# SUD45P03-10-E3

**JSMSEMI** · MOSFETs · TO-252

SUD45P03-10-E3 from JSMSEMI, in a TO-252. 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 limited to ±25 V, threshold VGS(th) -1 to -2.5 V at 250 µA. |
| 2 | D | passive | Drain (also the exposed tab); drain-source voltage -30 V, continuous drain current -50 A at TC=25℃. |
| 3 | S | passive | Source; continuous source (diode) current -55 A, body diode forward voltage max -1.2 V at IS=-6A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | JSMSEMI |
| Package | TO-252 |
| 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 | -30 |  |  | V | VGS=0V,ID=250μA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VGS=0V, VDS=-30V | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±25V, VDS=0A | 2 |
| Gate-Source Threshold Voltage | VGS(th) | -1 | -1.6 | -2.5 | V | VGS=VDS, ID=250μA | 2 |
| Drain-Source On Resistance | RDS(ON) |  | 9.5 | 14 | mΩ | VGS=-10V,ID=-20A | 2 |
| Drain-Source On Resistance | RDS(ON) |  | 13 | 21 | mΩ | VGS=-4.5V,ID=-15A | 2 |
| Forward Transconductance | GFS | 10 | 22 |  | S | VDS=-5V,ID=-6A | 2 |
| Source-Drain Diode Forward Voltage | VSD |  |  | -1.2 | V | VGS=0V,IS=-6A | 2 |
| Continuous Source Current | ISD | -55 |  |  | A |  | 3 |
| Drain-Source Voltage | VDS | -30 |  |  | V |  | 1 |
| Gate-Source Voltage | VGS | -25 |  | 25 | V |  | 1 |
| Continuous Drain Current | ID | -50 |  |  | A | TC=25℃ | 1 |
| Continuous Drain Current | ID | -38 |  |  | A | TC=100℃ | 1 |
| Drain Current, Pulsed | IDM (pluse) | -220 |  |  | A | Note 1: repetitive rating, pulse width limited by maximum junction temperature | 1 |
| Power Dissipation | PD |  |  | 75 | W | TC=25℃ | 1 |
| Power Dissipation | PD |  |  | 37.5 | W | TC=100℃ | 1 |
| Operating and Storage Junction Temperature Range | TJ, TSTG | -55 |  | 175 | ℃ |  | 1 |
| Thermal Resistance, Junction to Case | RθJC |  |  | 2 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `SUD45P03-10-E3`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `sud45p03-10-e3-etched.step` / `sud45p03-10-e3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sud45p03-10-e3.step` / `sud45p03-10-e3.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [JSMSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603082326570119168) (6 pp, sha256 `91557196b83274b2`, 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/sud45p03-10-e3-datasheet.pdf)