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Contents

README

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BY254

DIOTEC · Diodes - General Purpose · DO-201

BY254 from DIOTEC, in a DO-201. 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 K passive Cathode lead, on the end of the DO-201 body with the marking band; lead diameter 1.2 mm, reverse-blocking up to VRRM 800 V for BY254.
2 A passive Anode lead, on the end opposite the band; carries up to 3 A average forward current (TA = 50°C) with VF < 1.1 V at 3 A.

Key specifications

Parameter Value
Manufacturer DIOTEC
Package DO-201
Category Diodes
Pins 2

CAD (KiCad official)

  • Symbol: BY254
  • Footprint: Diode_THT:D_DO-201AD_P15.24mm_Horizontal
  • 3D model: DO-201 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: DIOTEC datasheet (3 pp, sha256 63148dd0c1a056f2, retrieved 2026-10-13, 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