# 2N7002DW K72

**Changjing** · MOSFETs · SC-70-6(SOT-363)

2N7002DW K72 from Changjing, in a SC-70-6(SOT-363). 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 | S2 | passive | Source of MOSFET 2 (N-channel), with body diode to drain D2. |
| 2 | G2 | input | Gate of MOSFET 2; gate-source voltage limit 20 V, threshold 1 V min to 2.5 V max at 250 µA. |
| 3 | D1 | passive | Drain of MOSFET 1; drain-source voltage rated 60 V and drain current 115 mA. |
| 4 | S1 | passive | Source of MOSFET 1 (N-channel), with body diode to drain D1. |
| 5 | G1 | input | Gate of MOSFET 1; gate-source voltage limit 20 V, threshold 1 V min to 2.5 V max at 250 µA. |
| 6 | D2 | passive | Drain of MOSFET 2; drain-source voltage rated 60 V and drain current 115 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SC-70-6(SOT-363) |
| Category | Transistors/Thyristors |
| Pins | 6 |

## 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 | 60 |  |  | V | VGS=0 V, ID=250 µA | 2 |
| Gate-threshold voltage | Vth(GS) | 1 | 1.6 | 2.5 | V | VDS=VGS, ID=250 µA | 2 |
| Gate-body leakage | IGSS | -80 |  | 80 | nA | VDS=0 V, VGS=±20 V | 2 |
| Zero gate voltage drain current | IDSS |  |  | 80 | nA | VDS=60 V, VGS=0 V | 2 |
| Drain-source on-resistance | RDS(on) |  | 1.1 | 5 | Ω | VGS=10 V, ID=500mA | 2 |
| Drain-source on-resistance | RDS(on) |  | 1.2 | 7 | Ω | VGS=5 V, ID=50mA | 2 |
| Forward transconductance | gfs |  | 80 | 500 | ms | VDS=10 V, ID=200mA | 2 |
| Drain-source on-voltage | VDS(on) |  | 0.5 | 3.75 | V | VGS=10V, ID=500mA | 2 |
| Drain-source on-voltage | VDS(on) |  | 0.05 | 0.375 | V | VGS=5V, ID=50mA | 2 |
| Diode forward voltage | VSD |  | 0.55 | 1.2 | V | IS=115mA, VGS=0 V | 2 |
| Drain-source voltage | VDS |  |  | 60 | V | Ta=25℃ | 1 |
| Gate-source voltage | VGS |  |  | 20 | V | Ta=25℃ | 1 |
| Drain current | ID |  |  | 115 | mA | Ta=25℃ | 1 |
| Power dissipation | PD |  |  | 150 | mW | Ta=25℃ | 1 |
| Junction temperature | TJ |  |  | 150 | ℃ | Ta=25℃ | 1 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ | Ta=25℃ | 1 |
| Thermal resistance from junction to ambient | RӨJA |  | 833 |  | ℃/W | Ta=25℃ | 1 |

## CAD (KiCad official)

- Symbol: `2N7002DW K72`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SC-70-6(SOT-363) (KiCad packages3D, STEP)
- 3D model files: `2n7002dw-k72-etched.step` / `2n7002dw-k72-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2n7002dw-k72.step` / `2n7002dw-k72.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/8586175060466151424) (5 pp, sha256 `cc0fea903950519c`, 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/2n7002dw-k72-datasheet.pdf)