component
KAO3401
Public Made by Adomby adom
KUU MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownKAO3401
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);kao3401.step/kao3401.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).