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2SD1383KT146B

Public Made by Adom

by adom

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

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2SD1383KT146B

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

2SD1383KT146B 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 Emitter passive Emitter of the Darlington pair, connected to the base through the built-in 4kΩ resistor; BVEBO is 6V min.
2 Base passive Base of the Darlington transistor, with a built-in 4kΩ resistor between base and emitter; VEBO max is 6V.
3 Collector passive Collector of the Darlington pair; VCBO is 40V, VCES is 32V and IC is 0.3A (ICP 1.5A pulsed).

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package TO-236-3(SOT-23-3)
Category Triode/MOS Tube/Transistor
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
Collector-base breakdown voltage BVCBO 40 V IC = 100μA 2
Collector-emitter breakdown voltage BVCES 32 V IC = 1mA, RBE = 0Ω 2
Emitter-base breakdown voltage BVEBO 6 V IE = 100μA 2
Collector cut-off current ICBO 1 μA VCB = 24V 2
Emitter cut-off current IEBO 1 μA VEB = 4.5V 2
Collector-emitter saturation voltage VCE(sat) 1.5 V IC = 200mA, IB = 0.4mA, pulsed 2
Transition frequency fT 250 MHz VCE = 5V, IE = -10mA, f = 100MHz 2
Output capacitance Cob 3 pF VCB = 10V, IE = 0A, f = 1MHz 2
Collector-base voltage VCBO 40 V Ta = 25°C 2
Collector-emitter voltage VCES 32 V Ta = 25°C 2
Emitter-base voltage VEBO 6 V Ta = 25°C 2
Collector current IC 0.3 A Ta = 25°C 2
Collector current (peak) ICP 1.5 A Pw=10ms, duty=1/15 2
Power dissipation PD 200 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: 2SD1383KT146B
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
  • 3D model files: 2sd1383kt146b-etched.step / 2sd1383kt146b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd1383kt146b.step / 2sd1383kt146b.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (8 pp, sha256 74a9025cc000ad08, 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