# TPSI3440DV-T1-GE3

**TECH PUBLIC** · MOSFETs · SOT-23-6

TPSI3440DV-T1-GE3 from TECH PUBLIC, in a SOT-23-6. 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 of the 150V N-channel MOSFET, tied internally with pins 2, 5 and 6; VDS max 150 V. |
| 2 | D | passive | Drain of the 150V N-channel MOSFET, tied internally with pins 1, 5 and 6; continuous drain current 1.5 A at TA=25°C. |
| 3 | G | input | Gate of the MOSFET; VGS max ±20 V with VGS(th) 1.5 V min to 3.5 V max. |
| 4 | S | passive | Source of the MOSFET; continuous body diode forward current 1.3 A at TA=25°C. |
| 5 | D | passive | Drain of the 150V N-channel MOSFET, tied internally with pins 1, 2 and 6; pulsed drain current 6 A. |
| 6 | D | passive | Drain of the 150V N-channel MOSFET, tied internally with pins 1, 2 and 5; RDS(ON) 240 mΩ typ., 320 mΩ max at VGS=10V, ID=1.5A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-23-6 |
| Category | Transistors/Thyristors |
| Pins | 6 |

## CAD (KiCad official)

- Symbol: `TPSI3440DV-T1-GE3`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `tpsi3440dv-t1-ge3-etched.step` / `tpsi3440dv-t1-ge3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpsi3440dv-t1-ge3.step` / `tpsi3440dv-t1-ge3.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603163871364325376) (6 pp, sha256 `7450b4ed89174581`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/tpsi3440dv-t1-ge3-datasheet.pdf)