component
WSF3040
Public Made by Adomby adom
Winsok Semicon MOSFETs, TO-252-2(DPAK). 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
markdownWSF3040
Winsok Semicon · MOSFETs · TO-252-2(DPAK)
WSF3040 from Winsok Semicon, in a TO-252-2(DPAK). 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 N-channel MOSFET, with VGS rated at ±20 V absolute maximum and a gate threshold voltage of 1.2 to 2.5 V. |
| 2 | D | passive | Drain of the N-channel MOSFET (also the exposed tab), with VDS rated at 30 V and continuous drain current of 43 A at TC=25℃. |
| 3 | S | passive | Source of the N-channel MOSFET, with continuous source current IS of 15 A and a body diode forward voltage VSD of 1 V max at IS=1A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | TO-252-2(DPAK) |
| 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 | 30 | V | 1 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current @TC=25℃ | ID@TC=25℃ | 43 | A | VGS @ 10V | 1 | ||
| Continuous Drain Current @TC=100℃ | ID@TC=100℃ | 30 | A | VGS @ 10V | 1 | ||
| Continuous Drain Current @TA=25℃ | ID@TA=25℃ | 11 | A | VGS @ 10V | 1 | ||
| Continuous Drain Current @TA=70℃ | ID@TA=70℃ | 9 | A | VGS @ 10V | 1 | ||
| Pulsed Drain Current | IDM | 112 | A | 1 | |||
| Single Pulse Avalanche Energy | EAS | 53 | mJ | VDD=25V, VGS=10V, L=0.1mH, IAS=15A (Note 3) | 1 | ||
| Avalanche Current | IAS | 22 | A | 1 | |||
| Total Power Dissipation @TC=25℃ | PD@TC=25℃ | 37.5 | W | 1 | |||
| Total Power Dissipation @TA=25℃ | PD@TA=25℃ | 2 | W | 1 | |||
| Storage Temperature Range | TSTG | -55 | 175 | ℃ | 1 | ||
| Operating Junction Temperature Range | TJ | -55 | 175 | ℃ | 1 | ||
| Thermal Resistance Junction-Ambient | RθJA | 62 | ℃/W | Note 1: surface mounted on 1 inch² FR-4 board, 2OZ copper, t<10sec | 1 | ||
| Thermal Resistance Junction-Case | RθJC | 4 | ℃/W | Note 1: surface mounted on 1 inch² FR-4 board, 2OZ copper, t<10sec | 1 | ||
| Drain-Source Breakdown Voltage | BVDSS | 30 | V | VGS=0V , ID=250uA | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 10 | 12 | mΩ | VGS=10V , ID=30A | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 15 | 18 | mΩ | VGS=4.5V , ID=15A | 2 | |
| Gate Threshold Voltage | VGS(th) | 1.2 | 1.5 | 2.5 | V | VGS=VDS , ID =250uA | 2 |
| Drain-Source Leakage Current (TJ=25℃) | IDSS | 1 | uA | VDS=24V , VGS=0V , TJ=25℃ | 2 | ||
| Drain-Source Leakage Current (TJ=55℃) | IDSS | 5 | uA | VDS=24V , VGS=0V , TJ=55℃ | 2 | ||
| Gate-Source Leakage Current | IGSS | -100 | 100 | nA | VGS=±20V , VDS=0V | 2 | |
| Gate Resistance | Rg | 1.8 | 3.6 | Ω | VDS=0V , VGS=0V , f=1MHz | 2 | |
| Total Gate Charge (4.5V) | Qg | 9.8 | 13.7 | nC | VDS=15V , VGS=4.5V , ID=15A | 2 | |
| Gate-Source Charge | Qgs | 4.2 | 5.88 | nC | 2 | ||
| Gate-Drain Charge | Qgd | 3.6 | 5 | nC | 2 | ||
| Turn-On Delay Time | Td(on) | 5 | 8 | ns | VDD=15V , VGS=10V , RG=3.3Ω, ID=15A | 2 | |
| Rise Time | Tr | 8 | 14 | ns | 2 | ||
| Turn-Off Delay Time | Td(off) | 31 | 62 | ns | 2 | ||
| Fall Time | Tf | 4 | 8 | ns | 2 | ||
| Input Capacitance | Ciss | 940 | 1316 | pF | VDS=15V , VGS=0V , f=1MHz | 2 | |
| Output Capacitance | Coss | 131 | 183 | pF | 2 | ||
| Reverse Transfer Capacitance | Crss | 109 | 153 | pF | 2 | ||
| Single Pulse Avalanche Energy (guaranteed) | EAS | 24.6 | mJ | VDD=25V , L=0.1mH , IAS=15A | 2 | ||
| Continuous Source Current | IS | 15 | A | VG=VD=0V , Force Current | 2 | ||
| Pulsed Source Current | ISM | 112 | A | 2 | |||
| Diode Forward Voltage | VSD | 1 | V | VGS=0V , IS=1A , TJ=25℃ | 2 |
CAD (KiCad official)
- Symbol:
WSF3040 - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252-2(DPAK) (KiCad packages3D, STEP)
- 3D model files:
wsf3040-etched.step/wsf3040-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wsf3040.step/wsf3040.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Winsok Semicon datasheet (5 pp, sha256
fcdd4d45ad307c1b, 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).