# AO3400-SOT23-3L

**PUOLOP** · MOSFETs · SOT-23-3L

AO3400-SOT23-3L from PUOLOP, 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; gate-source voltage limited to ±12 V, with threshold VGS(th) of 0.7 to 1.4 V at ID = 250 uA. |
| 2 | S | passive | Source; continuous drain current is 5.8 A and the maximum diode forward current IS is 1.6 A. |
| 3 | D | passive | Drain; drain-source voltage is limited to 30 V, with pulsed drain current up to 30 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PUOLOP |
| Package | SOT-23-3L |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `AO3400-SOT23-3L`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `ao3400-sot23-3l-etched.step` / `ao3400-sot23-3l-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ao3400-sot23-3l.step` / `ao3400-sot23-3l.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PUOLOP datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884222840868864) (3 pp, sha256 `d5503105f17b11cc`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).

[Datasheet PDF](docs/ao3400-sot23-3l-datasheet.pdf)