# RQJ0303PGDQATL-JSM

**JSMSEMI** · MOSFETs · SOT-23

RQJ0303PGDQATL-JSM from JSMSEMI, 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 limited to ±20V, threshold VGS(th) -1.0V min to -2.0V typ at ID=-250uA. |
| 2 | S | passive | Source; continuous source (body diode) current -1.4A max. |
| 3 | D | passive | Drain; drain-source voltage -30V max, continuous drain current -4.3A at TC=25℃ and pulsed -20A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | JSMSEMI |
| 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 |
|---|---|---|---|---|---|---|---|
| Gate Threshold Voltage | VGS(th) | -1 |  | -2 | V | VDS=VGS, ID=-250uA | 2 |
| Drain-Source On-Resistance | RDS(ON) |  | 37 | 50 | mΩ | VGS=-10V, ID=-4.3A | 2 |
| Drain-Source On-Resistance | RDS(ON) |  | 52 | 75 | mΩ | VGS=-4.5V, ID=-3.0A | 2 |
| Gate Leakage Current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | -1 | uA | VDS=-24V, VGS=0 | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | -5 | uA | VDS=-24V, VGS=0, TJ=55℃ | 2 |
| Diode Forward Voltage | VSD |  | -0.7 | -1 | V | IS=-1.0A, VGS=0V | 2 |
| Drain-Source Breakdown Voltage | V(BR)DSS | -30 |  |  | V | VGS=0V, ID=-250Ua | 2 |
| Drain-Source Voltage | VDSS |  |  | -30 | V |  | 1 |
| Gate-Source Voltage | VGSS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID |  |  | -4.3 | A | TC=25℃, VGS=-10V | 1 |
| Continuous Drain Current | ID |  |  | -3.6 | A | TC=70℃ | 1 |
| Pulsed Drain Current | IDM |  |  | -20 | A |  | 1 |
| Continuous Source Current (Diode Conduction) | IS |  |  | -1.4 | A |  | 1 |
| Power Dissipation | PD |  |  | 1.4 | W | TA=25℃ | 1 |
| Power Dissipation | PD |  |  | 0.9 | W | TA=70℃ | 1 |
| Operation Junction Temperature | TJ |  |  | 150 | ℃ |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction to Ambient | RθJA |  | 120 |  | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `RQJ0303PGDQATL-JSM`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `rqj0303pgdqatl-jsm-etched.step` / `rqj0303pgdqatl-jsm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rqj0303pgdqatl-jsm.step` / `rqj0303pgdqatl-jsm.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/8603373768936992768) (5 pp, sha256 `eb5237966a979444`, 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/rqj0303pgdqatl-jsm-datasheet.pdf)