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STP4403

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

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STP4403

STANSON Tech · MOSFETs · SOP-8

STP4403 from STANSON Tech, 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, tied to pins 2 and 3; drain-source voltage rated -20 V.
2 S passive Source of the P-channel MOSFET, tied to pins 1 and 3; continuous source (diode) current is -2.3 A.
3 S passive Source of the P-channel MOSFET, tied to pins 1 and 2; connects to the body diode anode side.
4 G input Gate of the P-channel MOSFET; gate-source voltage rated ±12 V with threshold of -0.35 V to -0.9 V.
5 D passive Drain of the P-channel MOSFET, tied to pins 6, 7 and 8; continuous drain current -10.0 A at TA=25℃.
6 D passive Drain of the P-channel MOSFET, tied to pins 5, 7 and 8; pulsed drain current -30 A.
7 D passive Drain of the P-channel MOSFET, tied to pins 5, 6 and 8; RDS(on) 30 mΩ max at VGS=-4.5 V.
8 D passive Drain of the P-channel MOSFET, tied to pins 5, 6 and 7; drain-source breakdown voltage -20 V min.

Key specifications

Parameter Value
Manufacturer STANSON Tech
Package SOP-8
Category Transistors/Thyristors
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
Gate-Source Voltage VGSS -12 12 V 2
Operation Junction Temperature TJ -55 150 ℃ 2
Storage Temperature Range TSTG -55 150 ℃ 2
Gate Threshold Voltage VGS(th) -0.35 -0.9 V VDS=VGS,ID=-250uA 3
Drain-source On-Resistance RDS(on) 22 27 mΩ VGS=-4.5V,ID=-10A 3
Drain-source On-Resistance RDS(on) 32 35 mΩ VGS=-2.5V,ID=-8.6A 3
Drain-source On-Resistance RDS(on) 43 48 mΩ VGS=-1.8V,ID=-7.6A 3
Diode Forward Voltage VSD -0.8 -1.2 V IS=-2.5A,VGS=0V 3
Total Gate Charge Qg 30 45 nC VDS=-10V,VGS=-5V ID≡-10.0A 3
Turn-On Time (delay) td(on) 25 40 nS VDD=-10V,RL=15Ω ID=-1A,VGEN=-4.5V RG=6Ω 3
Turn-On Time (rise) tr 45 70 nS VDD=-10V,RL=15Ω ID=-1A,VGEN=-4.5V RG=6Ω 3
Turn-Off Time (delay) td(off) 145 240 nS VDD=-10V,RL=15Ω ID=-1A,VGEN=-4.5V RG=6Ω 3
Turn-Off Time (fall) tf 70 115 nS VDD=-10V,RL=15Ω ID=-1A,VGEN=-4.5V RG=6Ω 3
Drain-Source Voltage VDSS -20 V 2
Continuous Drain Current ID -10 A TJ=150℃, TA=25℃ 2
Continuous Drain Current ID -8 A TJ=150℃, TA=70℃ 2
Pulsed Drain Current IDM -30 A 2
Continuous Source Current (Diode Conduction) IS -2.3 A 2
Power Dissipation PD 2.8 W TA=25℃ 2
Power Dissipation PD 1.8 W TA=70℃ 2
Thermal Resistance-Junction to Ambient RθJA 70 ℃/W 2
Drain-Source Breakdown Voltage V(BR)DSS -20 V VGS=0V,ID=-250uA 3
Zero Gate Voltage Drain Current IDSS -1 uA VDS=-16V,VGS=0V 3
Zero Gate Voltage Drain Current (TJ=55℃) IDSS -10 uA VDS=-20V,VGS=0V TJ=55℃ 3
On-State Drain Current ID(on) -20 A VDS=-5V,VGS=-4.5V 3
Forward Transconductance gfs 36 S VDS=-5.0V,ID=-10A 3
Gate-Source Charge Qgs 4.5 nC VDS=-10V,VGS=-5V ID≡-10.0A 3
Gate-Drain Charge Qgd 8 nC VDS=-10V,VGS=-5V ID≡-10.0A 3
Input Capacitance Ciss 2670 pF VDS=-10V,VGS=0V f=1MHz 3
Output Capacitance Coss 520 pF VDS=-10V,VGS=0V f=1MHz 3
Reverse Transfer Capacitance Crss 480 pF VDS=-10V,VGS=0V f=1MHz 3

CAD (KiCad official)

  • Symbol: STP4403
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: stp4403-etched.step / stp4403-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stp4403.step / stp4403.glb are the bare package body.

Provenance

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

  • Datasheet: STANSON Tech datasheet (6 pp, sha256 e0f261b0bd7cd4ff, retrieved 2026-10-18, 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