# AO6403

**Alpha & Omega Semicon** · MOSFETs · TSOP-6

AO6403 from Alpha & Omega Semicon, in a TSOP-6. 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 | D | passive | Drain terminal of the -30V P-channel MOSFET, with Pin 1 marked on the top view. |
| 2 | D | passive | Drain terminal of the -30V P-channel MOSFET, rated for VDS = -30V. |
| 3 | G | input | Gate terminal of the MOSFET; the gate-source voltage is rated at ±20V. |
| 4 | S | passive | Source terminal of the MOSFET. |
| 5 | D | passive | Drain terminal of the -30V P-channel MOSFET, rated for VDS = -30V. |
| 6 | D | passive | Drain terminal of the -30V P-channel MOSFET, rated for VDS = -30V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Alpha & Omega Semicon |
| Package | TSOP-6 |
| Category | Transistors/Thyristors |
| Pins | 6 |

## 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 | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID | -6 |  |  | A | TA=25°C | 1 |
| Continuous Drain Current | ID | -5 |  |  | A | TA=70°C | 1 |
| Pulsed Drain Current | IDM | -30 |  |  | A |  | 1 |
| Power Dissipation | PD |  |  | 1.3 | W | TA=70°C | 1 |
| Junction and Storage Temperature Range | TJ, TSTG | -55 |  | 150 | °C |  | 1 |
| Maximum Junction-to-Ambian t≤10s | RθJA |  | 47.5 | 62.5 | °C/W | t ≤ 10s | 1 |
| Maximum Junction-to-Ambient (Steady-State) | RθJA |  | 74 | 110 | °C/W | Steady-State | 1 |
| Maximum Junction-to-Lead (Steady-State) | RθJL |  | 37 | 50 | °C/W | Steady-State | 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 | TJ=55°C | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 2 |
| Gate Threshold Voltage | VGS(th) | -1.3 | -1.85 | -2.4 | V | VDS=VGS, ID=-250µA | 2 |
| On State Drain Current | ID(ON) | -30 |  |  | A | VGS=-10V, VDS=-5V | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 22 | 35 | mΩ | VGS=-10V, ID=-6A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 32 | 39 | mΩ | TJ=125°C | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 34 | 58 | mΩ | VGS=-4.5V, ID=-5A | 2 |
| Diode Forward Voltage | VSD |  | -0.8 | -1 | V | IS=-1A, VGS=0V | 2 |
| Maximum Body-Diode Continuous Current | IS |  |  | -2.5 | A |  | 2 |
| Gate Resistance | Rg | 1.5 | 3.2 | 5 | Ω | VGS=0V, VDS=0V, f=1MHz | 2 |
| Total Gate Charge (10V) | Qg (10V) |  | 13.6 | 16 | nC | VGS=-10V, VDS=-15V, ID=-6A | 2 |
| Total Gate Charge (4.5V) | Qg (4.5V) |  | 6.7 | 8 | nC | VGS=-4.5V | 2 |

## CAD (KiCad official)

- Symbol: `AO6403`
- Footprint: `Package_SO:TSOP-6_1.65x3.05mm_P0.95mm`
- 3D model: TSOP-6 (KiCad packages3D, STEP)
- 3D model files: `ao6403-etched.step` / `ao6403-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ao6403.step` / `ao6403.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Alpha & Omega Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590264703168507904) (5 pp, sha256 `fe5618c39334aa47`, retrieved 2026-10-17, 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/ao6403-datasheet.pdf)