# LPM3401B3F

**LOWPOWER** · MOSFETs · SOT-23

LPM3401B3F from LOWPOWER, 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 | Gate | input | Gate pin of the P-channel MOSFET; the datasheet limits the gate-source voltage VGS to ±12 V. |
| 2 | Source | passive | Source pin of the P-channel MOSFET; the drain-source voltage VDS is rated at -15 V. |
| 3 | Drain | passive | Drain pin of the P-channel MOSFET; continuous drain current is rated at -4 A at TA=25°C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LOWPOWER |
| 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 |  |  | -15 | V |  | 2 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 2 |
| Continuous Drain Current | ID |  |  | -4 | A | TA=25°C | 2 |
| Pulsed Drain Current | IDM |  |  | -15 | A |  | 2 |
| Power Dissipation | PD |  |  | 1.4 | W | TA=25°C | 2 |
| Junction and Storage Temperature Range | TJ, TSTG | -55 |  | 150 | °C |  | 2 |
| Maximum Junction-to-Ambient Thermal Resistance | RθJA |  | 100 | 125 | °C/W |  | 2 |
| Drain-Source Breakdown Voltage | BVDSS | -15 |  |  | V | ID=-250μA, VGS=0V | 3 |
| Zero Gate Voltage Drain Current | IDSS |  |  | -1 | uA | VDS=-12V, VGS=0V | 3 |
| Zero Gate Voltage Drain Current | IDSS |  |  | -10 | uA | VDS=-12V, VGS=0V, TJ=55°C | 3 |
| Gate-Body leakage current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±12V | 3 |
| Gate Threshold Voltage | VGS(th) | -1.2 |  | -0.6 | V | VDS=VGS, ID=-250μA | 3 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 55 | 58 | mΩ | VGS=-10V, ID=-4A | 3 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 64 | 68 | mΩ | VGS=-4.5V, ID=-3A | 3 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 85 | 95 | mΩ | VGS=-2.5V, ID=-2A | 3 |
| Diode Forward Voltage | VSD |  | -0.7 | -1 | V | IS=-1A,VGS=0V | 3 |
| Turn-On Delay Time | tD(on) |  | 12 | 18 | nS | VGS=-10V, VDS=-15V, RL=3.6Ω, RGEN=6Ω | 3 |
| Turn-On Rise Time | tr |  | 3 | 7 | nS | VGS=-10V, VDS=-15V, RL=3.6Ω, RGEN=6Ω | 3 |
| Turn-Off Delay Time | tD(off) |  | 34 | 42 | nS | VGS=-10V, VDS=-15V, RL=3.6Ω, RGEN=6Ω | 3 |
| Turn-Off Fall Time | tf |  | 3 | 7 | nS | VGS=-10V, VDS=-15V, RL=3.6Ω, RGEN=6Ω | 3 |

## CAD (KiCad official)

- Symbol: `LPM3401B3F`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `lpm3401b3f-etched.step` / `lpm3401b3f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lpm3401b3f.step` / `lpm3401b3f.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [LOWPOWER datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884501565493248) (4 pp, sha256 `bdf8ee4ef68154f8`, retrieved 2026-10-19, 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/lpm3401b3f-datasheet.pdf)