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Contents

README

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2SC4373-Y

Slkor SLKORMICRO Elec · Bipolar (BJT) · SOT-89

2SC4373-Y from Slkor SLKORMICRO Elec, 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 Base input Base of the NPN transistor; VEBO max 5 V.
2 Collector passive Collector of the NPN transistor; VCBO and VCEO max 120 V, IC max 0.8 A.
3 Emitter passive Emitter of the NPN transistor.

Key specifications

Parameter Value
Manufacturer Slkor SLKORMICRO Elec
Package SOT-89
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: 2SC4373-Y
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sc4373-y-etched.step / 2sc4373-y-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc4373-y.step / 2sc4373-y.glb are the bare package body.

Provenance

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

  • Datasheet: Slkor SLKORMICRO Elec datasheet (5 pp, sha256 2d1c8b39ab284ccb, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (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