component
AO3401MI-MS
Public Made by Adomby adom
MSKSEMI MOSFETs, SOT-23-3L. 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
markdownAO3401MI-MS
MSKSEMI · MOSFETs · SOT-23-3L
AO3401MI-MS from MSKSEMI, in a SOT-23-3L. 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 of the P-channel MOSFET; gate-source voltage is limited to ±12 V and the threshold VGS(th) is -0.7 V min, -0.9 V typ, -1.3 V max at ID=-250µA. |
| 2 | S | passive | Source of the P-channel MOSFET; drain-source voltage rating is -30 V and continuous drain current is -4.2 A. |
| 3 | D | passive | Drain of the P-channel MOSFET, with a body diode to the source; VDS is -30 V max and RDS(on) is 65 mΩ max at VGS=-10 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23-3L |
| 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 breakdown voltage | V(BR)DSS | -30 | V | VGS = 0V, ID = -250µA | 3 | ||
| Zero gate voltage drain current | IDSS | -1 | µA | VDS = -24V, VGS = 0V | 3 | ||
| Gate-source leakage current | IGSS | -100 | 100 | nA | VGS = ±12V, VDS = 0V | 3 | |
| Drain-source on-resistance | RDS(on) | 50 | 65 | mΩ | VGS = -10V, ID = -4.2A | 3 | |
| Drain-source on-resistance | RDS(on) | 60 | 75 | mΩ | VGS = -4.5V, ID = -4A | 3 | |
| Drain-source on-resistance | RDS(on) | 75 | 90 | mΩ | VGS = -2.5V, ID = -1A | 3 | |
| Forward transconductance | gFS | 7 | S | VDS = -5V, ID = -5A | 3 | ||
| Gate threshold voltage | VGS(th) | -0.7 | -0.9 | -1.3 | V | VDS = VGS, ID = -250µA | 3 |
| Diode forward voltage | VSD | -1 | V | IS = -1A, VGS = 0V | 3 | ||
| Drain-source voltage | VDS | -30 | V | 2 | |||
| Gate-source voltage | VGS | -12 | 12 | V | 2 | ||
| Continuous drain current | ID | -4.2 | A | 2 | |||
| Power dissipation | PD | 350 | mW | 2 | |||
| Thermal resistance, junction to ambient | RθJA | 357 | ℃/W | t<5s | 2 | ||
| Junction temperature | TJ | 150 | ℃ | 2 | |||
| Storage temperature | TSTG | -55 | 150 | ℃ | 2 |
CAD (KiCad official)
- Symbol:
AO3401MI-MS - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files:
ao3401mi-ms-etched.step/ao3401mi-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ao3401mi-ms.step/ao3401mi-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
862dd3c3016543f6, retrieved 2026-10-17, 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).