# SI4435DDY-T1-GE3-HXY

**HXY MOSFET** · MOSFETs · SOP-8

SI4435DDY-T1-GE3-HXY from HXY MOSFET, in a SOP-8. 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 | S | passive | Source terminal of the P-channel MOSFET, with VDS rated -30 V and continuous drain current of -9 A at TA=25℃. |
| 2 | S | passive | Source terminal of the P-channel MOSFET, with VDS rated -30 V and continuous drain current of -9 A at TA=25℃. |
| 3 | S | passive | Source terminal of the P-channel MOSFET, with VDS rated -30 V and continuous drain current of -9 A at TA=25℃. |
| 4 | G | input | Gate terminal with maximum gate-source voltage of ±20 V and gate threshold voltage of -1 V to -3 V at ID=-250uA. |
| 5 | D | passive | Drain terminal with drain-source voltage rating of -30 V, continuous drain current of -9 A and pulsed drain current of -50 A. |
| 6 | D | passive | Drain terminal with drain-source voltage rating of -30 V, continuous drain current of -9 A and pulsed drain current of -50 A. |
| 7 | D | passive | Drain terminal with drain-source voltage rating of -30 V, continuous drain current of -9 A and pulsed drain current of -50 A. |
| 8 | D | passive | Drain terminal with drain-source voltage rating of -30 V, continuous drain current of -9 A and pulsed drain current of -50 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | SOP-8 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `SI4435DDY-T1-GE3-HXY`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `si4435ddy-t1-ge3-hxy-etched.step` / `si4435ddy-t1-ge3-hxy-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `si4435ddy-t1-ge3-hxy.step` / `si4435ddy-t1-ge3-hxy.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HXY MOSFET datasheet](docs/si4435ddy-t1-ge3-hxy-datasheet.pdf) (6 pp, sha256 `61c23af86f5c901c`, retrieved 2026-11-02, 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/si4435ddy-t1-ge3-hxy-datasheet.pdf)