component
AO3424
Public Made by Adomby adom
Alpha Omega Semicon MOSFETs, SOT-23-3. 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
markdownAO3424
Alpha Omega Semicon · MOSFETs · SOT-23-3
AO3424 from Alpha Omega Semicon, in a SOT-23-3. 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 | G | input | Gate; gate-source voltage max ±12V, threshold 0.5V min to 1.5V max at ID=250µA, usable with gate drive as low as 2.5V. |
| 2 | S | passive | Source; continuous drain current 3.8A at TA=25°C and body-diode continuous current 1.5A max. |
| 3 | D | passive | Drain; drain-source voltage max 30V, pulsed drain current 15A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Alpha Omega Semicon |
| Package | SOT-23-3 |
| 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 | -12 | 12 | V | 1 | ||
| Continuous Drain Current | ID | 3.8 | A | TA=25°C | 1 | ||
| Continuous Drain Current | ID | 3.1 | A | TA=70°C | 1 | ||
| Pulsed Drain Current | IDM | 15 | A | 1 | |||
| Power Dissipation | PD | 1.4 | W | TA=25°C | 1 | ||
| Power Dissipation | PD | 0.9 | W | TA=70°C | 1 | ||
| Junction and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Maximum Junction-to-Ambient (steady-state) | RθJA | 125 | °C/W | Steady-State, 1in² FR-4 board, TA=25°C | 1 | ||
| Drain-Source Breakdown Voltage | BVDSS | 30 | V | ID=250µA, VGS=0V | 2 | ||
| Zero Gate Voltage Drain Current | IDSS | 1 | µA | VDS=30V, VGS=0V | 2 | ||
| Zero Gate Voltage Drain Current | IDSS | 5 | µA | VDS=30V, VGS=0V, TJ=55°C | 2 | ||
| Gate-Body Leakage Current | IGSS | 100 | nA | VDS=0V, VGS=±12V | 2 | ||
| Gate Threshold Voltage | VGS(th) | 0.5 | 1 | 1.5 | V | VDS=VGS ID=250µA | 2 |
| On State Drain Current | ID(ON) | 15 | A | VGS=10V, VDS=5V | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 43 | 55 | mΩ | VGS=10V, ID=3.8A | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 70 | 84 | mΩ | TJ=125°C | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 47 | 65 | mΩ | VGS=4.5V, ID=3.5A | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 59 | 85 | mΩ | VGS=2.5V, ID=1A | 2 | |
| Diode Forward Voltage | VSD | 0.75 | 1 | V | IS=1A, VGS=0V | 2 | |
| Maximum Body-Diode Continuous Current | IS | 1.5 | A | 2 | |||
| Input Capacitance | Ciss | 185 | 235 | 285 | pF | VGS=0V, VDS=15V, f=1MHz | 2 |
| Output Capacitance | Coss | 25 | 35 | 45 | pF | VGS=0V, VDS=15V, f=1MHz | 2 |
| Reverse Transfer Capacitance | Crss | 10 | 18 | 25 | pF | VGS=0V, VDS=15V, f=1MHz | 2 |
| Gate Resistance | Rg | 2.1 | 4.3 | 6.5 | Ω | VGS=0V, VDS=0V, f=1MHz | 2 |
| Total Gate Charge (10V) | Qg | 10 | 12 | nC | VGS=10V, VDS=15V, ID=3.8A | 2 | |
| Body Diode Reverse Recovery Time | trr | 8.5 | 11 | ns | IF=3.8A, dI/dt=100A/µs | 2 | |
| Body Diode Reverse Recovery Charge | Qrr | 2.6 | 3.5 | nC | IF=3.8A, dI/dt=100A/µs | 2 |
CAD (KiCad official)
- Symbol:
AO3424 - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files:
ao3424-etched.step/ao3424-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ao3424.step/ao3424.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Alpha Omega Semicon datasheet (5 pp, sha256
8fda0b6b9c4a51af, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).