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WST2305
Public Made by Adomby adom
Winsok Semicon MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownWST2305
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wst2305.step/wst2305.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).