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Contents

README

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H2SK3078A

HXY MOSFET · MOSFETs · SOT-89

H2SK3078A from HXY MOSFET, in a SOT-89. 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 VGS max 5 V, threshold VGS(th) 0.6 to 1.2 V at VDS=5V, ID=0.5mA, and typical RF operating bias 1.3 V.
2 S passive Source; common terminal of the RF power MOSFET, with VDSS max 12 V to drain and ID max 0.5 A.
3 D passive Drain; VDSS max 12 V, ID max 0.5 A, operating VDS 5 V typ (8.4 V max) at f=450MHz.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package SOT-89
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 VDSS 12 V Ta=25℃ 1
Drain current ID 0.5 A Ta=25℃ 1
Gate-source voltage VGS 5 V Ta=25℃ 1
Power dissipation Ptot 3 W Ta=25℃ 1
Junction temperature Tj 150 ℃ Ta=25℃ 1
Storage temperature Tstg -55 150 ℃ Ta=25℃ 1
Turn-on (gate threshold) voltage VGS(th) 0.6 0.8 1.2 V VDS= 5V, ID=0.5mA 1
Drain-source leakage current IDSS 10 μA VDS= 10V ,VGS=0V 1
Gate-source leakage current IGSS 5 μA VGS=5V 1
Operating voltage VDS 5 8.4 V f=450MHz, IDS=100mA, Pi=15dBmW 1
Gate operating voltage VGS(TYP) 0.8 1.3 1.5 V VDS= 5V, f=500MHz IDS=100mA, Pi=15dBmW 1
Output power PO 27.5 28.5 dBmW VDS=5V,f=450MHz, IDS=100mA, VGS(TYP)=1.30V, Pi=15dBmW 1
Drain efficiency ηD 45 55 % 1
Output power PO 0.56 0.71 W 1
Power gain GP 12.5 13.5 dB 1

CAD (KiCad official)

  • Symbol: H2SK3078A
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: h2sk3078a-etched.step / h2sk3078a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); h2sk3078a.step / h2sk3078a.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (6 pp, sha256 0c2c2e15db444e87, retrieved 2026-11-05, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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