# STD17NF03LT4

**STMicroelectronics** · MOSFETs · DPAK

STD17NF03LT4 from STMicroelectronics, in a DPAK. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Gate | input | Gate control input terminal; maximum voltage rating ±16 V with gate threshold voltage of 1 to 2.2 V (VDS = VGS, ID = 250µA). |
| 2 | Drain | passive | Drain terminal; maximum drain-source voltage 30 V (VGS = 0) with continuous current rating of 17 A at 25°C case temperature and 12 A at 100°C case temperature. |
| 3 | Source | passive | Source terminal with integrated body diode rated for continuous source-drain current of 22 A and forward voltage drop of 1.5 V (ISD = 17A, VGS = 0). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | DPAK |
| 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 (VGS = 0) | VDS |  |  | 30 | V | VGS = 0 | 3 |
| Drain-gate voltage | VDGR |  |  | 30 | V | RGS = 20 kΩ | 3 |
| Gate-source voltage | VGS | -16 |  | 16 | V |  | 3 |
| Drain current (continuous) at TC = 25°C | ID |  |  | 17 | A | TC = 25°C | 3 |
| Drain current (continuous) at TC = 100°C | ID |  |  | 12 | A | TC = 100°C | 3 |
| Drain current (pulsed) | IDM |  |  | 68 | A | Pulse width limited by safe operating area | 3 |
| Total dissipation at TC = 25°C | Ptot |  |  | 30 | W | TC = 25°C | 3 |
| Derating factor |  |  |  | 0.2 | W/°C |  | 3 |
| Peak diode recovery avalanche energy | dv/dt |  |  | 7 | V/ns | ISD ≤17A, di/dt ≤300A/µs, VDD =V(BR)DSS, Tj ≤ TJMAX | 3 |
| Single pulse avalanche energy | EAS |  |  | 200 | mJ | Starting Tj = 25 °C, ID = 8.5A, VDD = 15V | 3 |
| Storage temperature | Tstg | -55 |  | 175 | °C |  | 3 |
| Thermal resistance junction-case max | Rthj-case |  |  | 5 | °C/W |  | 3 |
| Thermal resistance junction-to ambient max | Rthj-amb |  |  | 100 | °C/W |  | 3 |
| Maximum lead temperature for soldering purpose | TJ |  |  | 275 | °C |  | 3 |
| Drain-source breakdown voltage | V(BR)DSS | 30 |  |  | V | ID = 250µA, VGS = 0 | 4 |
| Zero gate voltage drain current (VGS = 0) | IDSS |  |  | 1 | µA | VDS = Max rating | 4 |
| Zero gate voltage drain current (VGS = 0) | IDSS |  |  | 10 | µA | VDS = Max rating, TC = 125°C | 4 |
| Gate-body leakage current | IGSS | -100 |  | 100 | nA | VDS = 0, VGS = ± 16V | 4 |
| Gate threshold voltage | VGS(th) | 1 | 1.5 | 2.2 | V | VDS = VGS, ID = 250µA | 4 |
| Static drain-source on resistance | RDS(on) |  | 0.038 | 0.05 | Ω | VGS = 10V, ID = 8.5A | 4 |
| Static drain-source on resistance | RDS(on) |  | 0.045 | 0.06 | Ω | VGS = 5V, ID = 8.5A | 4 |
| Total gate charge | Qg |  | 4.8 | 6.5 | nC | VDD = 3024V, ID = 17A, VGS = 5V, RG = 4.7Ω (see Figure 14) | 4 |
| Source-drain current | ISD |  |  | 22 | A |  | 5 |
| Source-drain current (pulsed) | ISDM |  |  | 88 | A |  | 5 |
| Forward on voltage | VSD |  |  | 1.5 | V | ISD = 17A, VGS = 0 | 5 |

## CAD (KiCad official)

- Symbol: `STD17NF03LT4`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: DPAK (KiCad packages3D, STEP)
- 3D model files: `std17nf03lt4-etched.step` / `std17nf03lt4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `std17nf03lt4.step` / `std17nf03lt4.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885409354944512) (14 pp, sha256 `6dc44ff5ca24c198`, retrieved 2026-09-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/std17nf03lt4-datasheet.pdf)