# YFW100N03AD

**YFW** · MOSFETs · TO-252

YFW100N03AD from YFW, in a TO-252. 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; drive with VGS up to ±20 V, threshold 1 V to 2.5 V at 250 µA, and the datasheet states operation with gate voltages as low as 4.5 V. |
| 2 | D | passive | Drain (center lead and metal tab); VDS 30 V max, continuous drain current 100 A, pulsed 300 A. |
| 3 | S | passive | Source; body-diode continuous current 100 A, pulsed 300 A, forward voltage 1.2 V max at IS=1 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | TO-252 |
| Category | Triode/MOS Tube/Transistor |
| 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 | BVDSS | 30 |  |  | V | VGS = 0 V, ID = 250 µA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | µA | VDS = 30 V, VGS = 0 V | 2 |
| Gate Leakage Current | IGSS | -100 |  | 100 | nA | VGS = ± 20 V, VDS = 0 V | 2 |
| Gate-Source Threshold Voltage | VGS(th) | 1 |  | 2.5 | V | VDS = VGS, ID = 250 µA | 2 |
| Drain-Source On-State Resistance | RDS(on) |  | 3.4 | 5.1 | mΩ | VGS=10V, ID=30A | 2 |
| Forward Transconductance | gfs | 20 |  |  | S | VDS = 5 V, ID = 10 A | 2 |
| Maximum Body-Diode Continuous Current | IS |  |  | 100 | A |  | 2 |
| Maximum Body-Diode Pulsed Current | ISM |  |  | 300 | A | Note2: Pulse test: 300 µs pulse width, 2 % duty cycle | 2 |
| Drain-Source Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS=0V, IS=1A, TJ=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | 30 | V |  | 2 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 2 |
| Continue Drain Current | ID |  |  | 100 | A | Tc=25°C | 2 |
| Pulsed Drain Current | IDM |  |  | 300 | A | Note1: Pulse test: 300 µs pulse width, 2 % duty cycle | 2 |
| Power Dissipation | PD |  |  | 85 | W | Tc=25°C | 2 |
| Single Pulse Avalanche Energy | EAS |  |  | 52 | mJ | Note1 | 2 |
| Operating Temperature Range | TJ |  |  | 150 | °C |  | 2 |
| Storage Temperature Range | TSTG | -55 |  | 175 | °C |  | 2 |
| Thermal Resistance, Junction to Case | RθJC |  |  | 2.1 | °C/W |  | 2 |
| Thermal Resistance, Junction to Ambient | RθJA |  |  | 62 | °C/W |  | 2 |

## CAD (KiCad official)

- Symbol: `YFW100N03AD`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `yfw100n03ad-etched.step` / `yfw100n03ad-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `yfw100n03ad.step` / `yfw100n03ad.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [YFW datasheet](docs/yfw100n03ad-datasheet.pdf) (4 pp, sha256 `1a3a43c24cadf371`, retrieved 2026-11-05, 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/yfw100n03ad-datasheet.pdf)