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HSS3402A

HUASHUO · MOSFETs · SOT-23

HSS3402A from HUASHUO, 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; controls the channel, with VGS rated ±12 V maximum and threshold VGS(th) of 0.5 V min, 1 V typ and 1.6 V max.
2 S passive Source; the body diode is rated for continuous source current IS of 4 A and pulsed 16 A.
3 D passive Drain; VDS is rated 30 V maximum and continuous drain current is 4 A at TA=25℃ (pulsed 16 A).

Key specifications

Parameter Value
Manufacturer HUASHUO
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 BVDSS 30 V VGS=0V, ID=250uA 2
Static Drain-Source On-Resistance RDS(ON) 34 45 mΩ VGS=10V, ID=4A 2
Static Drain-Source On-Resistance RDS(ON) 39 50 mΩ VGS=4.5V, ID=3.5A 2
Static Drain-Source On-Resistance RDS(ON) 50 65 mΩ VGS=2.5V, ID=3A 2
Gate Threshold Voltage VGS(th) 0.5 1 1.6 V VGS=VDS, ID=250uA 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±12V, VDS=0V 2
Drain-Source Leakage Current IDSS 1 uA VDS=24V, VGS=0V, TJ=25℃ 2
Drain-Source Leakage Current IDSS 5 uA VDS=24V, VGS=0V, TJ=55℃ 2
Continuous Source Current IS 4 A VG=VD=0V, Force Current 2
Pulsed Source Current ISM 16 A 2
Diode Forward Voltage VSD 1.2 V VGS=0V, IS=1A, TJ=25℃ 2
Drain-Source Voltage VDS 30 V 1
Gate-Source Voltage VGS -12 12 V 1
Continuous Drain Current ID@TA=25℃ 4 A VGS @ 4.5V 1
Continuous Drain Current ID@TA=70℃ 3.5 A VGS @ 4.5V 1
Pulsed Drain Current IDM 16 A 1
Total Power Dissipation PD@TA=25℃ 0.8 W 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Thermal Resistance Junction-ambient RθJA 145 ℃/W 1
Thermal Resistance Junction-Case RθJC 78 ℃/W 1

CAD (KiCad official)

  • Symbol: HSS3402A
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: hss3402a-etched.step / hss3402a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hss3402a.step / hss3402a.glb are the bare package body.

Provenance

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

  • Datasheet: HUASHUO datasheet (6 pp, sha256 76988f45877f0748, 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