# FH17P03D

**XIN FEI HONG** · MOSFETs · TO-252

FH17P03D from XIN FEI HONG, 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; drive with VGS up to ±20V, threshold -1 to -3V at ID=-250uA, with RDS(ON) specified at VGS=-10V and -4.5V. |
| 2 | D | passive | Drain, also connected to the mounting tab; VDS max -30V, continuous ID -70A at TC=25°C and pulsed IDM -240A. |
| 3 | S | passive | Source; the body diode from source to drain has VSD max -1.2V at IS=-30A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XIN FEI HONG |
| Package | TO-252 |
| Category | Triode/MOS Tube/Transistor |
| 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 Breakdown Voltage | BVDSS | -30 |  |  | V | VGS=0V, ID=-250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 7.8 | 9 | mΩ | VGS=-10V, ID=-40A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 12 | 15 | mΩ | VGS=-4.5V, ID=-30A | 2 |
| Gate Threshold Voltage | VGS(th) | -1 | -1.35 | -3 | V | VDS=VGS, ID=-250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | -10 | uA | VDS=-24V, VGS=0V | 2 |
| Gate-Source Leakage | IGSS |  |  | 100 | nA | VGS= +20V, VDS=0V | 2 |
| Total Gate Charge | Qg |  | 44 | 70 | nC | ID=-30A | 2 |
| Input Capacitance | Ciss |  | 3500 | 5600 | pF | VGS=0V | 2 |
| Forward On Voltage | VSD |  |  | -1.2 | V | IS=-30A, VGS=0V | 2 |
| Drain-Source Voltage | VDS | -30 |  |  | V |  | 1 |
| Gate-Source Voltage | VGS |  |  | 20 | V |  | 1 |
| Drain Current, VGS @ 10V | ID | -70 |  |  | A | TC=25℃ | 1 |
| Drain Current, VGS @ 10V | ID | -40 |  |  | A | TC=100℃ | 1 |
| Pulsed Drain Current | IDM | -240 |  |  | A |  | 1 |
| Total Power Dissipation | PD |  |  | 54.3 | W | TC=25℃ | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Maximum Thermal Resistance Junction-case | Rthj-c |  |  | 2.3 | ℃/W |  | 1 |
| Maximum Thermal Resistance Junction-ambient | Rthj-a |  |  | 62.5 | ℃/W |  | 1 |
| Maximum Thermal Resistance Junction-ambient (PCB mount) | Rthj-a |  |  | 110 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `FH17P03D`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `fh17p03d-etched.step` / `fh17p03d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fh17p03d.step` / `fh17p03d.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [XIN FEI HONG datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588946213043916800) (5 pp, sha256 `1fe673014edd9913`, retrieved 2026-10-19, 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/fh17p03d-datasheet.pdf)