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CMB5950A

Public Made by Adom

by adom

Cmos MOSFETs, TO-263. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CMB5950A

Cmos · MOSFETs · TO-263

CMB5950A from Cmos, in a TO-263. 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.
2 D passive Drain (also the TO-263 tab); VDS max -100 V, continuous ID -35 A at TC=25℃, pulsed IDM -140 A.
3 S passive Source; continuous source (body-diode) current IS -35 A, pulsed -140 A.

Key specifications

Parameter Value
Manufacturer Cmos
Package TO-263
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 -100 V VGS=0V, ID=-250uA 2
Static Drain-Source On-Resistance RDS(ON) 45 52 mΩ VGS=-10V, ID=-20A 2
Gate Threshold Voltage VGS(th) -2 -4 V VGS=VDS, ID=-250uA 2
Drain-Source Leakage Current IDSS -1 uA VDS=-100V, VGS=0V 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±20V, VDS=0V 2
Continuous Source Current IS -35 A 2
Pulsed Source Current ISM -140 A VG=VD=0V, Force Current 2
Diode Forward Voltage VSD -0.83 -1.2 V VGS=0V, IS=-10 A, TJ=25℃ 2
Drain-Source Voltage VDS -100 V 1
Gate-Source Voltage VGS -20 20 V 1
Total Power Dissipation PD@TC=25℃ 120 W TC=25℃ 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ 150 ℃ 1
Pulsed Drain Current IDM -140 A 1
Single Pulse Avalanche Energy EAS 220 mJ Note 1: VDD=-80V, VGS=-10V, L=1mH, IAS=-21A 1
Continuous Drain Current ID@TC=25℃ -35 A TC=25℃ 1
Continuous Drain Current ID@TC=100℃ -24 A TC=100℃ 1
Thermal Resistance Junction-ambient RθJA 62 ℃/W 1
Thermal Resistance Junction-case RθJC 1.04 ℃/W 1

CAD (KiCad official)

  • Symbol: CMB5950A
  • Footprint: Package_TO_SOT_SMD:TO-263-2
  • 3D model: TO-263 (KiCad packages3D, STEP)
  • 3D model files: cmb5950a-etched.step / cmb5950a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cmb5950a.step / cmb5950a.glb are the bare package body.

Provenance

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

  • Datasheet: Cmos datasheet (3 pp, sha256 6c1afe54734a46af, retrieved 2026-10-21, 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