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KAO3401

Public Made by Adom

by adom

KUU MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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KAO3401

KUU · MOSFETs · SOT-23

KAO3401 from KUU, in a SOT-23. 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 GATE input Gate terminal of the P-channel MOSFET, with gate-source voltage VGS rated at ±12 V.
2 SOURCE passive Source terminal of the P-channel MOSFET; the continuous source-drain diode current IS is rated at -2 A.
3 DRAIN passive Drain terminal of the P-channel MOSFET, with drain-source voltage VDS rated at -30 V and continuous drain current ID rated at -4.1 A.

Key specifications

Parameter Value
Manufacturer KUU
Package SOT-23
Category Transistors/Thyristors
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 -30 V Ta=25℃ 1
Gate-Source Voltage VGS -12 12 V Ta=25℃ 1
Continuous Drain Current ID -4.1 A Ta=25℃ 1
Pulsed Diode Current IDM -27 A Ta=25℃ 1
Continuous Source-Drain Current (Diode Conduction) IS -2 A Ta=25℃ 1
Power Dissipation PD 1.4 W Ta=25℃ 1
Operating Junction Temperature TJ 150 ℃ Ta=25℃ 1
Storage Temperature TSTG -55 150 ℃ Ta=25℃ 1
Thermal Resistance from Junction to Ambient RθJA 125 ℃/W t≤5s, surface mounted on FR4 board 1
Gate-source threshold voltage VGS(th) -0.6 -1.2 V VDS =VGS, ID = -250µA 2
Gate-source leakage IGSS -100 100 nA VDS =0V, VGS = ±12V 2
Drain-source on-state resistance RDS(on) 50 60 mΩ VGS = -10V, ID = -2.8A 2
Drain-source on-state resistance RDS(on) 55 70 mΩ VGS = -4.5V, ID = -2.8A 2
Drain-source on-state resistance RDS(on) 71 100 mΩ VGS = -2.5V, ID = -2A 2
Diode forward voltage VSD -0.7 -1.3 V IS=1A,VGS=0V 2
Drain-source breakdown voltage V(BR)DSS -30 V VGS = 0V, ID = -250µA 2
Zero gate voltage drain current IDSS 1 µA VDS = -30V, VGS =0V 2
Forward transconductance gfs 7 S VDS = -4.5V, ID = -4.1A 2
Input capacitance Ciss 645 pF VDS = -15V,VGS =0V, f=1MHz 2
Output capacitance Coss 80 pF VDS = -15V,VGS =0V, f=1MHz 2
Reverse transfer capacitance Crss 55 pF VDS = -15V,VGS =0V, f=1MHz 2
Total gate charge Qg 14 nC VDS = -15V,VGS = -10V, ID =-4.1A 2
Gate-source charge Qgs 1.5 nC VDS = -15V,VGS = -10V, ID =-4.1A 2
Gate-drain charge Qgd 2.5 nC VDS = -15V,VGS = -10V, ID =-4.1A 2
Gate resistance Rg 8 Ω f=1MHz 2
Turn-on delay time td(on) 6.3 ns VDD= -15V, RL=4Ω, ID ≈ -1A, VGEN=- 10V,Rg=3Ω 2
Rise time tr 3.2 ns VDD= -15V, RL=4Ω, ID ≈ -1A, VGEN=- 10V,Rg=3Ω 2
Turn-off delay time td(off) 41 ns VDD= -15V, RL=4Ω, ID ≈ -1A, VGEN=- 10V,Rg=3Ω 2
Fall time tf 9 ns VDD= -15V, RL=4Ω, ID ≈ -1A, VGEN=- 10V,Rg=3Ω 2
Continuous Source-Drain Diode Current IS -1.3 A Tc=25℃ 2
Pulsed Diode forward Current ISM -20 A 2

CAD (KiCad official)

  • Symbol: KAO3401
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: kao3401-etched.step / kao3401-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); kao3401.step / kao3401.glb are the bare package body.

Provenance

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

  • Datasheet: KUU datasheet (4 pp, sha256 06d802c087c7ed8c, retrieved 2026-10-18, 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