# ME2345A

**MATSUKI** · MOSFETs · SOT-23

ME2345A from MATSUKI, 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; gate-source voltage is rated ±12 V, with threshold VGS(th) of -0.6 to -1.3 V at ID=-250μA. |
| 2 | S | passive | Source of the P-channel MOSFET; continuous drain current is -3.6 A at TA=25℃. |
| 3 | D | passive | Drain; drain-source voltage is rated -30 V and pulsed drain current -14 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MATSUKI |
| 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 |  | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID | -3.6 |  |  | A | TA=25℃ | 1 |
| Continuous Drain Current | ID | -2.9 |  |  | A | TA=70℃ | 1 |
| Pulsed Drain Current | IDM | -14 |  |  | A |  | 1 |
| Maximum Power Dissipation | PD |  |  | 1.4 | W | TA=25℃ | 1 |
| Maximum Power Dissipation | PD |  |  | 1 | W | TA=70℃ | 1 |
| Operating Junction Temperature | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance-Junction to Ambient | RθJA |  |  | 90 | ℃/W | Device mounted on 1 in2 FR4 board with 2 oz copper | 1 |
| Drain-Source Breakdown Voltage | V(BR)DSS | -30 |  |  | V | VGS=0V, ID=-250μA | 2 |
| Gate Threshold Voltage | VGS(th) | -0.6 |  | -1.3 | V | VDS=VGS, ID=-250μA | 2 |
| Gate Leakage Current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±12V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | -1 | μA | VDS=-24V, VGS=0V | 2 |
| Drain-Source On-Resistance | RDS(ON) |  | 57 | 68 | mΩ | VGS=-10V, ID=-4.2A | 2 |
| Drain-Source On-Resistance | RDS(ON) |  | 62 | 80 | mΩ | VGS=-4.5V, ID=-4A | 2 |
| Drain-Source On-Resistance | RDS(ON) |  | 80 | 100 | mΩ | VGS=-2.5V, ID=-2A | 2 |
| Diode Forward Voltage | VSD |  | -0.7 | -1 | V | IS=-1A, VGS=0V | 2 |

## CAD (KiCad official)

- Symbol: `ME2345A`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `me2345a-etched.step` / `me2345a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `me2345a.step` / `me2345a.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MATSUKI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586187351541862400) (5 pp, sha256 `77e4f3be197a4d07`, 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/me2345a-datasheet.pdf)