# JY2305X

**Shenzhen JingYang** · MOSFETs · SOT-23

JY2305X from Shenzhen JingYang, 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 ±12 V, with a threshold of -0.5 V at ID = 250 uA. |
| 2 | S | passive | Source of the P-channel MOSFET; the body diode runs from drain to source, and continuous drain current is -4.2 A at TA = 25 °C. |
| 3 | D | passive | Drain; drain-source voltage is rated -20 V, with pulsed drain current of -10 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen JingYang |
| 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 Voltage (absolute maximum) | VDS |  |  | -20 | V |  | 1 |
| Gate-Source Voltage (absolute maximum) | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID |  |  | -4.2 | A | TA=25°C | 1 |
| Continuous Drain Current | ID |  |  | -3.4 | A | TA=70°C | 1 |
| Pulsed Drain Current | IDM |  |  | -10 | A | Pulse width limited by maximum junction temperature | 1 |
| Power Dissipation | PD |  |  | 1.38 | W | TA=25°C | 1 |
| Operation Junction and Storage Temperature Range | TJ, Tstg | -55 |  | 150 | °C |  | 1 |
| Maximum Junction-to-Ambient Thermal Resistance | RθJA |  |  | 90 | °C/W | Surface mounted on 1in x 1in FR4 board | 1 |
| Drain-Source Breakdown Voltage | BVDSS | -20 |  |  | V | VGS=0V, ID=-250uA | 2 |
| Gate-Threshold Voltage | VGS(th) |  |  | -0.5 | V | VDS = VGS, ID = 250uA | 2 |
| Gate-Body Leakage | IGSS | -100 |  | 100 | nA | VDS = 0 V, VGS = ±12V | 2 |
| Drain-Source Leakage Current | IDSS |  |  | -1 | uA | VDS = -20 V, VGS = 0 V, TJ = 25°C | 2 |
| Drain-Source Leakage Current | IDSS |  |  | -10 | uA | VDS = -16 V, VGS = 0 V, TJ = 55°C | 2 |
| Drain-Source On-Resistance | RDS(on) |  |  | 53 | mΩ | VGS = -10 V, ID = -4.5 A | 2 |
| Drain-Source On-Resistance | RDS(on) |  |  | 65 | mΩ | VGS = -4.5 V, ID = -4.2 A | 2 |
| Drain-Source On-Resistance | RDS(on) |  |  | 100 | mΩ | VGS = -2.5 V, ID = -2.0 A | 2 |
| Diode Forward On Voltage | VSD |  |  | -1.2 | V | IS = -1.2 A, VGS = 0 V | 2 |

## CAD (KiCad official)

- Symbol: `JY2305X`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `jy2305x-etched.step` / `jy2305x-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jy2305x.step` / `jy2305x.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shenzhen JingYang datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902576353529856) (6 pp, sha256 `225d8f7a8c668d52`, retrieved 2026-10-10, 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/jy2305x-datasheet.pdf)