component
WSR140N12
Public Made by Adomby adom
Winsok Semicon MOSFETs, TO-220-3L. 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
markdownWSR140N12
Winsok Semicon · MOSFETs · TO-220-3L
WSR140N12 from Winsok Semicon, in a TO-220-3L. 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 limited to ±20 V, with a threshold of 2.0 V min to 4.0 V max at ID=250uA. |
| 2 | D | passive | Drain, also connected to the mounting tab; drain-source voltage rated 120 V and continuous drain current 140 A at TC=25℃. |
| 3 | S | passive | Source; continuous body-diode source current is 150 A max and pulsed source current is 330 A max. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | TO-220-3L |
| Category | Triode/MOS Tube/Transistor |
| 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 Breakdown Voltage | BVDSS | 120 | V | VGS=0V, ID=250uA | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 5 | 6.5 | mΩ | VGS=10V, ID=30A | 2 | |
| Gate Threshold Voltage | VGS(th) | 2 | 4 | V | VGS=VDS, ID=250uA | 2 | |
| Drain-Source Leakage Current | IDSS | 1 | uA | VDS=120V, VGS=0V, TJ=25℃ | 2 | ||
| Gate-Source Leakage Current | IGSS | -100 | 100 | nA | VGS=±20V, VDS=0V | 2 | |
| Continuous Source Current | IS | 150 | A | VG=VD=0V, Force Current | 2 | ||
| Pulsed Source Current | ISM | 330 | A | 2 | |||
| Diode Forward Voltage | VSD | 1.3 | V | VGS=0V, IS=25A, TJ=25℃ | 2 | ||
| Drain-Source Voltage | VDS | 120 | V | 1 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current | ID | 140 | A | VGS @ 10V, TC=25℃ | 1 | ||
| Pulsed Drain Current | IDM | 330 | A | 1 | |||
| Single Pulse Avalanche Energy | EAS | 400 | mJ | 1 | |||
| Total Power Dissipation | PD | 192 | W | TC=25℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Operating Junction Temperature Range | TJ | -55 | 150 | ℃ | 1 | ||
| Thermal resistance, junction-case | RθJC | 0.65 | ℃/W | 1 | |||
| Thermal resistance, junction-ambient | RθJA | 62 | ℃/W | 1 | |||
| Total Gate Charge | Qg | 68.9 | nC | VDS=50V, VGS=10V, ID=15A | 2 | ||
| Gate-Source Charge | Qgs | 18.1 | nC | VDS=50V, VGS=10V, ID=15A | 2 | ||
| Gate-Drain Charge | Qgd | 15.9 | nC | VDS=50V, VGS=10V, ID=15A | 2 | ||
| Turn-On Delay Time | Td(on) | 30.3 | ns | VDD=50V, VGS=10V, RG=2Ω, ID=25A | 2 | ||
| Rise Time | Tr | 33 | ns | VDD=50V, VGS=10V, RG=2Ω, ID=25A | 2 | ||
| Turn-Off Delay Time | Td(off) | 59.5 | ns | VDD=50V, VGS=10V, RG=2Ω, ID=25A | 2 | ||
| Fall Time | Tf | 11.7 | ns | VDD=50V, VGS=10V, RG=2Ω, ID=25A | 2 | ||
| Input Capacitance | Ciss | 5823 | pF | VDS=50V, VGS=0V, f=1MHz | 2 | ||
| Output Capacitance | Coss | 778.3 | pF | VDS=50V, VGS=0V, f=1MHz | 2 | ||
| Reverse Transfer Capacitance | Crss | 17.5 | pF | VDS=50V, VGS=0V, f=1MHz | 2 |
CAD (KiCad official)
- Symbol:
WSR140N12 - Footprint:
Package_TO_SOT_THT:TO-220-3_Vertical - 3D model: TO-220-3L (KiCad packages3D, STEP)
- 3D model files:
wsr140n12-etched.step/wsr140n12-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wsr140n12.step/wsr140n12.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Winsok Semicon datasheet (6 pp, sha256
fcae4845f5f4b3db, retrieved 2026-10-24, 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).