# HSP4048

**HUASHUO** · MOSFETs · TO-220

HSP4048 from HUASHUO, in a TO-220. 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 is rated ±20 V with a threshold of 1.2 to 2.2 V (typ. 1.6 V) at ID=250uA. |
| 2 | D | passive | Drain, also connected to the tab; drain-source voltage is rated 40 V with continuous current of 210 A at TC=25℃ (package limited). |
| 3 | S | passive | Source; continuous body-diode source current is 150 A max, with 1.8 mΩ max RDS(ON) at VGS=10V and ID=20A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HUASHUO |
| Package | TO-220 |
| 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 | 40 |  |  | V | VGS=0V, ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 1.5 | 1.8 | mΩ | VGS=10V, ID=20A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 2 | 2.6 | mΩ | VGS=4.5V, ID=20A | 2 |
| Gate Threshold Voltage | VGS(th) | 1.2 | 1.6 | 2.2 | V | VGS=VDS, ID=250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=32V, VGS=0V, TJ=25℃ | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 5 | uA | VDS=32V, VGS=0V, TJ=55℃ | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| Continuous Source Current | IS |  |  | 150 | A | VG=VD=0V, Force Current | 2 |
| Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS=0V, IS=1A, TJ=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | 40 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current at TC=25℃ | ID |  |  | 210 | A | VGS @ 10V | 1 |
| Continuous Drain Current at TC=100℃ | ID |  |  | 152 | A | VGS @ 10V | 1 |
| Pulsed Drain Current | IDM |  |  | 400 | A |  | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 400 | mJ | VDD=25V, VGS=10V, L=0.5mH, IAS=40A | 1 |
| Avalanche Current | IAS |  |  | 40 | A |  | 1 |
| Total Power Dissipation at TC=25℃ | PD |  |  | 178 | W | 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 |  |  | 50 | ℃/W | Surface mounted on 1 inch FR-4 board, 2OZ copper (note 1) | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 0.7 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `HSP4048`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220 (KiCad packages3D, STEP)
- 3D model files: `hsp4048-etched.step` / `hsp4048-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hsp4048.step` / `hsp4048.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/8757800316970778624) (6 pp, sha256 `75b3c20c652d3974`, 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/hsp4048-datasheet.pdf)