# HSS2300A

**HUASHUO** · MOSFETs · SOT-23

HSS2300A from HUASHUO, in a SOT-23. 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 rating is ±12 V, with a threshold of 0.5 V min to 1.2 V max at VDS=VGS, ID=250uA. |
| 2 | S | passive | Source; continuous source (body diode) current is 1.4 A max. |
| 3 | D | passive | Drain; drain-source voltage rating is 20 V, with continuous drain current of 4.0 A at TA=25℃ and 12 A pulsed. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HUASHUO |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| 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 Breakdown Voltage | BVDSS | 20 |  |  | V | VGS=0V, ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 26 | 32 | mΩ | VGS=4.5V, ID=4A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 37 | 45 | mΩ | VGS=2.5V, ID=3A | 2 |
| Gate Threshold Voltage | VGS(th) | 0.5 | 0.8 | 1.2 | V | VGS=VDS, ID=250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=20V, VGS=0V, TJ=25℃ | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±12V, VDS=0V | 2 |
| Diode Forward Voltage | VSD |  | 0.76 | 1.16 | V | VGS=0V, IS=2.5A, TJ=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 4 | A | TA=25℃, VGS @ 4.5V | 1 |
| Continuous Drain Current | ID |  |  | 3 | A | TA=70℃, VGS @ 4.5V | 1 |
| Pulsed Drain Current | IDM |  |  | 12 | A | Pulsed | 1 |
| Continuous source current (diode conduction) | IS |  |  | 1.4 | A | Diode conduction | 1 |
| Total Power Dissipation | PD |  |  | 0.72 | W | TA=25℃ | 1 |
| Total Power Dissipation | PD |  |  | 0.46 | W | TA=70℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-Ambient (steady state) | RθJA |  | 140 | 175 | ℃/W | Steady State | 1 |
| Thermal Resistance Junction-Ambient (t≤5s) | RθJA |  | 120 | 145 | ℃/W | t≦5s | 1 |
| Thermal Resistance Junction-Case | RθJC |  | 62 | 78 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `HSS2300A`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `hss2300a-etched.step` / `hss2300a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hss2300a.step` / `hss2300a.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/8757799351580274688) (6 pp, sha256 `1080e196807be5e1`, retrieved 2026-10-17, 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/hss2300a-datasheet.pdf)