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Contents

README

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HDF2B18FU

HXY MOSFET · Electrostatic And Surge Protection (TVS/ESD) · SOD-323

HDF2B18FU from HXY MOSFET, in a SOD-323. 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 1 passive Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation.
2 2 passive Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package SOD-323
Category Circuit Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Peak Pulse Power (tp = 8/20 µs) PPP 160 tp = 8/20 µs 1
Maximum lead temperature for soldering TL 260 °C during 10 s 1
Storage Temperature Range Tstg -55 155 °C 1
Operating Temperature Range Top -40 125 °C 1
Maximum junction temperature Tj 150 °C 1
IEC61000-4-2 ESD, air discharge -30 30 kV air discharge 1
IEC61000-4-2 ESD, contact discharge -30 30 kV contact discharge 1
IEC61000-4-4 EFT 40 A 1
ESD Voltage Per Human Body Model 16 kV Human Body Model 1
Reverse stand-off voltage VRWM 12 V 2
Reverse leakage current IR 0.1 uA @ VRWM 2
Breakdown voltage VBR 13.5 V @ IT 1.0 mA 2
Clamping voltage VC 18 V @ Max IPP 2
Peak pulse current IPP 9 A 2
Peak pulse power PPK 160 W 2
Capacitance C 8 pF 2

CAD (KiCad official)

  • Symbol: HDF2B18FU
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: hdf2b18fu-etched.step / hdf2b18fu-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hdf2b18fu.step / hdf2b18fu.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (4 pp, sha256 d3bee7286ae96e4e, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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