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2SD1834T100

Public Made by Adom

by adom

ROHM Semicon Darlington Transistors, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SD1834T100

ROHM Semicon · Darlington Transistors · SOT-89

2SD1834T100 from ROHM Semicon, in a SOT-89. 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 B input Base of the Darlington NPN transistor (input); emitter-base voltage VEBO max 7 V.
2 C passive Collector of the Darlington NPN transistor; VCBO and VCES 60 V max, IC 1 A max.
3 E passive Emitter of the Darlington NPN transistor, normally connected to the ground/return side of the load.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOT-89
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
Collector-base voltage VCBO 60 V 2
Collector-emitter voltage VCES 60 V 2
Emitter-base voltage VEBO 7 V 2
Collector current IC 1 A 2
Power dissipation PD 0.5 W *1 Each terminal mounted on a reference land 2
Power dissipation PD 2 W *2 Mounted on a ceramic board (40×40×0.7mm) 2
Junction temperature Tj 150 ℃ 2
Range of storage temperature Tstg -55 150 ℃ 2
Collector-base breakdown voltage BVCBO 60 V IC = 50μA 2
Collector-emitter breakdown voltage BVCES 60 V IC = 100μA, RBE = 0Ω 2
Emitter-base breakdown voltage BVEBO 7 V IE = 50μA 2
Collector cut-off current ICBO 1 μA VCB = 60V 2
Emitter cut-off current IEBO 1 μA VEB = 6V 2
Collector-emitter saturation voltage VCE(sat) 0.9 1.5 V IC = 500mA, IB = 0.5mA 2
DC current gain hFE 2 - VCE = 3V, IC = 500mA 2
Transition frequency fT 150 MHz VCE = 5V, IE = -10mA, f = 100MHz 2
Output capacitance Cob 7 pF VCB = 10V, IE = 0A, f = 1MHz 2

CAD (KiCad official)

  • Symbol: 2SD1834T100
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sd1834t100-etched.step / 2sd1834t100-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd1834t100.step / 2sd1834t100.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (8 pp, sha256 ece1e0d17fa11e63, 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