component

WST2305

Public Made by Adom

by adom

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

componenttransistors-thyristorswst2305factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 17d ago
viewers wst2305: viewers · Ray 17d ago
package.json Publish 0.1.0 · Ray 17d ago
page.json Set visibility: public · Ray 17d ago
README.md Publish 0.1.0 · Ray 17d ago
wst2305-etched.glb Publish 0.1.0 · Ray 17d ago
wst2305-etched.step wst2305: factory component page (tier=lcsc) · Ray 17d ago
wst2305-hero.glb wst2305: hero GLB from the etched model (keeps the MPN mark) · Ray 17d ago
wst2305-hero.overlay.json Publish 0.1.0 · Ray 17d ago
wst2305.glb Publish 0.1.0 · Ray 17d ago
wst2305.kicad_mod Publish 0.1.0 · Ray 17d ago
wst2305.kicad_sym Publish 0.1.0 · Ray 17d ago
wst2305.lbr Publish 0.1.0 · Ray 17d ago
wst2305.step Publish 0.1.0 · Ray 17d ago

WST2305

Winsok Semicon · MOSFETs · SOT-23

WST2305 from Winsok Semicon, 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 P-channel MOSFET, with VGS rated ±12 V maximum and threshold VGS(th) of -0.5 V min to -1.2 V max at ID=-250uA.
2 S passive Source; continuous source current IS is -4.3 A maximum through the body diode, with VDS rated -20 V against drain.
3 D passive Drain; rated VDS -20 V, continuous drain current -4.4 A at TC=25℃ and pulsed -14 A.

Key specifications

Parameter Value
Manufacturer Winsok Semicon
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 Voltage VDS -20 V 1
Gate-Source Voltage VGS -12 12 V 1
Continuous Drain Current ID@TC=25℃ -4.4 A VGS @ -4.5V, Note 1 1
Continuous Drain Current ID@TC=70℃ -2.8 A VGS @ -4.5V, Note 1 1
Pulsed Drain Current IDM -14 A Note 2 1
Total Power Dissipation PD@TA=25℃ 1 W TA=25℃, Note 3 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Thermal Resistance Junction-Ambient RθJA 125 ℃/W Note 1: surface mounted on 1 inch² FR-4 board, 2OZ copper, t<10sec 1
Thermal Resistance Junction-Case RθJC 80 ℃/W Note 1: surface mounted on 1 inch² FR-4 board, 2OZ copper, t<10sec 1
Drain-Source Breakdown Voltage BVDSS -20 V VGS=0V, ID=-250uA 2
Static Drain-Source On-Resistance RDS(ON) 50 60 mΩ VGS=-4.5V, ID=-3A 2
Static Drain-Source On-Resistance RDS(ON) 73 90 mΩ VGS=-2.5V, ID=-2A 2
Gate Threshold Voltage VGS(th) -0.5 -0.8 -1.2 V VGS=VDS, ID=-250uA 2
Drain-Source Leakage Current IDSS -1 uA VDS=-16V, VGS=0V, TJ=25℃ 2
Drain-Source Leakage Current IDSS -5 uA VDS=-16V, VGS=0V, TJ=55℃ 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±12V, VDS=0V 2
Total Gate Charge (-4.5V) Qg 10.2 14.3 nC VDS=-15V, VGS=-4.5V, ID=-3A 2
Gate-Source Charge Qgs 1.89 2.6 nC VDS=-15V, VGS=-4.5V, ID=-3A 2
Gate-Drain Charge Qgd 3.1 4.3 nC VDS=-15V, VGS=-4.5V, ID=-3A 2
Turn-On Delay Time Td(on) 5.6 11.2 ns VDD=-10V, VGS=-4.5V, RG=3.3Ω, ID=-3A 2
Rise Time Tr 40.8 73 ns VDD=-10V, VGS=-4.5V, RG=3.3Ω, ID=-3A 2
Turn-Off Delay Time Td(off) 33.6 67 ns VDD=-10V, VGS=-4.5V, RG=3.3Ω, ID=-3A 2
Fall Time Tf 18 36 ns VDD=-10V, VGS=-4.5V, RG=3.3Ω, ID=-3A 2
Input Capacitance Ciss 857 1200 pF VDS=-15V, VGS=0V, f=1MHz 2
Output Capacitance Coss 114 160 pF VDS=-15V, VGS=0V, f=1MHz 2
Reverse Transfer Capacitance Crss 108 151 pF VDS=-15V, VGS=0V, f=1MHz 2
Continuous Source Current IS -4.3 A VG=VD=0V, Force Current, Notes 1,4 2
Pulsed Source Current ISM -14 A Notes 2,4 2
Diode Forward Voltage VSD -1 V VGS=0V, IS=-1A, TJ=25℃ 2

CAD (KiCad official)

  • Symbol: WST2305
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: wst2305-etched.step / wst2305-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wst2305.step / wst2305.glb are the bare package body.

Provenance

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

  • Datasheet: Winsok Semicon datasheet (5 pp, sha256 fe57e30e8b3e8043, retrieved 2026-10-18, 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