# FH1604D

**XIN FEI HONG** · MOSFETs · TO-252

FH1604D 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; gate-source voltage limited to ±20 V (VGSS), threshold 1.0 to 2.0 V at ID=250uA. |
| 2 | D | passive | Drain, also connected to the exposed tab; VDSS 40 V, continuous ID 80 A at TC=25°C, pulsed 320 A. |
| 3 | S | passive | Source; continuous body-diode source current 80 A, pulsed 320 A. |

## 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 Voltage | VDSS |  |  | 40 | V | TC = 25°C | 1 |
| Continuous drain current | ID |  |  | 80 | A | TC = 25°C | 1 |
| Continuous drain current | ID |  |  | 52 | A | TC = 100°C | 1 |
| Pulsed drain current | IDM |  |  | 320 | A | TC = 25°C | 1 |
| Gate-Source voltage | VGSS | -20 |  | 20 | V | TC = 25°C | 1 |
| Avalanche energy | EAS |  |  | 144 | mJ | TC = 25°C | 1 |
| Power Dissipation | PD |  |  | 83 | W | TC = 25°C | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | °C |  | 1 |
| Drain-source breakdown voltage | BVDSS | 40 |  |  | V | VGS=0 V, ID=250uA | 2 |
| Gate threshold voltage | VGS(th) | 1 |  | 2 | V | VDS=VGS, ID=250uA | 2 |
| Drain-source leakage current | IDSS |  |  | 1 | μA | VDS=40 V, VGS=0 V, TJ = 25°C | 2 |
| Drain-source leakage current | IDSS |  |  | 10 | μA | VDS=32 V, VGS=0 V, TJ = 125°C | 2 |
| Gate leakage current, Forward | IGSSF |  |  | 100 | nA | VGS=20 V, VDS=0 V | 2 |
| Gate leakage current, Reverse | IGSSR |  |  | -100 | nA | VGS=-20 V, VDS=0 V | 2 |
| Drain-source on-state resistance | RDS(on) |  | 5.6 | 7.5 | mΩ | VGS=10 V, ID=30 A | 2 |
| Drain-source on-state resistance | RDS(on) |  | 7.1 | 9.5 | mΩ | VGS=4.5 V, ID=20 A | 2 |
| Continuous Source Current | IS |  |  | 80 | A |  | 2 |
| Pulsed Source Current | ISM |  |  | 320 | A |  | 2 |
| Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS=0V, IS=20A, TJ=25℃ | 2 |
| Thermal Resistance, Junction-to-Case | RθJC |  | 1.5 |  | °C/W |  | 1 |
| Thermal Resistance, Junction-to-Ambient | RθJA |  | 76 |  | °C/W |  | 1 |

## CAD (KiCad official)

- Symbol: `FH1604D`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `fh1604d-etched.step` / `fh1604d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fh1604d.step` / `fh1604d.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/8588946212988309504) (6 pp, sha256 `739f0d33dce3825f`, 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/fh1604d-datasheet.pdf)