component
WST3415B
Public Made by Adomby adom
Winsok Semicon MOSFETs, SOT-23L. 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
markdownWST3415B
Winsok Semicon · MOSFETs · SOT-23L
WST3415B from Winsok Semicon, in a SOT-23L. 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 of the P-channel MOSFET; VGS rated ±12 V maximum, with a gate threshold VGS(th) of -0.3 to -1.0 V at ID=-250uA. |
| 2 | D | passive | Drain of the P-channel MOSFET; VDS rated -20 V maximum, continuous drain current -5.1 A at TC=25℃ and pulsed -17 A. |
| 3 | S | passive | Source of the P-channel MOSFET; continuous body-diode source current is -1 A and pulsed source current is -17 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | SOT-23L |
| 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℃ | -5.1 | A | VGS @ -4.5V | 1 | ||
| Continuous Drain Current | ID@TC=70℃ | -3 | A | VGS @ -4.5V | 1 | ||
| Pulsed Drain Current | IDM | -17 | A | 1 | |||
| Total Power Dissipation | PD@TA=25℃ | 1 | W | TA=25℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Operating Junction Temperature Range | TJ | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance Junction-Ambient | RθJA | 110 | ℃/W | 1 | |||
| Thermal Resistance Junction-Case | RθJC | 70 | ℃/W | 1 | |||
| Drain-Source Breakdown Voltage | BVDSS | -20 | V | VGS=0V , ID=-250uA | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 28 | 32 | mΩ | VGS=-4.5V , ID=-3A | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 35 | 41 | mΩ | VGS=-2.5V , ID=-2A | 2 | |
| Gate Threshold Voltage | VGS(th) | -0.3 | -0.75 | -1 | 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 | -10 | 10 | uA | VGS=±8V , VDS=0V | 2 | |
| Total Gate Charge (-4.5V) | Qg | 6.2 | 9 | nC | VDS=-15V , VGS=-4.5V , ID=-3A | 2 | |
| Gate-Source Charge | Qgs | 2.2 | 2.5 | nC | 2 | ||
| Gate-Drain Charge | Qgd | 1.8 | 2.6 | nC | 2 | ||
| Turn-On Delay Time | Td(on) | 2.7 | 5.5 | ns | VDD=-10V , VGS=-4.5V , RG=3.3Ω, ID=-3A | 2 | |
| Rise Time | Tr | 8.4 | 15 | ns | 2 | ||
| Turn-Off Delay Time | Td(off) | 6 | 12 | ns | 2 | ||
| Fall Time | Tf | 38 | 78 | ns | 2 | ||
| Input Capacitance | Ciss | 575 | 810 | pF | VDS=-15V , VGS=0V , f=1MHz | 2 | |
| Output Capacitance | Coss | 98 | 135 | pF | 2 | ||
| Reverse Transfer Capacitance | Crss | 75 | 110 | pF | 2 | ||
| Continuous Source Current | IS | -1 | A | VG=VD=0V , Force Current | 2 | ||
| Pulsed Source Current | ISM | -17 | A | 2 | |||
| Diode Forward Voltage | VSD | -1 | V | VGS=0V , IS=-1A , TJ=25℃ | 2 |
CAD (KiCad official)
- Symbol:
WST3415B - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23L (KiCad packages3D, STEP)
- 3D model files:
wst3415b-etched.step/wst3415b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wst3415b.step/wst3415b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Winsok Semicon datasheet (6 pp, sha256
0b15a41912ee1385, retrieved 2026-11-03, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).