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HFDLL4148

HXY MOSFET · Switching Diodes · LL-34

HFDLL4148 from HXY MOSFET, in a LL-34. 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 end marked with the band on the LL-34 (SOD-80) body; reverse voltage VR 75 V, peak reverse voltage VRM 100 V.
2 A passive Anode, the end opposite the cathode band; average rectified forward current IF(AV) 200 mA, forward voltage VF max 1 V at IF = 10 mA.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package LL-34
Category Diodes
Pins 2

CAD (KiCad official)

  • Symbol: HFDLL4148
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: LL-34 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: HXY MOSFET datasheet (5 pp, sha256 d013953ee7f3fd8f, 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