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Contents

README

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SRA4E

YFW · Diodes - Fast Recovery Rectifiers · DO-27

SRA4E from YFW, in a DO-27. 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, the lead at the banded (Cathode Mark) end of the DO-201AD/DO-27 body; rated 400 V VRRM/VDC, 10.0 A average forward current.
2 A passive Anode, the lead at the end opposite the cathode band; forward voltage 1.10 V max at 10 A.

Key specifications

Parameter Value
Manufacturer YFW
Package DO-27
Category Diodes
Pins 2

CAD (KiCad official)

  • Symbol: SRA4E
  • Footprint: Diode_THT:D_DO-27_P15.24mm_Horizontal
  • 3D model: DO-27 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: YFW datasheet (3 pp, sha256 50372411cf4c6319, retrieved 2026-10-22, 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