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AO3481-HXY

Public Made by Adom

by adom

HXY MOSFET MOSFETs, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AO3481-HXY

HXY MOSFET · MOSFETs · SOT-23-3L

AO3481-HXY from HXY MOSFET, in a SOT-23-3L. 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 G input Gate; P-channel gate with VGS limited to ±12V absolute maximum, threshold VGS(th) -0.7V to -1.3V at ID=-250μA.
2 S passive Source; P-channel source terminal, continuous drain current -4.2A, with body diode forward voltage up to -1.2V at IS=-4.2A.
3 D passive Drain; P-channel drain with VDS rated -30V, continuous current -4.2A and pulsed current -30A.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package SOT-23-3L
Category Transistors/Thyristors
Pins 3

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Drain-Source Voltage VDS -30 V TA=25℃ unless otherwise noted 1
Gate-Source Voltage VGS -12 12 V TA=25℃ unless otherwise noted 1
Drain Current-Continuous ID -4.2 A TA=25℃ unless otherwise noted 1
Drain Current-Pulsed IDM -30 A Note 1 1
Maximum Power Dissipation PD 1.2 W TA=25℃ unless otherwise noted 1
Operating Junction and Storage Temperature Range TJ,TSTG -55 150 ℃ 1
Thermal Resistance, Junction-to-Ambient RθJA 104 ℃/W Note 2: surface mounted on FR4 board, t ≤ 10 sec 1
Zero Gate Voltage Drain Current IDSS -1 μA VDS=-24V,VGS=0V 2
Gate-Body Leakage Current IGSS -100 100 nA VGS=±10V,VDS=0V 2
Gate Threshold Voltage VGS(th) -0.7 -1 -1.3 V VDS=VGS,ID=-250μA 2
Drain-Source On-State Resistance RDS(ON) 46 54 mΩ VGS=-10V, ID=-4.2A 2
Drain-Source On-State Resistance RDS(ON) 58 77 mΩ VGS=-4.5V, ID=-4A 2
Drain-Source On-State Resistance RDS(ON) 74 130 mΩ VGS=-2.5V, ID=-1A 2
Diode Forward Voltage VSD -1.2 V VGS=0V,IS=-4.2A 2

CAD (KiCad official)

  • Symbol: AO3481-HXY
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: ao3481-hxy-etched.step / ao3481-hxy-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ao3481-hxy.step / ao3481-hxy.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (7 pp, sha256 f415b7a0e7d69cc2, retrieved 2026-10-17, 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