# 2SK1591-TP

**TECH PUBLIC** · MOSFETs · SOT-23

2SK1591-TP from TECH PUBLIC, 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-to-source voltage limited to ±20 V (VGSS), threshold 1 V min to 2.8 V max at VDS = VGS, ID = 250 µA. |
| 2 | S | passive | Source; continuous drain current 170 mA (pulsed 680 mA) flows out of this pin in the N-channel MOSFET. |
| 3 | D | passive | Drain; drain-to-source voltage rated 100 V (VDSS) with continuous drain current of 170 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `2SK1591-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `2sk1591-tp-etched.step` / `2sk1591-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sk1591-tp.step` / `2sk1591-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/2sk1591-tp-datasheet.pdf) (4 pp, sha256 `7ffee95b23091d5c`, retrieved 2026-10-17, 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/2sk1591-tp-datasheet.pdf)