# HKTD90N03

**Guangdong Hottech** · MOSFETs · TO-252

HKTD90N03 from Guangdong Hottech, in a TO-252. 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 ±20V, with threshold VGS(th) of 1V min to 2.5V max at VDS=20V, ID=250µA. |
| 2 | D | passive | Drain (center lead, also connected to the metal tab); VDS max 30V, continuous drain current 90A. |
| 3 | S | passive | Source; RDS(ON) 5 mΩ max at VGS=10V, ID=20A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Guangdong Hottech |
| Package | TO-252 |
| 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 | -20 |  | 20 | V |  | 1 |
| Continuous drain current | ID |  |  | 90 | A |  | 1 |
| Power dissipation | PD |  |  | 90 | W |  | 1 |
| Junction and storage temperature | TJ,TSTG | -55 |  | 150 | °C |  | 1 |
| Drain-source breakdown voltage | V(BR)DSS | 30 |  |  | V | VGS=0V, ID=250uA | 1 |
| Zero gate voltage drain current | IDSS |  |  | 1 | µA | VDS=30V, VGS=0V | 1 |
| Gate-body leakage current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 1 |
| Drain-source on-resistance (note 1) | RDS(ON) |  |  | 5 | mΩ | VGS=10V, ID=20A | 1 |
| Drain-source on-resistance (note 1) | RDS(ON) |  |  | 7 | mΩ | VGS=4.5V, ID=10A | 1 |
| Thermal resistance from junction to ambient | RθJA |  |  | 18 | °C/W |  | 1 |
| Input capacitance | Ciss |  | 2000 |  |  |  | 1 |
| Output capacitance | Coss |  | 320 |  |  | VDS=15V, VGS=0V, f=1MHz | 1 |
| Reverse transfer capacitance | Crss |  | 240 |  |  | VDS=15V, VGS=0V, f=1MHz | 1 |
| Turn-on delay time | td(on) |  | 13 |  | nS | VDD=15V, VGS=10V, ID=30A, Rg=3Ω | 1 |
| Turn-on rise time | tr |  | 36 |  | nS | VDD=15V, VGS=10V, ID=30A, Rg=3Ω | 1 |
| Turn-off delay time | td(off) |  | 42 |  | nS | VDD=15V, VGS=10V, ID=30A, Rg=3Ω | 1 |
| Turn-off fall time | tf |  | 16 |  | nS | VDD=15V, VGS=10V, ID=30A, Rg=3Ω | 1 |

## CAD (KiCad official)

- Symbol: `HKTD90N03`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `hktd90n03-etched.step` / `hktd90n03-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hktd90n03.step` / `hktd90n03.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Guangdong Hottech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590458839192936448) (5 pp, sha256 `463e273a1a33d61a`, 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/hktd90n03-datasheet.pdf)