# HSM4963

**HUASHUO** · MOSFETs · SOP-8

HSM4963 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 P-channel MOSFET 1; drain-source voltage rated -20 V. |
| 2 | G1 | input | Gate of P-channel MOSFET 1; gate-source voltage limited to ±12 V. |
| 3 | S2 | passive | Source of P-channel MOSFET 2; drain-source voltage rated -20 V. |
| 4 | G2 | input | Gate of P-channel MOSFET 2; gate-source voltage limited to ±12 V. |
| 5 | D2 | passive | Drain of P-channel MOSFET 2; continuous drain current -6 A at TA=25℃, pulsed -24 A. |
| 6 | D2 | passive | Drain of P-channel MOSFET 2, internally common with pin 5; continuous drain current -6 A at TA=25℃. |
| 7 | D1 | passive | Drain of P-channel MOSFET 1; continuous drain current -6 A at TA=25℃, pulsed -24 A. |
| 8 | D1 | passive | Drain of P-channel MOSFET 1, internally common with pin 7; continuous drain current -6 A at TA=25℃. |

## 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 Breakdown Voltage | BVDSS | -20 |  |  | V | VGS=0V , ID=-250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 40 | 55 | mΩ | VGS=-4.5V , ID=-6A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 50 | 65 | mΩ | VGS=-2.5V , ID=-5A | 2 |
| Gate Threshold Voltage | VGS(th) | -0.5 | -0.85 | -1.2 | 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 |
| Diode Forward Voltage | VSD |  |  | -1.2 | V | VGS=0V , IS=-1A , TJ=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | -20 | V |  | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID |  |  | -6 | A | TA=25℃, -VGS @ -10V | 1 |
| Continuous Drain Current | ID |  |  | -5 | A | TA=70℃, -VGS @ -10V | 1 |
| Pulsed Drain Current | IDM |  |  | -24 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 2 | W | TA=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-Ambient | RθJA |  |  | 110 | ℃/W |  | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 50 | ℃/W |  | 1 |
| VGS(th) Temperature Coefficient | △VGS(th) |  | 4.6 |  | mV/℃ |  | 2 |
| Forward Transconductance | gfs |  | 5 |  | S | VDS=-5V , ID=-4A | 2 |
| Total Gate Charge (-4.5V) | Qg |  | 8 |  | nC | VDS=-10V , VGS=-4.5V , ID=-4A | 2 |
| Gate-Source Charge | Qgs |  | 2 |  | nC | VDS=-10V , VGS=-4.5V , ID=-4A | 2 |
| Gate-Drain Charge | Qgd |  | 3 |  | nC | VDS=-10V , VGS=-4.5V , ID=-4A | 2 |
| Turn-On Delay Time | Td(on) |  | 12 |  | ns | VDD=-10V , VGS=-4.5V , RL=9.1, ID=-6A, RGEN=1 | 2 |
| Rise Time | Tr |  | 36 |  | ns | VDD=-10V , VGS=-4.5V , RL=9.1, ID=-6A, RGEN=1 | 2 |
| Turn-Off Delay Time | Td(off) |  | 30 |  | ns | VDD=-10V , VGS=-4.5V , RL=9.1, ID=-6A, RGEN=1 | 2 |
| Fall Time | Tf |  | 10 |  | ns | VDD=-10V , VGS=-4.5V , RL=9.1, ID=-6A, RGEN=1 | 2 |
| Input Capacitance | Ciss |  | 740 |  | pF | VDS=-10V , VGS=0V , f=1MHz | 2 |
| Output Capacitance | Coss |  | 275 |  | pF | VDS=-10V , VGS=0V , f=1MHz | 2 |
| Reverse Transfer Capacitance | Crss |  | 195 |  | pF | VDS=-10V , VGS=0V , f=1MHz | 2 |

## CAD (KiCad official)

- Symbol: `HSM4963`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `hsm4963-etched.step` / `hsm4963-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hsm4963.step` / `hsm4963.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HUASHUO datasheet](docs/hsm4963-datasheet.pdf) (6 pp, sha256 `102ce8f7fd3ee29b`, retrieved 2026-10-22, 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/hsm4963-datasheet.pdf)