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CMD4003B

Public Made by Adom

by adom

Cmos MOSFETs, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CMD4003B

Cmos · MOSFETs · TO-252

CMD4003B 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 with a threshold of -1 to -3 V at ID=-250uA.
2 D passive Drain (also the mounting tab); drain-source voltage -40 V, continuous drain current -12 A at TC=25℃.
3 S passive Source; continuous source (body diode) current -12 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 -40 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID@TC=25℃ -12 A TC=25℃ 1
Continuous Drain Current ID@TC=100℃ -9 A TC=100℃ 1
Pulsed Drain Current IDM -36 A 1
Avalanche Current IAR -20 A 1
Total Power Dissipation PD@TC=25℃ 50 W TC=25℃ 1
Storage Temperature Range TSTG -55 175 ℃ 1
Operating Junction Temperature Range TJ -55 175 ℃ 1
Thermal Resistance Junction-ambient RθJA 25 ℃/W 1
Thermal Resistance Junction-Case RθJC 3 ℃/W 1
Drain-Source Breakdown Voltage BVDSS -40 V VGS=0V, ID=-250uA 2
Static Drain-Source On-Resistance RDS(ON) 37 mΩ VGS=-10V, ID=-20A 2
Static Drain-Source On-Resistance RDS(ON) 57 mΩ VGS=-4.5V, ID=-10A 2
Gate Threshold Voltage VGS(th) -1 -3 V VGS=VDS, ID=-250uA 2
Drain-Source Leakage Current IDSS -1 uA VDS=-32V, VGS=0V, TJ=25℃ 2
Drain-Source Leakage Current IDSS -5 uA VDS=-32V, VGS=0V, TJ=55℃ 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±20V, VDS=0V 2
Continuous Source Current IS -12 A VG=VD=0V, Force Current 2
Pulsed Source Current ISM -36 A VG=VD=0V, Force Current 2
Diode Forward Voltage VSD -1.2 V VGS=0V, IS=-10A, TJ=25℃ 2
Forward Transconductance gfs 19 S VDS=-5V, ID=-12A 2
Gate Resistance Rg 14 Ω VDS=0V, VGS=0V, f=1MHz 2
Total Gate Charge Qg 17 nC VDS=-20V, VGS=-10V, ID=-12A 2
Gate-Source Charge Qgs 4 nC VDS=-20V, VGS=-10V, ID=-12A 2
Gate-Drain Charge Qgd 3.5 nC VDS=-20V, VGS=-10V, ID=-12A 2
Turn-On Delay Time Td(on) 6.2 ns VDS=-20V, VGS=-10V, RL=1.6Ω, RGEN=3Ω 2
Rise Time Tr 8.5 ns VDS=-20V, VGS=-10V, RL=1.6Ω, RGEN=3Ω 2
Turn-Off Delay Time Td(off) 45 ns VDS=-20V, VGS=-10V, RL=1.6Ω, RGEN=3Ω 2
Fall Time Tf 41.2 ns VDS=-20V, VGS=-10V, RL=1.6Ω, RGEN=3Ω 2
Input Capacitance Ciss 1500 pF VDS=-20V, VGS=0V, f=1MHz 2
Output Capacitance Coss 800 pF VDS=-20V, VGS=0V, f=1MHz 2
Reverse Transfer Capacitance Crss 400 pF VDS=-20V, VGS=0V, f=1MHz 2

CAD (KiCad official)

  • Symbol: CMD4003B
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: cmd4003b-etched.step / cmd4003b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cmd4003b.step / cmd4003b.glb are the bare package body.

Provenance

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

  • Datasheet: Cmos datasheet (3 pp, sha256 d68df419034e1ba1, retrieved 2026-10-22, 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