

CAD (KiCad official)

  • Symbol: DTA113ZKAT146
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
  • 3D model files: dta113zkat146-etched.step / dta113zkat146-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dta113zkat146.step / dta113zkat146.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (9 pp, sha256 068b2b2ce1688d6d, retrieved 2026-10-22, 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