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Contents

README

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AO3404

Guangdong Hottech · MOSFETs · SOT-23

AO3404 from Guangdong Hottech, in a SOT-23. 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; gate-source voltage limited to ±20 V, with threshold VGS(th) of 1.2 V min, 1.8 V typ and 2.4 V max.
2 S passive Source; continuous drain current is 5 A at TA=25°C and the body diode forward current IS is 1.5 A max.
3 D passive Drain; drain-source voltage is 30 V max, continuous current is 5 A and pulsed current IDM is 20 A.

Key specifications

Parameter Value
Manufacturer Guangdong Hottech
Package SOT-23
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 breakdown voltage V(BR)DSS 30 V VGS=0V, ID=250μA 1
Zero gate voltage drain current IDSS 1 uA VDS=30V, VGS=0V 1
Gate-body leakage current IGSS -100 100 nA VDS=0V, VGS=±20V 1
Gate-threshold voltage VGS(th) 1.2 1.8 2.4 V VDS=VGS, ID=250μA 1
Drain-source on-resistance RDS(ON) 25.5 31 mΩ VGS=10V, ID=5A 1
Drain-source on-resistance RDS(ON) 41 50 mΩ VGS=10V, ID=5A, TJ=125°C 1
Drain-source on-resistance RDS(ON) 34 43 mΩ VGS=4.5V, ID=4A 1
Gate resistance Rg 1.6 3.25 4.9 Ω VGS=0V, VDS=0V, f=1MHz 1
Input capacitance Ciss 255 310 pF 1
Reverse transfer capacitance Crss 35 50 pF 1
Total gate charge Qg 5.2 6.3 nC 1
Diode forward voltage VSD 0.76 1 V IS=1A, VGS=0V 1
Drain-source voltage VDS 30 V 1
Gate-source voltage VGS -20 20 V 1
Continuous drain current ID 5 A TA=25°C 1
Continuous drain current ID 4 A TA=70°C 1
Pulsed drain current IDM 20 A 1
Power dissipation PD 1.4 W TA=25°C 1
Power dissipation PD 0.9 W TA=70°C 1
Junction temperature TJ 150 °C 1
Storage temperature TSTG -55 150 °C 1
On-State Drain Current ID(ON) 20 A VDS=5V, VGS=10V 1
Forward transconductance gFS 15 S VDS=5V, ID=5A 1
Output capacitance Coss 45 pF VDS=15V, VGS=0V, f=1MHz 1
Turn-on delay time td(on) 4.5 nS VDS=15V, VGS=10V, RGEN=3Ω, RL=3Ω 1
Turn-on rise time tr 2.5 nS VDS=15V, VGS=10V, RGEN=3Ω, RL=3Ω 1
Turn-off delay time td(off) 14.5 nS VDS=15V, VGS=10V, RGEN=3Ω, RL=3Ω 1
Turn-off fall time tf 3.5 nS VDS=15V, VGS=10V, RGEN=3Ω, RL=3Ω 1
Gate-source charge Qgs 0.85 nC VDS=15V, VGS=10V, ID=5A 1
Gate-drain charge Qgd 1.3 nC VDS=15V, VGS=10V, ID=5A 1
Diode forward current IS 1.5 A 1
Body Diode Reverse Recovery Time trr 8.5 nS IF=5A, dI/dt=100A/us 1
Body Diode Reverse Recovery Charge Qrr 2.2 nC IF=5A, dI/dt=100A/us 1
Thermal resistance from Junction to ambient RθJA 125 °C/W 1

CAD (KiCad official)

  • Symbol: AO3404
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ao3404-etched.step / ao3404-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ao3404.step / ao3404.glb are the bare package body.

Provenance

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

  • Datasheet: Guangdong Hottech datasheet (6 pp, sha256 2726397eff80926f, retrieved 2026-10-09, 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