# ASDM3401ZA-R

**ASDsemi** · MOSFETs · SOT-23

ASDM3401ZA-R from ASDsemi, 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 | G | input | Gate; controls the P-channel MOSFET, with VGS rated ±12 V and threshold of -0.5 to -1.5 V at ID=-250µA. |
| 2 | S | passive | Source; P-channel MOSFET source terminal, with body diode forward voltage VSD of -1 V max at IS=-1A. |
| 3 | D | passive | Drain; P-channel MOSFET drain terminal rated for VDS of -30 V and continuous ID of -4.2 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ASDsemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Drain-Source Voltage | VDS |  |  | -30 | V |  | 1 |
| Continuous Drain Current | ID |  |  | -4.2 | A |  | 1 |
| Power Dissipation | PD |  |  | 350 | mW |  | 1 |
| Junction Temperature | TJ |  |  | 150 | ℃ |  | 1 |
| Storage Temperature | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance from Junction to Ambient | RθJA |  |  | 357 | ℃/W | t<5s | 1 |
| Drain-source breakdown voltage | V(BR)DSS | -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 =±12V, VDS = 0V | 2 |
| Gate threshold voltage | VGS(th) | -0.5 |  | -1.5 | V | VDS =VGS, ID =-250µA | 2 |
| Drain-source on-resistance | RDS(on) |  |  | 65 | mΩ | VGS =-10V, ID =-4A | 2 |
| Drain-source on-resistance | RDS(on) |  |  | 75 | mΩ | VGS =-4.5V, ID=-3A | 2 |
| Drain-source on-resistance | RDS(on) |  |  | 100 | mΩ | VGS =-2.5V,ID=-1A | 2 |
| Forward transconductance | gFS |  | 7 |  | S | VDS =-5V, ID =-5A | 2 |
| Input capacitance | Ciss |  | 954 |  | pF |  | 2 |
| Output capacitance | Coss |  | 115 |  | pF |  | 2 |
| Reverse transfer capacitance | Crss |  | 77 |  | pF |  | 2 |
| Turn-on delay time | td(on) |  | 6.3 |  | ns |  | 2 |
| Turn-on rise time | tr |  | 3.2 |  | ns |  | 2 |
| Turn-off delay time | td(off) |  | 38.2 |  | ns |  | 2 |
| Turn-off fall time | tf |  | 12 |  | ns |  | 2 |
| Diode forward voltage | VSD |  | -1 |  | V | IS=-1A,VGS=0V | 2 |

## CAD (KiCad official)

- Symbol: `ASDM3401ZA-R`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `asdm3401za-r-etched.step` / `asdm3401za-r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `asdm3401za-r.step` / `asdm3401za-r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ASDsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904097097928704) (6 pp, sha256 `d49f7bd6af55d9c0`, 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/asdm3401za-r-datasheet.pdf)