# CJQ13P04

**Changjing** · MOSFETs · SOP-8

CJQ13P04 from Changjing, in a SOP-8. 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 | S | passive | Source of the P-channel MOSFET, tied internally with pins 2 and 3 (equivalent circuit). |
| 2 | S | passive | Source of the P-channel MOSFET, tied internally with pins 1 and 3 (equivalent circuit). |
| 3 | S | passive | Source of the P-channel MOSFET, tied internally with pins 1 and 2 (equivalent circuit). |
| 4 | G | input | Gate of the P-channel MOSFET with threshold VGS(th) of -1.0 V min to -2.5 V max at ID=-250µA and leakage tested at VGS=±20V. |
| 5 | D | passive | Drain of the P-channel MOSFET, tied internally with pins 6, 7 and 8, with V(BR)DSS of -40 V. |
| 6 | D | passive | Drain of the P-channel MOSFET, tied internally with pins 5, 7 and 8, with V(BR)DSS of -40 V. |
| 7 | D | passive | Drain of the P-channel MOSFET, tied internally with pins 5, 6 and 8, with V(BR)DSS of -40 V. |
| 8 | D | passive | Drain of the P-channel MOSFET, tied internally with pins 5, 6 and 7, with V(BR)DSS of -40 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |

## 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 | -40 |  |  | V | VGS=0V, ID=-250µA | 2 |
| Zero gate voltage drain current | IDSS |  |  | -1 | µA | VDS=-40V, VGS=0V | 2 |
| Gate-body leakage current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 2 |
| Gate-threshold voltage | VGS(th) | -1 | -1.5 | -2.5 | V | VDS=VGS, ID=-250µA | 2 |
| Static drain-source on-state resistance | RDS(on) |  |  | 11 | mΩ | VGS=-10V, ID=-10A | 2 |
| Static drain-source on-state resistance | RDS(on) |  |  | 14.5 | mΩ | VGS=-4.5V, ID=-8A | 2 |
| Drain-source diode forward voltage | VSD |  |  | -1.2 | V | VGS=0V, IS=-1A | 2 |
| Continuous drain-source diode forward current | IS |  |  | -13 | A |  | 2 |
| Pulsed drain-source diode forward current | ISM |  |  | -52 | A |  | 2 |
| Single pulsed avalanche energy | EAS |  |  | 200 | mJ | VDD=-20V, VGS=-10V, L=0.5mH, Rg=25Ω, starting TJ=25°C | 1 |
| Thermal resistance, junction to ambient | RθJA |  |  | 89 | ℃/W | Device mounted on 1 in² FR-4 board with 2oz copper, still air, Ta=25℃ | 1 |

## CAD (KiCad official)

- Symbol: `CJQ13P04`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `cjq13p04-etched.step` / `cjq13p04-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cjq13p04.step` / `cjq13p04.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Changjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834523161890816) (5 pp, sha256 `71deb09e143b3229`, retrieved 2026-10-09, 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/cjq13p04-datasheet.pdf)