# JMTL3401A

**Jiangsu JieJie Microelectronics** · MOSFETs · SOT-23

JMTL3401A from Jiangsu JieJie Microelectronics, 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 limited to ±12 V absolute maximum, with threshold VGS(th) of -0.7 to -1.3 V at ID=-250μA. |
| 2 | S | passive | Source of the P-channel MOSFET; continuous drain current is -4.2 A at TC=25℃ and body diode forward current IS is -4.2 A max. |
| 3 | D | passive | Drain, the single lead on one side of the package; drain-source voltage is rated -30 V and pulsed drain current -17 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu JieJie Microelectronics |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `JMTL3401A`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `jmtl3401a-etched.step` / `jmtl3401a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jmtl3401a.step` / `jmtl3401a.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Jiangsu JieJie Microelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884577909268480) (4 pp, sha256 `8014e483768bafd6`, retrieved 2026-10-09, 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/jmtl3401a-datasheet.pdf)