AO3401

@@ -0,0 +1,38 @@+# AO3401++**Guangdong Hottech** · MOSFETs · SOT-23++AO3401 from Guangdong Hottech, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | G | input | Gate. High-impedance MOSFET control terminal. VGS(th) between -0.7 V and -1.3 V; absolute maximum VGS = ±12 V. Drives channel conduction between Drain and Source. |+| 2 | S | passive | Source. P-channel MOSFET source terminal, typically tied to the positive supply in high-side switching. Body diode anode is internally connected here (VSD ≈ -1 V at IS = -1 A). |+| 3 | D | passive | Drain. P-channel MOSFET drain terminal, typically tied to the load. VDS rated to -30 V; continuous ID = -4.2 A. Body diode cathode is internally connected here. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Guangdong Hottech |+| Package | SOT-23 |+| Category | Transistors/Thyristors |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `AO3401`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Guangdong Hottech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884110555426816) (4 pp, sha256 `cd52f037371b3f5a`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ao3401-datasheet.pdf)

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