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WGD120N03

Wild Goose · MOSFETs · TO-252

WGD120N03 from Wild Goose, in a TO-252. 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 Gate input Gate (G) terminal of the 30 V N-channel MOSFET; the datasheet gives a gate-source voltage limit of ±20 V in its absolute maximum ratings.
2 Drain passive Drain (D) terminal, rated for a drain-source voltage of 30 V and a drain current of 120 A at Tj=25℃ per the absolute maximum ratings.
3 Source passive Source (S) terminal, the reference for the gate-source and drain-source ratings given in the absolute maximum ratings.

Key specifications

Parameter Value
Manufacturer Wild Goose
Package TO-252
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 VDSS 30 V 1
Drain Current ID 120 A Tj=25℃ 1
Drain Current ID 70 A Tj=100℃ 1
Gate Threshold Voltage (printed label; symbol is gate-source voltage) VGSS -20 20 V 1
Single Pulse Avalanche Energy EAS 350 mJ see note 5: Tj=25℃, VDD=15V, VG=10V, L=0.5mH, Rg=25Ω 1
Pulsed Drain Current IDM 400 A 1
Power Dissipation PD 110 W Tj=25℃ 1
Junction Temperature (Max) Tj 175 ℃ 1
Storage Temperature Tstg -55 175 ℃ 1
Maximum lead temperature for soldering purpose, 1/8" from case for 5 seconds TL 300 1/8" from case for 5 seconds 1
Thermal Resistance, Junction to Case RθJC 1.36 ℃/W 1
Drain-Source Breakdown Voltage BVDSS 30 V VGS=0V ID=250μA 2
Zero Gate Voltage Drain Current IDSS 1 μA VDS=30V,VGS=0V 2
Gate-Body Leakage Current IGSS -100 100 nA VGS=±20V,VDS=0V 2
Gate Threshold Voltage VGS(th) 1 1.6 3 V VDS=VGS,ID=250μA 2
Drain-Source On-State Resistance RDS(ON) 3.3 4.2 mΩ VGS=10V, ID=20A 2
Forward Transconductance gFS 50 S VDS=10V,ID=20A 2
Diode Forward Voltage VSD 1.2 V VGS=0V,IS=20A 2
Diode Forward Current IS 120 A 2

CAD (KiCad official)

  • Symbol: WGD120N03
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: wgd120n03-etched.step / wgd120n03-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wgd120n03.step / wgd120n03.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Wild Goose datasheet (6 pp, sha256 b1a4969a6b33b6b7, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF