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WSR140N12

Public Made by Adom

by adom

Winsok Semicon MOSFETs, TO-220-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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WSR140N12

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wsr140n12.step / wsr140n12.glb are 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, 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