# PJM2305PSA

**PJSEMI** · MOSFETs · SOT-23

PJM2305PSA from PJSEMI, 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 | Gate | input | Gate terminal of the P-channel MOSFET; gate-source voltage VGS is rated ±8 V. |
| 2 | Source | passive | Source terminal of the P-channel MOSFET; continuous source-drain diode current is rated 1.4 A. |
| 3 | Drain | passive | Drain terminal of the P-channel MOSFET; drain-source voltage -VDS is rated 12 V and continuous drain current -ID is rated 4.1 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PJSEMI |
| 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 | -V(BR)DSS | 12 |  |  | V | VGS = 0V, ID = -250µA | 2 |
| Drain to source leakage current | -IDSS |  |  | 1 | µA | VDS = -12V, VGS = 0V | 2 |
| Gate-body leakage current | IGSS | -100 |  | 100 | nA | VGS = ±8V, VDS = 0V | 2 |
| Gate threshold voltage | -VGS(th) |  | 0.5 | 0.9 | V | VDS = VGS, ID = -250µA | 2 |
| Drain-source on-resistance | RDS(on) |  | 45 | 60 | mΩ | VGS = -4.5V, ID = -3.5A; pulse test | 2 |
| Drain-source on-resistance | RDS(on) |  | 55 | 70 | mΩ | VGS = -2.5V, ID = -3A; pulse test | 2 |
| Drain-source on-resistance | RDS(on) |  | 75 | 90 | mΩ | VGS = -1.8V, ID = -2.0A; pulse test | 2 |
| Total gate charge | Qg |  | 4.5 | 9 | nC | VDD = -4V, VGS = -4.5V, ID = -4.1A | 2 |
| Diode forward voltage | -VDS |  |  | 1.2 | V | VGS = 0V, IS = -3.3A | 2 |
| Continuous source-drain diode current | -IS |  |  | 1.4 | A |  | 2 |
| Drain-source voltage | -VDS |  |  | 12 | V | Ta = 25℃ unless otherwise specified | 1 |
| Gate-source voltage | VGS | -8 |  | 8 | V | Ta = 25℃ unless otherwise specified | 1 |
| Continuous drain current | -ID |  |  | 4.1 | A | Ta = 25℃ unless otherwise specified | 1 |
| Power dissipation | PD |  |  | 1.4 | W | Ta = 25℃ unless otherwise specified | 1 |
| Junction and storage temperature range | TJ, TSTG | -55 |  | 150 | °C | Ta = 25℃ unless otherwise specified | 1 |
| Maximum junction-to-ambient thermal resistance | RθJA |  | 89 |  | °C/W | Note 1 (footnote not reproduced) | 1 |

## CAD (KiCad official)

- Symbol: `PJM2305PSA`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `pjm2305psa-etched.step` / `pjm2305psa-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pjm2305psa.step` / `pjm2305psa.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PJSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884474331336704) (6 pp, sha256 `8733617d62637905`, retrieved 2026-10-20, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/pjm2305psa-datasheet.pdf)