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CMS4443A

Cmos · MOSFETs · SOP-8

CMS4443A from Cmos, in a SOP-8. 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 S passive Source terminal of the P-channel MOSFET, rated for the device's VDS of -40 V and continuous ID of -6 A.
2 S passive Source terminal of the P-channel MOSFET, rated for the device's VDS of -40 V and continuous ID of -6 A.
3 S passive Source terminal of the P-channel MOSFET, rated for the device's VDS of -40 V and continuous ID of -6 A.
4 G input Gate terminal, with VGS limited to ±20 V per the absolute maximum ratings and a gate threshold of -1 V to -3 V.
5 D passive Drain terminal, connected to the drain of the P-channel MOSFET (VDS -40 V, ID -6 A).
6 D passive Drain terminal, connected to the drain of the P-channel MOSFET (VDS -40 V, ID -6 A).
7 D passive Drain terminal, connected to the drain of the P-channel MOSFET (VDS -40 V, ID -6 A).
8 D passive Drain terminal, connected to the drain of the P-channel MOSFET (VDS -40 V, ID -6 A).

Key specifications

Parameter Value
Manufacturer Cmos
Package SOP-8
Category Triode/MOS Tube/Transistor
Pins 8

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 -40 V VGS=0V, ID=-250μA 2
Static Drain-Source On-Resistance RDS(ON) 39 mΩ VGS=-10V, ID=-8A 2
Static Drain-Source On-Resistance RDS(ON) 55 mΩ VGS=-4.5V, ID=-4A 2
Gate Threshold Voltage VGS(th) -1 -3 V VGS=VDS, ID=-250μA 2
Drain-Source Leakage Current IDSS -1 uA VDS=-40V, VGS=0V 2
Diode Forward Voltage VSD -1 V VGS=0V, ISD=-8A 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±20V, VDS=0V 2
Drain-Source Voltage VDS -40 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID -6 A 1
Pulsed Drain Current IDM -24 A Note 1: pulse width limited by max. junction temperature 1
Total Power Dissipation PD 3 W TA=25℃ 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Thermal Resistance, Junction-to-Ambient (PCB mounted) RθJA 70 ℃/W PCB mounted 1

CAD (KiCad official)

  • Symbol: CMS4443A
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: cms4443a-etched.step / cms4443a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cms4443a.step / cms4443a.glb are the bare package body.

Provenance

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

  • Datasheet: Cmos datasheet (2 pp, sha256 769e190a8729ceb3, retrieved 2026-10-29, 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