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Contents

README

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KAO3407

KUU · MOSFETs · SOT-23

KAO3407 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; gate-source voltage is rated at ±20 V maximum (VGS).
2 SOURCE passive Source terminal of the P-channel MOSFET; continuous source-drain diode conduction current is rated at -1 A (IS).
3 DRAIN passive Drain terminal of the P-channel MOSFET; rated at -30 V drain-source voltage (VDS), -4.1 A continuous drain current (ID) and -25 A pulsed drain current (IDM).

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 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID -4.1 A 1
Pulsed Diode Current IDM -25 A 1
Continuous Source-Drain Current (Diode Conduction) IS -1 A 1
Power Dissipation PD 1.4 W 1
Thermal Resistance from Junction to Ambient RθJA 125 ℃/W t≤5s 1
Operating Junction Temperature TJ 150 ℃ 1
Storage Temperature TSTG -55 150 ℃ 1
Drain-source breakdown voltage V(BR)DSS -30 V VGS = 0V, ID = -250µA 2
Gate-source threshold voltage VGS(th) -1 -2 V VDS = VGS, ID = -250µA 2
Gate-source leakage IGSS -100 100 nA VDS = 0V, VGS = ±20V 2
Zero gate voltage drain current IDSS 1 µA VDS = -30V, VGS = 0V 2
Drain-source on-state resistance (VGS = -10V) RDS(on) 48 80 mΩ VGS = -10V, ID = -4A 2
Drain-source on-state resistance (VGS = -4.5V) RDS(on) 61 110 mΩ VGS = -4.5V, ID = -1.5A 2
Diode forward voltage VSD -0.8 -1.3 V IS = -1A, VGS = 0V 2
Gate resistance Rg 7.5 11.5 Ω f = 1MHz 2

CAD (KiCad official)

  • Symbol: KAO3407
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: kao3407-etched.step / kao3407-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); kao3407.step / kao3407.glb are the bare package body.

Provenance

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

  • Datasheet: KUU datasheet (4 pp, sha256 2790951e29d11bee, retrieved 2026-10-17, 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