# AO3407

**Guangdong Hottech** · MOSFETs · SOT-23

AO3407 from Guangdong Hottech, 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; the absolute maximum gate-source voltage is ±20 V (VGS). |
| 2 | Source | passive | Source terminal of the P-channel MOSFET; the absolute maximum drain-source voltage is -30 V (VDS). |
| 3 | Drain | passive | Drain terminal of the P-channel MOSFET; the absolute maximum continuous drain current is -4.1 A (ID). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Guangdong Hottech |
| 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°C | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V | TA=25°C | 1 |
| Continuous Drain Current | ID |  |  | -4.1 | A | TA=25°C | 1 |
| Power Dissipation | PD |  |  | 350 | mW | TA=25°C | 1 |
| Junction Temperature | TJ |  |  | 150 | ℃ | TA=25°C | 1 |
| Storage Temperature | Tstg | -55 |  | 150 | ℃ | TA=25°C | 1 |
| Thermal Resistance from Junction to Ambient | RθJA |  |  | 357 | ℃/W | TA=25°C | 1 |
| Drain-source breakdown voltage | BVDSS | -30 |  |  | V | VGS = 0V, ID =-250µA | 2 |
| Zero gate voltage drain current | IDSS |  |  | -1 | µA | VDS =-24V, VGS = 0V | 2 |
| Gate-source leakage current | IGSS | -100 |  | 100 | nA | VGS =±20V, VDS = 0V | 2 |
| Drain-source on-resistance (note 1) | RDS(on) |  |  | 60 | mΩ | VGS =-10V, ID =-4.1A | 2 |
| Drain-source on-resistance (note 1) | RDS(on) |  |  | 87 | mΩ | VGS =-4.5V, ID =-3A | 2 |
| Gate threshold voltage | VGS(th) | -1 |  | -3 | V | VDS =VGS, ID =-250µA | 2 |
| Diode forward voltage (note 1) | VSD |  |  | -1 | V | IS=-1A, VGS=0V | 2 |

## CAD (KiCad official)

- Symbol: `AO3407`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `ao3407-etched.step` / `ao3407-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ao3407.step` / `ao3407.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Guangdong Hottech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586187899393462272) (4 pp, sha256 `51dea2e1b5f9fd78`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).

[Datasheet PDF](docs/ao3407-datasheet.pdf)