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NCE40P40K

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Wuxi NCE Power Semiconductor MOSFETs, TO-252-2L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs nce40p40k: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
viewers nce40p40k: viewers · Ray 24d ago
nce40p40k-etched.glb nce40p40k: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
nce40p40k-etched.step nce40p40k: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
nce40p40k-hero.glb nce40p40k: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
nce40p40k-hero.overlay.json nce40p40k: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
nce40p40k.glb Publish 0.1.0 · Ray 24d ago
nce40p40k.kicad_mod Publish 0.1.0 · Ray 24d ago
nce40p40k.kicad_sym Publish 0.1.0 · Ray 24d ago
nce40p40k.lbr Publish 0.1.0 · Ray 24d ago
nce40p40k.step Publish 0.1.0 · Ray 24d ago
package.json nce40p40k: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
page.json nce40p40k: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
README.md nce40p40k: specified limits as data (metadata.characteristics, 16 rows from the datasheet) · Ray 17d ago

NCE40P40K

Wuxi NCE Power Semiconductor · MOSFETs · TO-252-2L

NCE40P40K from Wuxi NCE Power Semiconductor, in a TO-252-2L. 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; P-channel gate drive, VGS rated ±20 V with RDS(ON) <14 mΩ at VGS=-10V and threshold -1.5 V to -3.0 V.
2 D passive Drain; center stub and exposed mounting tab, VDS -40 V, continuous ID -40 A (pulsed IDM -50 A).
3 S passive Source; connects to the body diode anode side, with continuous diode forward current IS of -40 A.

Key specifications

Parameter Value
Manufacturer Wuxi NCE Power Semiconductor
Package TO-252-2L
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 -40 V 1
Gate-Source Voltage VGS -20 20 V 1
Drain Current-Continuous ID -40 A 1
Drain Current-Continuous ID (100℃) -25 A TC=100℃ 1
Pulsed Drain Current IDM -50 A 1
Maximum Power Dissipation PD 80 W 1
Single pulse avalanche energy EAS 544 mJ Note 5: Tj=25℃, VDD=-20V, VG=-10V, L=1mH, Rg=25Ω, IAS=33A 1
Operating Junction and Storage Temperature Range TJ,TSTG -55 175 ℃ 1
Thermal Resistance, Junction-to-Case RθJC 1.88 ℃/W Note 2: Surface Mounted on FR4 Board, t ≤ 10 sec 2
Drain-Source Breakdown Voltage BVDSS -40 V VGS=0V ID=-250μA 2
Zero Gate Voltage Drain Current IDSS -1 μA VDS=-40V,VGS=0V 2
Gate-Body Leakage Current IGSS -100 100 nA VGS=±20V,VDS=0V 2
Gate Threshold Voltage VGS(th) -1.5 -1.9 -3 V VDS=VGS,ID=-250μA 2
Drain-Source On-State Resistance RDS(ON) 12 14 mΩ VGS=-10V, ID=-12A 2
Forward Transconductance gFS 34 S VDS=-5V,ID=-12A 2
Diode Forward Current IS -40 A 2

CAD (KiCad official)

  • Symbol: NCE40P40K
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252-2L (KiCad packages3D, STEP)
  • 3D model files: nce40p40k-etched.step / nce40p40k-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); nce40p40k.step / nce40p40k.glb are the bare package body.

Provenance

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

  • Datasheet: Wuxi NCE Power Semiconductor datasheet (7 pp, sha256 de1510e236bec3ea, retrieved 2026-10-09, 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