# HSM9926

**HUASHUO** · MOSFETs · SOP-8

HSM9926 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 | S1 | passive | Source of MOSFET 1; drain-source voltage rated 20 V. |
| 2 | G1 | input | Gate of MOSFET 1; gate-source voltage limited to ±12 V, threshold 0.6 to 1.5 V. |
| 3 | S2 | passive | Source of MOSFET 2; drain-source voltage rated 20 V. |
| 4 | G2 | input | Gate of MOSFET 2; gate-source voltage limited to ±12 V, threshold 0.6 to 1.5 V. |
| 5 | D2 | passive | Drain of MOSFET 2; continuous current 6 A at TA=25℃, pulsed 24 A, RDS(ON) max 28 mΩ at VGS=4.5V. |
| 6 | D2 | passive | Drain of MOSFET 2, internally common with pin 5; continuous current 6 A at TA=25℃, pulsed 24 A. |
| 7 | D1 | passive | Drain of MOSFET 1; continuous current 6 A at TA=25℃, pulsed 24 A, RDS(ON) max 28 mΩ at VGS=4.5V. |
| 8 | D1 | passive | Drain of MOSFET 1, internally common with pin 7; continuous current 6 A at TA=25℃, pulsed 24 A. |

## 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 |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS |  |  | 12 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 6 | A | TA=25℃, VGS @ 10V | 1 |
| Continuous Drain Current | ID |  |  | 4 | A | TA=70℃, VGS @ 10V | 1 |
| Pulsed Drain Current | IDM |  |  | 24 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 1.3 | W | TA=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 62.5 | ℃/W | Surface mounted on 1 inch² FR-4 board with 2OZ copper (note 1) | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 20 |  |  | V | VGS=0V, ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 22 | 28 | mΩ | VGS=4.5V, ID=6A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 34 | 44 | mΩ | VGS=2.5V, ID=5.2A | 2 |
| Gate Threshold Voltage | VGS(th) | 0.6 | 0.9 | 1.5 | V | VGS=VDS, ID=250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=20V, VGS=0V, TJ=25℃ | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 5 | uA | VDS=20V, VGS=0V, TJ=55℃ | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±12V, VDS=0V | 2 |

## CAD (KiCad official)

- Symbol: `HSM9926`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `hsm9926-etched.step` / `hsm9926-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hsm9926.step` / `hsm9926.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/8757799742828875776) (6 pp, sha256 `cd3a8b305e160f9e`, 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/hsm9926-datasheet.pdf)