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Contents

README

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2SD2143TL

ROHM Semicon · Darlington Transistors · TO-252-2(DPAK)

2SD2143TL from ROHM Semicon, in a TO-252-2(DPAK). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 B input NPN base; driven through built-in series resistor R1=3.5 kΩ and shunt resistor R2=300 Ω from base to emitter; BVCEO 60 V (50 V min, 70 V max).
2 C passive NPN collector (also exposed thermal tab); built-in zener diode to base and damper diode; VCEO 60±10 V, IC 2 A continuous (3 A pulse), PD 10 W at Tc=25°C, VCE(sat) 1.5 V max at IC=1 A.
3 E passive NPN emitter; VEBO 6 V max, IEBO 3 mA max at VEB=5 V.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package TO-252-2(DPAK)
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: 2SD2143TL
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252-2(DPAK) (KiCad packages3D, STEP)
  • 3D model files: 2sd2143tl-etched.step / 2sd2143tl-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd2143tl.step / 2sd2143tl.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (9 pp, sha256 c6d44488633ec55f, retrieved 2026-09-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-sonnet-4-6 (text+vision), consensus claude-opus-4-7 (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