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Contents

README

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FDLL4148

onsemi · Switching Diodes · SOD-80

FDLL4148 from onsemi, in a SOD-80. 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 terminal, marked by the black color band (the wider first band) on the SOD-80 body; the diode has VRRM of 100 V and DC forward current of 300 mA.
2 A passive Anode terminal at the end opposite the cathode band; average rectified forward current is 200 mA.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOD-80
Category Diodes
Pins 2

CAD (KiCad official)

  • Symbol: FDLL4148
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: SOD-80 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: onsemi datasheet (7 pp, sha256 2aa417b8065dadc5, retrieved 2026-10-12, 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