# HSM9435

**HUASHUO** · MOSFETs · SOP-8

HSM9435 from HUASHUO, 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 of the P-channel MOSFET, tied with pins 2 and 3. |
| 2 | S | passive | Source of the P-channel MOSFET, tied with pins 1 and 3. |
| 3 | S | passive | Source of the P-channel MOSFET, tied with pins 1 and 2. |
| 4 | G | input | Gate of the P-channel MOSFET; VGS rated ±20 V. |
| 5 | D | passive | Drain of the P-channel MOSFET, tied with pins 6, 7 and 8; VDS rated -30 V. |
| 6 | D | passive | Drain of the P-channel MOSFET, tied with pins 5, 7 and 8; continuous ID -5.5 A at TA=25℃. |
| 7 | D | passive | Drain of the P-channel MOSFET, tied with pins 5, 6 and 8; pulsed IDM -20 A. |
| 8 | D | passive | Drain of the P-channel MOSFET, tied with pins 5, 6 and 7. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HUASHUO |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |

## 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 | -5.5 |  |  | A | TA=25℃, VGS @ -10V | 1 |
| Continuous Drain Current | ID | -4.3 |  |  | A | TA=70℃, VGS @ -10V | 1 |
| Pulsed Drain Current | IDM | -20 |  |  | A |  | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 11.3 | mJ | Note 3: VDD=-25V, VGS=-10V, L=0.1mH, IAS=-15A | 1 |
| Avalanche Current | IAS |  |  | 15 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 1.5 | W | TA=25℃, Note 4: limited by 150℃ junction temperature | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-Ambient | RθJA |  |  | 55 | ℃/W | Note 1: surface mounted on 1 inch FR-4 board with 2OZ copper | 1 |
| Drain-Source Breakdown Voltage | BVDSS | -30 |  |  | V | VGS=0V, ID=-250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 46 | 62 | mΩ | VGS=-10V, ID=-4A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 65 | 90 | mΩ | VGS=-4.5V, ID=-2A | 2 |
| Gate Threshold Voltage | VGS(th) | -1 | -1.5 | -2.5 | V | VGS=VDS, ID=-250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | -1 | uA | VDS=-24V, VGS=0V, TJ=25℃ | 2 |
| Drain-Source Leakage Current | IDSS |  |  | -5 | uA | VDS=-24V, VGS=0V, TJ=55℃ | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| Continuous Source Current | IS |  |  | -5.5 | A | VG=VD=0V, Force Current | 2 |
| Pulsed Source Current | ISM |  |  | -20 | A |  | 2 |
| Diode Forward Voltage | VSD |  |  | -1 | V | VGS=0V, IS=-1A, TJ=25℃ | 2 |

## CAD (KiCad official)

- Symbol: `HSM9435`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `hsm9435-etched.step` / `hsm9435-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hsm9435.step` / `hsm9435.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HUASHUO datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757800809159499776) (6 pp, sha256 `92f7438be23f973d`, 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/hsm9435-datasheet.pdf)