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Contents

README

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4409

KUU · MOSFETs · SOP-8

4409 from KUU, 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; the absolute maximum drain-source voltage is -30 V (VDS) and the gate-source voltage is ±20 V (VGS).
2 S passive Source terminal of the P-channel MOSFET; the absolute maximum drain-source voltage is -30 V (VDS) and the gate-source voltage is ±20 V (VGS).
3 S passive Source terminal of the P-channel MOSFET; the absolute maximum drain-source voltage is -30 V (VDS) and the gate-source voltage is ±20 V (VGS).
4 G input Gate terminal of the P-channel MOSFET; gate-source voltage is rated ±20 V, and the device is specified for operation with gate voltages as low as 4.5 V.
5 D passive Drain terminal of the P-channel MOSFET; drain-source voltage is rated -30 V and continuous drain current at TA=25°C is -15 A.
6 D passive Drain terminal of the P-channel MOSFET; drain-source voltage is rated -30 V and continuous drain current at TA=25°C is -15 A.
7 D passive Drain terminal of the P-channel MOSFET; drain-source voltage is rated -30 V and continuous drain current at TA=25°C is -15 A.
8 D passive Drain terminal of the P-channel MOSFET; drain-source voltage is rated -30 V and continuous drain current at TA=25°C is -15 A.

Key specifications

Parameter Value
Manufacturer KUU
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
Drain-Source Voltage VDS -30 V 1
Gate-Source Voltage VGS -20 20 V 1
Drain Current ID -15 A TA=25°C 1
Drain Current (Pulsed) IDM -60 A Repetitive rating: pulse width limited by maximum junction temperature 1
Avalanche Current IAR 30 A 1
Repetitive Avalanche Energy EAR 135 mJ L=0.3mH 1
Total Power Dissipation PD 3.1 W TA=25°C 1
Total Power Dissipation PD 2.1 W TA=75°C 1
Maximum Diode Forward Current IS -2.1 A 1
Operating Junction and Storage Temperature Range Tj, Tstg -55 150 °C 1
Thermal Resistance Junction to Ambient (PCB mounted) RθJA 40 °C/W PCB mounted, 1-in² 2oz Cu PCB board 1
Drain-Source Breakdown Voltage BVDSS -30 V VGS=0V, ID=-250uA 2
Zero Gate Voltage Drain Current IDSS -1 uA VDS=-24V, VGS=0V 2
Gate-Body Leakage Current IGSS -100 100 nA VGS=±25V, VDS=0V 2
Gate Threshold Voltage VGS(th) -1 -1.5 -3 V VDS=VGS, ID=-250uA 2
On State Drain Current IDS(on) 60 A VDS=-5V, VGS=-10V 2
Drain-Source On-State Resistance RDS(on) 13 15 mΩ VGS=-4.5V, ID=-12A 2
Gate Resistance Rg 1 2 3 Ω VDS=0V, VGS=0V, f=1MHz 2
Drain-Source Diode Forward Voltage VSD -1 V VGS=0V, IS=-1A 2
Drain-Source Diode Forward Current IS -2.1 A 2
Reverse Recovery Time trr 33 40 nS IDS=-12A, dI/ dt=100A/ uS 2
Drain-Source On-State Resistance RDS(on) 12 mΩ VGS=-10V, ID=-15A 2
Forward Transconductance gFS 26 S VDS=-10V, ID=-5A 2
Output Capacitance Coss 410 pF VDS=-15V, VGS=0V, f=1MHz 2
Reverse Transfer Capacitance Crss 280 pF VDS=-15V, VGS=0V, f=1MHz 2
Total Gate Charge Qg 48 nC VDS=-15V, ID=-10A, VGS=-10V 2
Gate-Source Charge Qgs 12 nC VDS=-15V, ID=-10A, VGS=-10V 2
Gate-Drain Charge Qgd 14 nC VDS=-15V, ID=-10A, VGS=-10V 2
Turn-on Delay Time td(on) 15 nS VDD, VGS=-10V, RG=3Ω 2
Turn-on Rise Time tr 11 nS VDD, VGS=-10V, RG=3Ω 2
Turn-off Delay Time td(off) 44 nS VDD, VGS=-10V, RG=3Ω 2
Turn-off Fall Time tf 21 nS VDD, VGS=-10V, RG=3Ω 2
Reverse Recovery Charge Qrr 23 nC IDS=-12A, dI/ dt=100A/ uS 2

CAD (KiCad official)

  • Symbol: 4409
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: 4409-etched.step / 4409-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 4409.step / 4409.glb are the bare package body.

Provenance

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

  • Datasheet: KUU datasheet (6 pp, sha256 717c9110fefc7ca0, retrieved 2026-10-09, 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