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CMD5941

Cmos · MOSFETs · TO-252

CMD5941 from Cmos, 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 G input Gate; gate-source voltage limited to ±20 V, threshold VGS(th) -2 V to -4 V at ID=-250uA.
2 D passive Drain (center lead and mounting tab); drain-source voltage -100 V, continuous drain current -25 A at TC=25C.
3 S passive Source; continuous source current -25 A, pulsed source current -100 A.

Key specifications

Parameter Value
Manufacturer Cmos
Package TO-252
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 Voltage VDS -100 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID -25 A 1
Pulsed Drain Current IDM -100 A 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ 150 ℃ 1
Single Pulse Avalanche Energy EAS 171 mJ Note 1: VDD=-30V, VGS=-10V, L=1mH, IAS=-18.5A 1
Total Power Dissipation PD@TC=25℃ 50 W @TC=25℃ 1
Continuous Drain Current ID@TC=100℃ -17 A TC=100℃ 1
Thermal Resistance Junction-ambient RθJA 62.5 ℃/W 1
Thermal Resistance Junction-case RθJC 2.5 ℃/W 1
Drain-Source Breakdown Voltage BVDSS -100 V VGS=0V, ID=-250μA 2
Static Drain-Source On-Resistance RDS(ON) 103 125 mΩ VGS=-4.5V, ID=-20A 2
Gate Threshold Voltage VGS(th) -2 -4 V VGS=VDS, ID=-250uA 2
Drain-Source Leakage Current IDSS -1 uA VDS=-85V, VGS=0V, TJ=25℃ 2
Gate-Source Leakage Current IGSS -100 100 nA VGS = ±20V, VDS=0V 2
Continuous Source Current IS -25 A 2
Pulsed Source Current ISM -100 A VG=VD=0V, Force Current 2
Diode Forward Voltage VSD -0.88 -1.3 V VGS=0V, IF=-10A 2

CAD (KiCad official)

  • Symbol: CMD5941
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: cmd5941-etched.step / cmd5941-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cmd5941.step / cmd5941.glb are the bare package body.

Provenance

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

  • Datasheet: Cmos datasheet (5 pp, sha256 d8ba618e8854daa2, retrieved 2026-10-20, 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