# AO6405

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

AO6405 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, internally common with pins 2, 5 and 6; VDS rated -30V. |
| 2 | D | passive | Drain, internally common with pins 1, 5 and 6; continuous drain current -5A at TA=25°C, pulsed -20A. |
| 3 | G | input | Gate; gate-source voltage limited to ±20V, with RDS(ON) below 52mΩ at VGS=-10V. |
| 4 | S | passive | Source of the P-channel MOSFET. |
| 5 | D | passive | Drain, internally common with pins 1, 2 and 6. |
| 6 | D | passive | Drain, internally common with pins 1, 2 and 5. |

## 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 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 (TJ=55°C) | IDSS |  |  | -5 | µA | VDS=-30V, VGS=0V, TJ=55°C | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 2 |
| Gate Threshold Voltage | VGS(th) | -1.4 | -1.9 | -2.4 | V | VDS=VGS, ID=-250µA | 2 |
| On State Drain Current | ID(ON) | -20 |  |  | A | VGS=-10V, VDS=-5V | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 34 | 52 | mΩ | VGS=-10V, ID=-5A | 2 |
| Static Drain-Source On-Resistance (TJ=125°C) | RDS(ON) |  | 52 | 70 | mΩ | VGS=-10V, ID=-5A, TJ=125°C | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 54 | 87 | mΩ | VGS=-4.5V, ID=-4A | 2 |
| Forward Transconductance | gFS | 10 |  |  | S | VDS=-5V, ID=-5A | 2 |
| Diode Forward Voltage | VSD |  | -0.7 | -1 | V | IS=-1A, VGS=0V | 2 |
| Maximum Body-Diode Continuous Current | IS |  |  | -2.5 | A |  | 2 |
| Input Capacitance | Ciss |  | 520 |  | pF | VGS=0V, VDS=-15V, f=1MHz | 2 |
| Output Capacitance | Coss |  | 100 |  | pF | VGS=0V, VDS=-15V, f=1MHz | 2 |
| Reverse Transfer Capacitance | Crss |  | 65 |  | pF | VGS=0V, VDS=-15V, f=1MHz | 2 |
| Gate Resistance | Rg | 3.5 | 7.5 | 11.5 | Ω | VGS=0V, VDS=0V, f=1MHz | 2 |
| Total Gate Charge (10V) | Qg(10V) |  | 9.2 | 11 | nC | VGS=-10V, VDS=-15V, ID=-5A | 2 |
| Total Gate Charge (4.5V) | Qg(4.5V) |  | 4.6 | 6 | nC |  | 2 |
| Gate Source Charge | Qgs |  | 1.6 |  | nC |  | 2 |
| Gate Drain Charge | Qgd |  | 2.2 |  | nC |  | 2 |
| Turn-On DelayTime | tD(on) |  | 7.5 |  | ns | VGS=-10V, VDS=-15V, RL=3Ω, RGEN=3Ω | 2 |
| Turn-On Rise Time | tr |  | 5.5 |  | ns | VGS=-10V, VDS=-15V, RL=3Ω, RGEN=3Ω | 2 |
| Turn-Off DelayTime | tD(off) |  | 19 |  | ns | VGS=-10V, VDS=-15V, RL=3Ω, RGEN=3Ω | 2 |
| Turn-Off Fall Time | tf |  | 7 |  | ns | VGS=-10V, VDS=-15V, RL=3Ω, RGEN=3Ω | 2 |
| Body Diode Reverse Recovery Time | trr |  | 11 |  | ns | IF=-5A, dI/dt=100A/µs | 2 |
| Body Diode Reverse Recovery Charge | Qrr |  | 5.3 |  | nC | IF=-5A, dI/dt=100A/µs | 2 |
| Drain-Source Voltage | VDS |  |  | -30 | V | TA=25°C unless otherwise noted | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID |  |  | -5 | A | TA=25°C | 1 |
| Continuous Drain Current | ID |  |  | -4.2 | A | TA=70°C | 1 |
| Pulsed Drain Current | IDM |  |  | -20 | A | Repetitive rating, pulse width limited by junction temperature TJ(MAX)=150°C | 1 |
| Power Dissipation | PD |  |  | 2 | W | TA=25°C | 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-Ambient (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 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | Copper |  | Lead Frame Copper | 10 |

## CAD (KiCad official)

- Symbol: `AO6405`
- Footprint: `Package_SO:TSOP-6_1.65x3.05mm_P0.95mm`
- 3D model: TSOP-6 (KiCad packages3D, STEP)
- 3D model files: `ao6405-etched.step` / `ao6405-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ao6405.step` / `ao6405.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/8586203346135236608) (11 pp, sha256 `b2ef11651e89861b`, retrieved 2026-10-18, 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/ao6405-datasheet.pdf)