component

AO4403-MS

Public Made by Adom

by adom

MSKSEMI MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componenttriode-mos tube-transistorao4403-msfactory-2.0.0extractor-text

Verified AO4403-MS

by Ray · last 4 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

4 Nov 2026RayPublished by the parts factory: tier lcsc, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: AO4403-MS · SOP-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 7-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: SOIC-8_3.9x4.9mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-9fn4hcwe/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ ao4403-ms.kicad_sym✓ ao4403-ms.kicad_mod✓ ao4403-ms.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 2d ago
viewers ao4403-ms: viewers · Ray 2d ago
ao4403-ms-etched.glb Publish 0.1.0 · Ray 2d ago
ao4403-ms-etched.step ao4403-ms: factory component page (tier=lcsc) · Ray 2d ago
ao4403-ms-hero.glb ao4403-ms: hero GLB from the etched model (keeps the MPN mark) · Ray 2d ago
ao4403-ms-hero.overlay.json Publish 0.1.0 · Ray 2d ago
ao4403-ms.glb Publish 0.1.0 · Ray 2d ago
ao4403-ms.kicad_mod Publish 0.1.0 · Ray 2d ago
ao4403-ms.kicad_sym Publish 0.1.0 · Ray 2d ago
ao4403-ms.lbr Publish 0.1.0 · Ray 2d ago
ao4403-ms.step Publish 0.1.0 · Ray 2d ago
package.json Publish 0.1.0 · Ray 2d ago
page.json Set visibility: public · Ray 2d ago
README.md Publish 0.1.0 · Ray 2d ago
verification.json Verified: Published by the parts factory: tier lcsc, 8 pins · Ray 2d ago

AO4403-MS

MSKSEMI · MOSFETs · SOP-8

AO4403-MS from MSKSEMI, 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 of the P-channel MOSFET, with the body diode continuous current rated at -3.5 A (IS) and the drain current rated at -6 A at TA=25°C.
2 S passive Source of the P-channel MOSFET, with the body diode continuous current rated at -3.5 A (IS) and the drain current rated at -6 A at TA=25°C.
3 S passive Source of the P-channel MOSFET, with the body diode continuous current rated at -3.5 A (IS) and the drain current rated at -6 A at TA=25°C.
4 G passive Gate of the P-channel MOSFET, with an absolute maximum gate-source voltage of ±12 V and a threshold of -0.5 V min to -1.3 V max at ID=-250 µA.
5 D passive Drain of the P-channel MOSFET, with an absolute maximum drain-source voltage of -30 V, continuous current of -6 A at TA=25°C and pulsed current of -30 A.
6 D passive Drain of the P-channel MOSFET, with an absolute maximum drain-source voltage of -30 V, continuous current of -6 A at TA=25°C and pulsed current of -30 A.
7 D passive Drain of the P-channel MOSFET, with an absolute maximum drain-source voltage of -30 V, continuous current of -6 A at TA=25°C and pulsed current of -30 A.
8 D passive Drain of the P-channel MOSFET, with an absolute maximum drain-source voltage of -30 V, continuous current of -6 A at TA=25°C and pulsed current of -30 A.

Key specifications

Parameter Value
Manufacturer MSKSEMI
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 Voltage VDS -30 V 2
Gate-Source Voltage VGS -12 12 V 2
Continuous Drain Current ID -6 A TA=25°C 2
Continuous Drain Current ID -5 A TA=70°C 2
Pulsed Drain Current IDM -30 A 2
Avalanche Current IAS,IAR 18 A 2
Avalanche Energy EAS,EAR 16 mJ L=0.1mH 2
Power Dissipation PD 3.1 W TA=25°C 2
Power Dissipation PD 2 W TA=70°C 2
Thermal Resistance Junction-to-Ambient RthJA 40 ℃/W t ≤ 10s 2
Thermal Resistance Junction-to-Ambient RthJA 75 ℃/W Steady-State 2
Thermal Resistance Junction-to-Lead RthJL 24 ℃/W 2
Junction Temperature TJ 150 ℃ 2
Junction Storage Temperature Range Tstg -55 150 ℃ 2
Drain-Source Breakdown Voltage VDSS -30 V ID=-250 μA, VGS=0V 3
Zero Gate Voltage Drain Current IDSS -1 μA VDS=-30V, VGS=0V 3
Zero Gate Voltage Drain Current IDSS -5 μA VDS=-30V, VGS=0V, TJ=55℃ 3
Gate-Body Leakage Current IGSS -100 100 nA VDS=0V, VGS=±12V 3
Gate Threshold Voltage VGS(th) -0.5 -1.3 V VDS=VGS ID=-250 μA 3
Static Drain-Source On-Resistance RDS(On) 48 mΩ VGS=-10V, ID=-6A 3
Static Drain-Source On-Resistance RDS(On) 72 mΩ VGS=-10V, ID=-6A, TJ=125℃ 3
Static Drain-Source On-Resistance RDS(On) 57 mΩ VGS=-4.5V, ID=-4A 3
Static Drain-Source On-Resistance RDS(On) 80 mΩ VGS=-2.5V, ID=-2A 3
On-State Drain Current ID(ON) -30 A VGS=-4.5V, VDS=-5V 3
Forward Transconductance gFS 19 S VDS=-5V, ID=-6A 3
Input Capacitance Ciss 645 780 pF VGS=0V, VDS=-15V, f=1MHz 3
Output Capacitance Coss 80 pF 3
Reverse Transfer Capacitance Crss 55 pF 3
Gate Resistance Rg 4 12 Ω VGS=0V, VDS=0V, f=1MHz 3
Total Gate Charge Qg 7 nC VGS=-4.5V, VDS=-15V, ID=-6A 3
Gate Source Charge Qgs 1.5 nC 3
Gate Drain Charge Qgd 2.5 nC 3
Turn-On Delay Time td(on) 6.5 ns VGS=-10V, VDS=-15V, RL=2.5Ω, RGEN=6Ω 3
Turn-On Rise Time tr 3.5 ns 3
Turn-Off Delay Time td(off) 41 ns 3
Turn-Off Fall Time tf 9 ns 3
Body Diode Reverse Recovery Time trr 11 ns IF=-6A, dI/dt=100A/μs 3
Body Diode Reverse Recovery Charge Qrr 3.5 nC 3
Maximum Body-Diode Continuous Current IS -3.5 A 3
Diode Forward Voltage VSD -1 V IS=-1A, VGS=0V 3

CAD (KiCad official)

  • Symbol: AO4403-MS
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ao4403-ms-etched.step / ao4403-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ao4403-ms.step / ao4403-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (7 pp, sha256 b7933d138009e800, retrieved 2026-11-04, 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